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Detlef R Knappe
Works (237)
2025 article
Release of Per- and Polyfluoroalkyl Substances from Municipal and Construction and Demolition Waste Landfills and Wastewater Treatment Plants in North Carolina
Thelusmond, J.-R., Sardarmehni, M., Destefano, N., Weed, R., Knappe, D. R. U., & Barlaz, M. A. (2025, March 6). ACS ES&T WATER.
2025 journal article
Removal of Per- and Polyfluoroalkyl Substances (PFAS) in fixed bed anion exchange reactors: Factors determining PFAS uptake capacity and models predicting PFAS breakthrough
WATER RESEARCH, 268.
2024 journal article
Adapting to PFAS contamination of private drinking water wells near a PFAS production facility in the US Atlantic Coastal Plain of North Carolina
Water Environment Research, 96(8).
open access via doi.org (publisher)2024 conference paper
Atmospheric Releases of PFAS From Wastewater Treatment Plants and Implications for Worker Exposure
4th National PFAS Conference. Presented at the 4th National PFAS Conference, Ann Arbor, MI.
2024 conference paper
Behavior of per- and polyfluoroalkyl substances (PFAS) during the thermal reactivation of spent granular activated carbon (GAC
AWWA ACE24. Presented at the AWWA ACE24, Anaheim, CA.
2024 journal article
Commercial compost amendments inhibit the bioavailability and plant uptake of per- and polyfluoroalkyl substances in soil-porewater-lettuce systems
ENVIRONMENT INTERNATIONAL, 186.
2024 journal article
Evaluating Solid Phase Adsorption Toxin Tracking (SPATT) for passive monitoring of per- and polyfluoroalkyl substances (PFAS) with Ion Mobility Spectrometry-Mass Spectrometry (IMS-MS)
SCIENCE OF THE TOTAL ENVIRONMENT, 947.
2024 conference paper
Fluorinated side-chain polymers may be important PFAS precursors in sediments of Jordan Lake, NC
2024 ACS Fall National Meeting. Presented at the 2024 ACS Fall National Meeting, Denver, CO.
2024 article
Forecasting and Hindcasting PFAS Concentrations in Groundwater Discharging to Streams near a PFAS Production Facility
Jensen, C. R., Genereux, D. P., Solomon, D. K., Knappe, D. R. U., & Gilmore, T. E. (2024, September 25). ENVIRONMENTAL SCIENCE & TECHNOLOGY, Vol. 9.
2024 report
Investigation of Treatment Alternatives for Short-Chain Poly- and Perfluoroalkyl Substances
Denver, Colorado: Water Research Foundation.
2024 conference paper
Is treating the water enough?
4th National PFAS Conference. Presented at the 4th National PFAS Conference, Ann Arbor, MI.
2024 journal article
Lithium-ion battery components are at the nexus of sustainable energy and environmental release of per- and polyfluoroalkyl substances
NATURE COMMUNICATIONS, 15(1).
2024 journal article
Machine Learning Models to Predict Early Breakthrough of Recalcitrant Organic Micropollutants in Granular Activated Carbon Adsorbers
Environmental Science & Technology, 9.
Contributors: Y. Koyama n, M. Fasaee n, E. Berglund n & D. Knappe n
2024 article
Measurement of Hydro-EVE and 6:2 FTS in Blood from Wilmington, North Carolina, Residents, 2017-2018
Kotlarz, N., McCord, J., Wiecha, N., Weed, R. A., Cuffney, M., Enders, J. R., … Hoppin, J. A. (2024, February). ENVIRONMENTAL HEALTH PERSPECTIVES, Vol. 132.
2024 report
Occurrence of PFAS in US Wastewater Treatment Plants
Denver, Colorado: Water Research Foundation.
2024 conference paper
PFAS concentration and accumulation history in Jordan Lake sediments
2024 ACS Spring National Meeting. Presented at the 2024 ACS Spring National Meeting, New Orleans, LA.
2024 conference paper
Per- and Polyfluoroalkyl Substances Contamination Introduced by Clean Energy: Cleanup by Granular Activated Carbon and/or Ion Exchange Resin
2024 ACS Spring National Meeting. Presented at the 2024 ACS Spring National Meeting, New Orleans, LA.
2024 journal article
Per- and polyfluoroalkyl ether acids in well water and blood serum from private well users residing by a fluorochemical facility near Fayetteville, North Carolina
Journal of Exposure Science & Environmental Epidemiology, 34(1), 97–107.
2024 journal article
Predicting per- and polyfluoroalkyl substances removal in pilot-scale granular activated carbon adsorbers from rapid small-scale column tests
AWWA WATER SCIENCE, 6(2).
2024 conference paper
Prediction of PFAS Breakthrough in Full-Scale Ion Exchange Processes Using RSSCT Data
AWWA ACE24. Presented at the AWWA ACE24, Anaheim, CA.
2024 article
Reanalysis of PFO5DoA Levels in Blood from Wilmington, North Carolina, Residents, 2017-2018
Kotlarz, N., McCord, J., Wiecha, N., Weed, R. A., Cuffney, M., Enders, J. R., … Hoppin, J. A. (2024, February). ENVIRONMENTAL HEALTH PERSPECTIVES, Vol. 132.
2024 journal article
Removal of Per- and Polyfluoroalkyl substances by anion exchange resins: Scale-up of rapid small-scale column test data
WATER RESEARCH, 249.
2024 article
Residential Garden Produce Harvested Near a Fluorochemical Manufacturer in North Carolina Can Be An Important Fluoroether Exposure Pathway
Meng, P., Sheppard, N., Joseph, S., Duckworth, O. W., Higgins, C. P., & Knappe, D. R. U. (2024, November 20). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, Vol. 11.
2023 conference paper
Atmospheric Releases of PFAS From Wastewater Treatment Plants and Implications for Worker Exposure
SETAC North America 44th Annual Meeting. Presented at the SETAC North America 44th Annual Meeting, Louisville, KY.
2023 conference paper
Behavior of per- and polyfluoroalkyl substances (PFAS) during the thermal reactivation of spent granular activated carbon (GAC
NC One Water Annual Conference. Presented at the NC One Water Annual Conference, Raleigh, NC.
2023 conference paper
Characterizing community exposure to emerging, drinking water-associated perfluoroalkyl ether acids
2023 AEESP Research & Education Conference. Presented at the 2023 AEESP Research & Education Conference, Boston, MA.
2023 conference paper
Concentration and accumulation history of PFAS in Jordan Lake Sediments"
2023 AEESP Research & Education Conference. Presented at the 2023 AEESP Research & Education Conference, Boston, MA.
2023 journal article
Degradation of imidacloprid by Phanerodontia chrysosporium on wood chips for stormwater treatment
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY, 9(12), 3333–3343.
2023 conference paper
Effect of inorganic anions on PFAS removal by granular activated carbon and implications for PFAS adsorption mechanisms
2023 AEESP Research & Education Conference. Presented at the 2023 AEESP Research & Education Conference, Boston, MA.
2023 conference paper
Effects of Background Water Quality and Pretreatment Processes On GAC Use Rates for PFAS Removal
AWWA Symposium Contaminants of Concern. Presented at the AWWA Symposium Contaminants of Concern.
2023 journal article
Estimation of the Half-Lives of Recently Detected Per- and Polyfluorinated Alkyl Ethers in an Exposed Community
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 57(41), 15348–15355.
2023 conference paper
Examining the Mechanisms of Phosphate Capture by Metal Oxides
2023 AEESP Research & Education Conference. Presented at the 2023 AEESP Research & Education Conference, Boston, MA.
2023 journal article
Factors associated with per- and polyfluoroalkyl substances (PFAS) serum concentrations in residents of New Hanover County, North Carolina: The GenX exposure study
ENVIRONMENTAL RESEARCH, 237.
2023 conference paper
Granular activated carbon adsorption and anion exchange: Scale-up of rapid small-scale column test data and drivers for sorbent use rates
FLUOROS 2023. Presented at the FLUOROS 2023, Idstein, Germany.
2023 conference paper
Graphene Oxide (GO)-based 2D Sorbent Materials for the Treatment of Per- And Polyfluoroalkyl Substances and Phosphate
2023 AEESP Research & Education Conference. Presented at the 2023 AEESP Research & Education Conference, Boston, MA.
2023 journal article
Improved Darcian streambed measurements to quantify flux and mass discharge of volatile organic compounds from a contaminated aquifer to an urban stream
JOURNAL OF CONTAMINANT HYDROLOGY, 253, 104124.
2023 journal article
Interlaboratory Comparison of Extractable Organofluorine Measurements in Groundwater and Eel (<i>Anguilla rostrata</i>): Recommendations for Methods Standardization
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 57(48), 20159–20168.
2023 conference paper
Is treating the water enough: Novel PFEAs in homegrown produce from a PFAS-impacted community in North Carolina, USA
FLUOROS 2023. Presented at the FLUOROS 2023, Idstein, Germany.
2023 conference paper
Kinetics and mechanisms of per-and polyfluoroalkyl substance (PFAS) uptake by ion exchange resins
2023 AEESP Research & Education Conference. Presented at the 2023 AEESP Research & Education Conference, Boston, MA.
2023 conference paper
Mechanisms of PFAS Sorption to Activated Carbon at Sorption Equilibrium
SRP Annual Meeting. Presented at the SRP Annual Meeting, Albuquerque, NM.
2023 conference paper
Mechanisms of PFAS Sorption to Activated Carbon at Sorption Equilibrium
2023 AEESP Research & Education Conference. Presented at the 2023 AEESP Research & Education Conference, Boston, MA.
2023 conference paper
Occurrence of and Treatment for Short-Chain and Fluorinated Replacement Compounds
AWWA Symposium Contaminants of Concern. Presented at the AWWA Symposium Contaminants of Concern.
2023 article
Oxidation of Per- and Polyfluoroalkyl Ether Acids and Other Per- and Polyfluoroalkyl Substances by Sulfate and Hydroxyl Radicals: Kinetic Insights from Experiments and Models
Zhang, C., Tang, T., & Knappe, D. R. U. (2023, May 24). ENVIRONMENTAL SCIENCE & TECHNOLOGY, Vol. 5.
2023 journal article
Pilot-scale biofiltration of 1,4-dioxane at drinking water-relevant concentrations
WATER RESEARCH, 231.
2023 article
Predicting Concentration- and Ionic-Strength-Dependent Air-Water Interfacial Partitioning Parameters of PFASs Using Quantitative Structure-Property Relationships (QSPRs)
Stults, J. F., Choi, Y. J., Rockwell, C., Schaefer, C. E., Nguyen, D. D., Knappe, D. R. U., … Higgins, C. P. (2023, March 24). ENVIRONMENTAL SCIENCE & TECHNOLOGY, Vol. 3.
2023 journal article
Removal and destruction of perfluoroalkyl ether carboxylic acids (PFECAs) in an anion exchange resin and electrochemical oxidation treatment train
WATER RESEARCH, 230.
2023 conference paper
Removal of Per- And Polyfluoroalkyl Substances (PFAS) By Ion Exchange Resins: Factors Determining Resin Use Rates
AWWA Symposium Contaminants of Concern. Presented at the AWWA Symposium Contaminants of Concern.
2023 journal article
Source apportionment of serum PFASs in two highly exposed communities
SCIENCE OF THE TOTAL ENVIRONMENT, 855.
2023 article
The dirty side of clean energy: Lithium ion batteries as a source of PFAS in the environment
Guelfo, J., Ferguson, P., Beck, J., Chernick, M., Doria-Manzur, A., Faught, P., … Shojaei, M. (2023, August 1).
2023 conference paper
Thermal Reactivation of Spent Granular Activated Carbon (GAC
Containing Per- and Polyfluoroalkyl Substances (PFAS)". 2023 AEESP Research & Education Conference. Presented at the Containing Per- and Polyfluoroalkyl Substances (PFAS)". 2023 AEESP Research & Education Conference, Boston, MA.
2023 conference paper
Thermal Reactivation of Spent Granular Activated Carbon (GAC) from PFAS Remediation Sites
SERDP-ESTCP Symposium. Presented at the SERDP-ESTCP Symposium, Arlington, VA.
2022 conference paper
Applying nontargeted analyses to identify per- and polyfluoroalkyl substances, pesticides, and pesticide transformation products in North Carolina water
NonTarget 2022 – SETAC Focused Topic Meeting. Presented at the NonTarget 2022 – SETAC Focused Topic Meeting, Durham, NC.
2022 conference paper
Applying nontargeted analyses to identify per- and polyfluoroalkyl substances, pesticides, and pesticide transformation products in North Carolina water
AEESP Research and Education Conference. Presented at the AEESP Research and Education Conference, St. Louis, MO.
2022 conference paper
Behavior of per- and polyfluoroalkyl ether acids (PFEAs) in sulfate and hydroxyl radical-based advanced oxidation processes (AOPs
ACS Spring 2022, Online. Presented at the ACS Spring 2022, Online.
2022 conference paper
Compare and combine: PFAS removal by granular activated carbon adsorption and anion exchange
NC One Water Annual Conference. Presented at the NC One Water Annual Conference, Charlotte, NC.
2022 journal article
Correction to “Per- and Polyfluoroalkyl Substance (PFAS) Transport from Groundwater to Streams near a PFAS Manufacturing Facility in North Carolina, USA”
Correction to “Per- and Polyfluoroalkyl Substance (PFAS) Transport from Groundwater to Streams near a PFAS Manufacturing Facility in North Carolina, USA.” Environmental Science & Technology, 56(12), 9145–9145.
2022 conference paper
Crop Uptake and Bioaccumulation of PFAS from Irrigation Waters
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 conference paper
Degradation of Per- and Polyfluoroalkyl Ether Acids by Sulfate and Hydroxyl Radical-Based Advanced Oxidation Processes
AEESP Research and Education Conference. Presented at the AEESP Research and Education Conference, St. Louis, MO.
2022 journal article
Diffusion of benzene and tetrachloroethylene through saturated cement paste
Construction and Building Materials, 329, 127196.
2022 journal article
Drinking Water-Associated PFAS and Fluoroethers and Lipid Outcomes in the GenX Exposure Study
ENVIRONMENTAL HEALTH PERSPECTIVES, 130(9).
2022 conference paper
Effectiveness of municipal-scale and home filters for PFAS removal
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 conference paper
Evaluation and Life Cycle Comparison of Ex-Situ Treatment Technologies for PFASs in Groundwater
SERDP-ESTCP PFAS Project Meeting. Presented at the SERDP-ESTCP PFAS Project Meeting, Long Beach, CA.
2022 conference paper
Exposure to novel perfluoroalkyl ether acids and legacy PFAS in the Cape Fear River Basin of North Carolina
35th Anniversary SRP Annual Meeting. Presented at the 35th Anniversary SRP Annual Meeting, Raleigh, NC.
2022 journal article
Extraction and Matrix Cleanup Method for Analyzing Novel Per- and Polyfluoroalkyl Ether Acids and Other Per- and Polyfluoroalkyl Substances in Fruits and Vegetables
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY, 70(16), 4792–4804.
2022 conference paper
Factors Determining GAC Use Rates for PFAS Removal
AWWA ACE22. Presented at the AWWA ACE22, San Antonio, TX.
2022 journal article
Granular activated carbon adsorption of perfluoroalkyl acids from ground and surface water
AWWA Water Science.
2022 conference paper
Graphene Oxide (GO)-based 2D Sorbent Materials for the Treatment of Legacy and Emerging Perfluoroalkyl Substances
35th Anniversary SRP Annual Meeting. Presented at the 35th Anniversary SRP Annual Meeting, Raleigh, NC.
2022 journal article
Impact of ozone-biologically active filtration on the breakthrough of Perfluoroalkyl acids during granular activated carbon treatment of municipal wastewater effluent
WATER RESEARCH, 223.
2022 conference paper
Investigation of Treatment Alternatives for Short-Chain PFAS – an Executive Summary
AWWA Water Quality Technology Conference. Presented at the AWWA Water Quality Technology Conference, Cincinnati, OH.
2022 conference paper
Kinetics of Per- and Polyfluoroalkyl Substances (PFAS) Adsorption to Granular Activated Carbon
35th Anniversary SRP Annual Meeting. Presented at the 35th Anniversary SRP Annual Meeting, Raleigh, NC.
2022 conference paper
Machine Learning Models to Predict PFAS Removal by Granular Activated Carbon
35th Anniversary SRP Annual Meeting. Presented at the 35th Anniversary SRP Annual Meeting, Raleigh, NC.
2022 conference paper
Machine Learning Models to Predict PFAS Removal by Granular Activated Carbon
AWWA Water Quality Technology Conference. Presented at the AWWA Water Quality Technology Conference, Cincinnati, OH.
2022 conference paper
Mechanisms of PFAS Sorption to Activated Carbon at Sorption Equilibrium
35th Anniversary SRP Annual Meeting. Presented at the 35th Anniversary SRP Annual Meeting, Raleigh, NC.
2022 journal article
Mechanisms of orthophosphate removal from water by lanthanum carbonate and other lanthanum-containing materials
Science of The Total Environment, 820, 153153.
Contributors: Y. Zhi n, A. Paterson n, D. Call n , J. Jones n , D. Hesterberg n , O. Duckworth n , E. Poitras *, D. Knappe n
2022 conference paper
Novel Perfluoroalkyl Ether Acids in Homegrown Produce from a PFAS-Impacted Community in North Carolina
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 article
PFAS Challenges and Novel Research A Conversation With the Editorial Board of the AWWA Water Science Topical Collection on PFAS Analytics and Treatment
Crimi, M., Speth, T. F., Chowdhury, Z. K., Dickenson, E. R. V., Knappe, D. R. U., & Liu, J. (2022, September). JOURNAL AWWA, Vol. 114, pp. 13–22.
2022 journal article
PFAS are forever? The state of the science and research needs for analyzing and treating PFAS‐laden water
AWWA Water Science.
2022 conference paper
PFAS removal by GAC: Impacts of water matrices and treatment goals
AWWA Water Quality Technology Conference. Presented at the AWWA Water Quality Technology Conference, Cincinnati, OH.
2022 conference paper
PFAS removal by granular activated carbon: RSSCT data scale-up and GAC use rate drivers
AEESP Research and Education Conference. Presented at the AEESP Research and Education Conference, St. Louis, MO.
2022 conference paper
PFAS removal by granular activated carbon: Scale-up of bench-scale data and GAC use rate drivers
ACS Spring 2022, Online. Presented at the ACS Spring 2022, Online.
2022 conference paper
PFASs in well water and blood serum from private well owners residing near a fluorochemical manufacturing facility in North Carolina
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 journal article
Per- and polyfluoroalkyl substances (PFAS) in river discharge: Modeling loads upstream and downstream of a PFAS manufacturing plant in the Cape Fear watershed, North Carolina
SCIENCE OF THE TOTAL ENVIRONMENT, 831.
2022 conference paper
Per- and polyfluoroalkyl substances (PFAS) sampling and analysis for characterization of sewer systems in Kentucky
35th Anniversary SRP Annual Meeting. Presented at the 35th Anniversary SRP Annual Meeting, Raleigh, NC.
2022 review
Per- and polyfluoroalkyl substances in the environment
[Review of ]. SCIENCE, 375(6580), 512-+.
2022 conference paper
Prediction of GenX concentration on silicone wristbands as method to measure PFAS in a contaminated groundwater community
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 conference paper
Predictors of per- and polyfluoroalkyl substances (PFAS) serum concentrations in residents of Wilmington North Carolina
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 conference paper
Removal of per- and polyfluoroalkyl substances (PFAS) by anion exchange resins
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 conference paper
Removal of per- and polyfluoroalkyl substances (PFAS) by anion exchange resins: rapid small-scale column test (RSSCT) scale-up, effects of PFAS structure and water matrix
AWWA ACE22. Presented at the AWWA ACE22, San Antonio, TX.
2022 conference paper
Removal of per-and polyfluoroalkyl substances (PFAS) by anion exchange resins: Effects of PFAS structure and water matrix
ACS Spring 2022 Online. Online, presented at the ACS Spring 2022 Online.
2022 conference paper
Removal of per-and polyfluoroalkyl substances (PFAS) by ion exchange resins: Effects of PFAS, water matrix, and resin properties
AEESP Research and Education Conference, Presented at the AEESP Research and Education Conference, St. Louis, MO.
2022 journal article
Sorption of perfluoroalkyl ether carboxylic acids (PFECAs) at the air-water interface in porous media: Modeling perspectives
Journal of Hazardous Materials Advances, 6, 100062.
2022 journal article
Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis br
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 56(10), 6103–6112.
2022 conference paper
The North Carolina Story: Scientific Discovery and Community Response
3rd National PFAS Meeting. Presented at the 3rd National PFAS Meeting, Wilmington, NC.
2022 conference paper
Thermal Reactivation of Spent GAC from PFAS Remediation Sites
SERDP-ESTCP PFAS Project Meeting. Presented at the SERDP-ESTCP PFAS Project Meeting, Long Beach, CA.
2022 journal article
Tools for Understanding and Predicting the Affinity of Per- and Polyfluoroalkyl Substances for Anion-Exchange Sorbents br
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 56(22), 15470–15477.
2021 conference paper
An Extraction and Matrix Clean-up Method for Analyzing Novel Perfluoroalkyl Ether Acids in Ten Kinds of Fruits and Vegetables
FLUOROS Global. Presented at the FLUOROS Global Online.
2021 conference paper
Application of novel nontargeted analytical techniques to identify pesticides, pesticide degradates, and per- and polyfluoroalkyl substances (PFAS) in North Carolina water
ACS Fall 2021. Presented at the ACS Fall 2021 Online.
2021 conference paper
Assessment and Reporting of North Carolina Private Well Water Quality
WRRI Annual Conference, Online. Presented at the WRRI Annual Conference, Online.
2021 journal article
Biochar Water Treatment for Control of Organic Micropollutants with Ultraviolet A Surrogate Monitoring
ENVIRONMENTAL ENGINEERING SCIENCE, 38(5), 298–309.
2021 conference paper
Composition and river export of per- and polyfluoroalkyl substances (PFAS) upstream and downstream of a manufacturing plant in the Cape Fear River basin (North Carolina, USA
Emerging Contaminants in the Environment Conference, Online. Presented at the Emerging Contaminants in the Environment Conference, Online, Urbana, IL.
2021 conference paper
Comprehensive Assessment of PFAS Occurrence in North Carolina’s Public Water Supplies
AWWA Virtual Summit: Sustainable Water, PFAS, Waterborne Pathogens. Online, 10–11,
2021 conference paper
Effects of dissolved organic matter and solution pH on orthophosphate removal by lanthanum-modified bentonite
ACS Fall 2021. Presented at the ACS Fall 2021 Online.
2021 review
From Pesticides to Per- and Polyfluoroalkyl Substances: An Evaluation of Recent Targeted and Untargeted Mass Spectrometry Methods for Xenobiotics
[Review of ]. ANALYTICAL CHEMISTRY, 93(1), 641–656.
2021 journal article
Influence of natural organic matter and pH on phosphate removal by and filterable lanthanum release from lanthanum-modified bentonite
Water Research, 202, 117399.
Contributors: Y. Zhi n, D. Call n , K. Grieger n , O. Duckworth n , J. Jones n & D. Knappe n
2021 journal article
Longitudinal assessment of point‐of‐use carbon filters for removal of per‐ and polyfluoroalkyl substances from private well water
AWWA Water Science, 3(6).
2021 conference paper
Machine learning models to predict early breakthrough of recalcitrant organic micropollutants in granular activated carbon treatment of water
NCAWWA Spring Symposium. Presented at the NCAWWA Spring Symposium.
2021 conference paper
Novel Perfluoroalkyl Ether Acids in Homegrown Blueberries and Blackberries from a PFAS-Impacted Community in North Carolina
SETAC North America 42nd Annual Meeting, Online. Presented at the SETAC North America 42nd Annual Meeting, Online.
2021 conference paper
PFAS removal by GAC: What are drivers for GAC use rate?
AWWA WQTC. Presented at the AWWA WQTC, Tacoma, WA.
2021 journal article
Per- and Polyfluoroalkyl Substance (PFAS) Transport from Groundwater to Streams near a PFAS Manufacturing Facility in North Carolina, USA
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 55(9), 5848–5856.
2021 journal article
Per- and polyfluoroalkyl substances (PFAS)—contaminants of emerging concern
Analytical and Bioanalytical Chemistry, 414(3), 1187–1188.
2021 conference paper
Rapid small-scale column tests to predict field-scale removal of per- and polyfluoroalkyl substances by anion exchange resins
FLUOROS Global. Presented at the FLUOROS Global Online.
2021 journal article
Response to “Comment on Scientific Basis for Managing PFAS as a Chemical Class”
Response to “Comment on Scientific Basis for Managing PFAS as a Chemical Class.” Environmental Science & Technology Letters, 8(2), 195–197.
2021 conference paper
Scale-Up of Rapid Small-Scale Column Test Data to Predict PFAS Removal in Field-Scale Granular Activated Carbon Adsorbers
AWWA Virtual Summit: Sustainable Water, PFAS, Waterborne Pathogens. Online. Presented at the AWWA Virtual Summit: Sustainable Water, PFAS, Waterborne Pathogens. Online.
2021 conference paper
Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis
SETAC North America 42nd Annual Meeting, Online. Presented at the SETAC North America 42nd Annual Meeting, Online.
2021 conference paper
Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis
FLUOROS Global 2021, Online. Presented at the FLUOROS Global 2021, Online.
2020 journal article
Assessing the Effectiveness of Point-of-Use Residential Drinking Water Filters for Perfluoroalkyl Substances (PFASs)
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, 7(3), 178–184.
2020 journal article
Assessment of the breakthrough of micropollutants in full-scale granular activated carbon adsorbers by rapid small-scale column tests and a novel pilot-scale sampling approach
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY, 6(10), 2742–2751.
2020 journal article
Degradation Model for the Tensile Strength of PVC and Rubber Gasket Materials Exposed to Benzene and PCE-Saturated Aqueous Solutions
TRANSPORTATION RESEARCH RECORD, 2674(2), 274–283.
2020 journal article
Elevated levels of per- and polyfluoroalkyl substances in Cape Fear River Striped Bass (Morone saxatilis) are associated with biomarkers of altered immune and liver function
ENVIRONMENT INTERNATIONAL, 136.
Contributors: T. Guillette n, J. McCord*, M. Guillette n, M. Polera n, K. Rachels*, C. Morgeson*, N. Kotlarz n , D. Knappe n
2020 journal article
Emerging lanthanum (III)-containing materials for phosphate removal from water: A review towards future developments
Environment International, 145, 106115.
Contributors: Y. Zhi n, C. Zhang n, R. Hjorth *, A. Baun *, O. Duckworth n , D. Call n , D. Knappe n, J. Jones n , K. Grieger n
2020 journal article
Enabling Organic Micropollutant Removal from Water by Full-Scale Biochar and Activated Carbon Adsorbers Using Predictions from Bench-Scale Column Data
ENVIRONMENTAL ENGINEERING SCIENCE, 37(7), 459–471.
2020 journal article
GAC to BAC: Does it make chloraminated drinking water safer?
WATER RESEARCH, 172.
2020 journal article
Measurement of Novel, Drinking Water-Associated PFAS in Blood from Adults and Children in Wilmington, North Carolina
ENVIRONMENTAL HEALTH PERSPECTIVES, 128(7).
2020 journal article
Pilot scale removal of per- and polyfluoroalkyl substances and precursors from AFFF-impacted groundwater by granular activated carbon
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY, 6(4), 1083–1094.
2020 journal article
Rapid Characterization of Per- and Polyfluoroalkyl Substances (PFAS) by Ion Mobility Spectrometry-Mass Spectrometry (IMS-MS)
Analytical Chemistry, 92(6), 4427–4435.
2020 journal article
Scientific Basis for Managing PFAS as a Chemical Class
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, 7(8), 532–543.
2020 journal article
Treating water containing elevated bromide and iodide levels with granular activated carbon and free chlorine: impacts on disinfection byproduct formation and calculated toxicity
ENVIRONMENTAL SCIENCE-WATER RESEARCH & TECHNOLOGY, 6(12), 3460–3475.
2019 journal article
1,4-Dioxane in drinking water: emerging for 40 years and still unregulated
Current Opinion in Environmental Science & Health, 7, 117–125.
2019 journal article
Does Granular Activated Carbon with Chlorination Produce Safer Drinking Water? From Disinfection Byproducts and Total Organic Halogen to Calculated Toxicity
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 53(10), 5987–5999.
2019 journal article
Does Granular Activated Carbon with Chlorination Produce Safer Drinking Water? From Disinfection Byproducts and Total Organic Halogen to Calculated Toxicity
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 53(10), 5987–5999.
2019 journal article
Effects of Co-occurring Species Present in Swine Lagoons on Adsorption of Copper on Eggshell
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH, 13(4), 613–622.
2019 journal article
Fate of Per- and Polyfluoroalkyl Ether Acids in the Total Oxidizable Precursor Assay and Implications for the Analysis of Impacted Water
Environmental Science & Technology Letters, 6(11), 662–668.
2019 journal article
High Temperature Co-pyrolysis Thermal Air Activation Enhances Biochar Adsorption of Herbicides from Surface Water
ENVIRONMENTAL ENGINEERING SCIENCE, 36(6), 710–723.
2018 journal article
Evaluation of Waste Eggshells for Adsorption of Copper from Synthetic and Swine Wastewater
Transactions of the ASABE, 61(3), 967–976.
2018 report
Evaluation of cVOC Removal Efficiencies by Various Technologies
(Executive Summary No. 4492). Denver, Colorado: Water Research Foundation.
2018 journal article
Recently Detected Drinking Water Contaminants: GenX and Other Per- and Polyfluoroalkyl Ether Acids
Journal - American Water Works Association, 110(7), 13–28.
Contributors: Z. Hopkins n, M. Sun *, J. DeWitt * & D. Knappe n
2017 journal article
Prediction of Full-Scale GAC Adsorption of Organic Micropollutants
ENVIRONMENTAL ENGINEERING SCIENCE, 34(7), 496–507.
Contributors: A. Kennedy *, A. Reinert*, D. Knappe n & R. Summers *
2017 journal article
Study on adsorption process and mechanism of p-nitroaniline on bamboo charcoal
Chinese Journal of Environmental Engineering, 11(1), 251–259.
Contributors: G. Wu, G. Wu, Q. Zhang & D. Knappe
2016 journal article
Determination of 1,4-Dioxane in the Cape Fear River Watershed by Heated Purge-and-Trap Preconcentration and Gas Chromatography-Mass Spectrometry
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 50(5), 2246–2254.
Contributors: M. Sun n, C. Lopez-Velandia n & D. Knappe n
2016 journal article
Environmental Comparison of Biochar and Activated Carbon for Tertiary Wastewater Treatment
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 50(20), 11253–11262.
Contributors: K. Thompson *, K. Shimabuku *, J. Kearns n , D. Knappe n, R. Summers * & S. Cook *
2016 report
Evaluation of Henry’s Law Constants and Freundlich Adsorption Constants for VOCs
(Executive Summary No. 4462). Denver, Colorado: Water Research Foundation.
2016 journal article
Legacy and Emerging Perfluoroalkyl Substances Are Important Drinking Water Contaminants in the Cape Fear River Watershed of North Carolina
ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, 3(12), 415–419.
Contributors: M. Sun n, E. Arevalo n, M. Strynar *, A. Lindstrom *, M. Richardson*, B. Kearns *, A. Pickett *, C. Smith, D. Knappe n
2016 report
Survey of Existing VOC Treatment Installations
(Executive Summary No. 4453). Denver, Colorado: Water Research Foundation.
2015 conference paper
Characterization of atmospheric pressure rf discharges with aqueous plasma facing surfaces
ICOPS/BEAMS 2014 - 41st IEEE International Conference on Plasma Science and the 20th International Conference on High-Power Particle Beams.
Contributors: A. Lindsay n, B. Byrns n, n & S. Shannon n
2015 journal article
Feasibility of Using Traditional Kiln Charcoals in Low-Cost Water Treatment: Role of Pyrolysis Conditions on 2,4-D Herbicide Adsorption
ENVIRONMENTAL ENGINEERING SCIENCE, 32(11), 912–921.
Contributors: J. Kearns n , D. Knappe n & R. Summers *
2015 journal article
Full- and pilot-scale GAC adsorption of organic micropollutants
WATER RESEARCH, 68, 238–248.
Contributors: A. Kennedy *, A. Reinert n, D. Knappe n, I. Ferrer * & R. Summers *
2015 journal article
Meeting multiple water quality objectives through treatment using locally generated char: improving organoleptic properties and removing synthetic organic contaminants and disinfection by-products
JOURNAL OF WATER SANITATION AND HYGIENE FOR DEVELOPMENT, 5(3), 359–372.
Contributors: J. Kearns* , K. Shimabuku *, R. Mahoney*, D. Knappe n & R. Summers *
2015 report
Removal of perfluoroalkyl substances by PAC adsorption and anion exchange
(Executive Summary No. 4344). Denver, Colorado: Water Research Foundation.
2015 report
Removal of volatile organic contaminants (VOCs) from drinking water via granular activated carbon treatment
(Final Report No. 4440). Denver, Colorado: Water Research Foundation.
2014 journal article
2,4-D adsorption to biochars: Effect of preparation conditions on equilibrium adsorption capacity and comparison with commercial activated carbon literature data
WATER RESEARCH, 62, 20–28.
Contributors: J. Kearns* , L. Wellborn*, R. Summers * & D. Knappe n
2014 report
Evaluation of Available Scale-up Approaches for the Design of GAC Contactors
(Final Report No. 4235). Denver, Colorado: Water Research Foundation.
2014 journal article
Fertilization of Radishes, Tomatoes, and Marigolds Using a Large-Volume Atmospheric Glow Discharge
Plasma Chemistry and Plasma Processing, 34(6), 1271–1290.
Contributors: A. Lindsay n, B. Byrns n, W. King n, A. Andhvarapou n, J. Fields n, n , W. Fonteno n, S. Shannon n
2014 journal article
Synthetic organic water contaminants in developing communities: an overlooked challenge addressed by adsorption with locally generated char
JOURNAL OF WATER SANITATION AND HYGIENE FOR DEVELOPMENT, 4(3), 422–436.
Contributors: J. Kearns* , D. Knappe n & R. Summers *
2013 report
DBP Precursor and Micropollutant Removal by Powdered Activated Carbon
(Executive Summary No. 4294). Denver, Colorado: Water Research Foundation.
2013 journal article
Removal of highly polar micropollutants from wastewater by powdered activated carbon
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 20(6), 3607–3615.
Contributors: L. Kovalova*, D. Knappe n, K. Lehnberg*, C. Kazner* & J. Hollender *
2013 journal article
The effect of aging on the bioavailability of toluene sorbed to municipal solid waste components
CHEMOSPHERE, 90(2), 251–259.
Contributors: Y. Chen n, D. Knappe n & M. Barlaz n
2013 conference paper
The effect of background matrix and competition of GAC Adsorption of Carcinogenic VOCs in Natural Waters
2013 Water Quality Technology Conference and Exposition, WQTC 2013. http://www.scopus.com/inward/record.url?eid=2-s2.0-84890544639&partnerID=MN8TOARS
2013 conference paper
Understanding and predicting the adsorption of trace organic micropollutants by granular activated carbon
2013 Water Quality Technology Conference and Exposition, WQTC 2013. http://www.scopus.com/inward/record.url?eid=2-s2.0-84890451391&partnerID=MN8TOARS
2012 journal article
Characteristics of competitive adsorption between 2-methylisoborneol and natural organic matter on superfine and conventionally sized powdered activated carbons
WATER RESEARCH, 46(15), 4741–4749.
Contributors: Y. Matsui*, T. Yoshida *, S. Nakao*, D. Knappe n & T. Matsushita *
2012 conference paper
Comparing scale-up approaches to predict granular activated carbon absorber performance for micropollutant removal
American Water Works Association Annual Conference and Exposition 2012, ACE 2012, 1025–1056. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871574489&partnerID=MN8TOARS
2012 conference paper
Effect of activated carbon type on scale-up of adsorbers for volatile organic compound removal from groundwater
American Water Works Association Annual Conference and Exposition 2012, ACE 2012, 3188–3218. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871553369&partnerID=MN8TOARS
Contributors: M. Fotta, J. Roccaro & D. Knappe
2012 journal article
Fate and transport of phenol in a packed bed reactor containing simulated solid waste
WASTE MANAGEMENT, 32(2), 327–334.
Contributors: J. Saquing n, D. Knappe n & M. Barlaz n
2012 conference paper
Removal of perfluorinated compounds by powdered activated carbon: Effects of adsorbent and background water characteristics
American Water Works Association Annual Conference and Exposition 2012, ACE 2012, 961–1003. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871533789&partnerID=MN8TOARS
Contributors: L. Dudley, A. Lindstrom, M. Strynar, L. Mcmillan & D. Knappe
2012 conference paper
Scale-up of granular activated carbon adsorbers for volatile organic compound removal from groundwater: Effect of carbon type
Water Quality Technology Conference and Exposition 2012. http://www.scopus.com/inward/record.url?eid=2-s2.0-84890744863&partnerID=MN8TOARS
Contributors: M. Fotta, J. Roccaro & D. Knappe
2012 conference paper
Scale-up of the GAC adsorption of trace organic compounds
Water Quality Technology Conference and Exposition 2012. http://www.scopus.com/inward/record.url?eid=2-s2.0-84890579082&partnerID=MN8TOARS
Contributors: A. Kennedy, A. Reinert, R. Summers, I. Ferrer, M. Thurman & D. Knappe
2012 conference paper
What are the impacts of a cVOC group regulation? Questions answered with a case study at Suffolk County Water Authority
Water Quality Technology Conference and Exposition 2012. http://www.scopus.com/inward/record.url?eid=2-s2.0-84890729349&partnerID=MN8TOARS
2011 chapter
Adsorption of Organic Compounds by Activated Carbon
In J. K. Edzwald (Ed.), Water quality & treatment : a handbook on drinking water (6th ed.). New York, NY: McGraw-Hill.
Ed(s): J. Edzwald
2011 journal article
Characterization of natural organic matter adsorption in granular activated carbon adsorbers
WATER RESEARCH, 45(13), 3951–3959.
Contributors: S. Velten*, D. Knappe n, J. Traber*, H. Kaiser*, U. Gunten *, M. Boller*, S. Meylan*
2011 conference paper
Combined disinfectant byproduct precursor and micropollutant removal with superfine powdered activated carbon
Water Quality Technology Conference and Exposition 2011, 2529–2539. http://www.scopus.com/inward/record.url?eid=2-s2.0-84873509681&partnerID=MN8TOARS
Contributors: S. Dunn, B. Yuncu, E. Ged & D. Knappe
2011 conference paper
Effect of powdered activated carbon base material and size on disinfection by-product precursor removal
American Water Works Association Annual Conference and Exposition 2011, ACE 2011, 966–992. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871624478&partnerID=MN8TOARS
Contributors: S. Dunn & D. Knappe
2011 report
Evaluation of Computational Fluid Dynamics for Modeling UV-Initiated Advanced Oxidation Processes
(Final Report No. 3176). Denver, Colorado: Water Research Foundation.
2011 conference paper
Impact of DOC, EBCT and pretreatment on the GAC adsorption of trace organic contaminants
Water Quality Technology Conference and Exposition 2011, 1038–1043. http://www.scopus.com/inward/record.url?eid=2-s2.0-84873497558&partnerID=MN8TOARS
2011 conference paper
Removal of perfluorinated compounds by powdered activated carbon: Effect of base material and particle size
Water Quality Technology Conference and Exposition 2011. http://www.scopus.com/inward/record.url?eid=2-s2.0-84873499923&partnerID=MN8TOARS
2011 journal article
Transformation kinetics of biochemically active compounds in low-pressure UV Photolysis and UV/H2O2 advanced oxidation processes
WATER RESEARCH, 45(15), 4531–4543.
Contributors: C. Baeza * & D. Knappe n
2010 journal article
Factors Controlling Alkylbenzene and Tetrachloroethene Desorption from Municipal Solid Waste Components
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 44(3), 1123–1129.
Contributors: J. Saquing n, L. Mitchell n, B. Wu n, T. Wagner n, D. Knappe n & M. Barlaz n
2010 journal article
Impact of Plastics on Fate and Transport of Organic Contaminants in Landfills
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 44(16), 6396–6402.
Contributors: J. Saquing n, C. Saquing n, D. Knappe n & M. Barlaz n
2010 journal article
Modeling the UV/hydrogen peroxide advanced oxidation process using computational fluid dynamics
WATER RESEARCH, 44(6), 1797–1808.
Contributors: S. Alpert n, D. Knappe n & J. Ducoste n
2010 report
Removal of 2-Methylisoborneol and Geosmin by High-Silica Zeolites and Zeolite-Enhanced Ozonation
(Executive Summary No. Project #3169). Denver, Colorado: Water Research Foundation.
2010 conference paper
Removal of 2-methylisoborneol and geosmin by zeolite enhanced ozonation
American Water Works Association Annual Conference and Exposition 2010, ACE 2010, Papers. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871413753&partnerID=MN8TOARS
Contributors: B. Yuncu & D. Knappe
2010 conference paper
Removal of natural organic matter and trace organic pollutants by superfine powdered activated carbon
Water Quality Technology Conference and Exposition 2010, 2156–2170. http://www.scopus.com/inward/record.url?eid=2-s2.0-84873492183&partnerID=MN8TOARS
Contributors: S. Dunn, Q. Deng, K. Ohno, Y. Matsui & D. Knappe
2010 conference paper
Removal of pesticides from drinking water using indigenous charcoal adsorbents
Water Quality Technology Conference and Exposition 2010, 1401–1408. http://www.scopus.com/inward/record.url?eid=2-s2.0-84873507968&partnerID=MN8TOARS
Contributors: J. Kearns, L. Wellborn, R. Summers & D. Knappe
2010 conference paper
Removal of pharmaceuticals by powdered activated carbon adsorption: Effect of particle size and point of addition
American Water Works Association Annual Conference and Exposition 2010, ACE 2010, Papers. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871451325&partnerID=MN8TOARS
2009 journal article
Effect of Free Chlorine Application on Microbial Quality of Drinking Water in Chloraminated Distribution Systems
Journal AWWA, 101(10), 60–70.
Contributors: E. Rosenfeldt, C. Baeza & D. Knappe
2009 journal article
Removal of emerging contaminants of concern by alternative adsorbents
WATER RESEARCH, 43(15), 3787–3796.
Contributors: A. Rossner *, S. Snyder * & D. Knappe n
2009 journal article
Transport and release of chemicals from plastics to the environment and to wildlife
Philosophical Transactions of the Royal Society B: Biological Sciences, 364(1526), 2027–2045.
Contributors: E. Teuten*, J. Saquing n, D. Knappe n, M. Barlaz n, S. Jonsson*, A. Björn *, S. Rowland *, R. Thompson *
2009 review
Transport and release of chemicals from plastics to the environment and to wildlife
[Review of ]. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences, 364(1526), 2027–2045.
2008 journal article
A Review of Chemical Warfare Agent Simulants for the Study of Environmental Behavior
Critical Reviews in Environmental Science and Technology, 38(2), 112–136.
Contributors: S. Bartelt-Hunt*, D. Knappe n & M. Barlaz n
2008 journal article
MTBE adsorption on alternative adsorbents and packed bed adsorber performance
WATER RESEARCH, 42(8-9), 2287–2299.
Contributors: A. Rossner n & D. Knappe n
2008 conference paper
MTBE adsorption: Evaluating EBCT, competition and fouling in the microgram/liter range
ACS National Meeting Book of Abstracts, 48(1), 45–49. http://www.scopus.com/inward/record.url?eid=2-s2.0-77955619742&partnerID=MN8TOARS
2008 conference paper
Use of high-silica zeolites for the targeted removal of taste and odor compounds from drinking water
ACS, Division of Environmental Chemistry - Preprints of Extended Abstracts, 48(1), 65–69. http://www.scopus.com/inward/record.url?eid=2-s2.0-85025618087&partnerID=MN8TOARS
Contributors: D. Knappe & B. Yuncu
2007 report
Alternative Adsorbents for the Removal of Polar Organic Contaminants
(Executive Summary No. Project #2905). Denver, Colorado: American Water Works Association Research Foundation.
2007 conference paper
Incorporation of micromixing models within CFD simulations describing UV-initiated advanced oxidation processes
American Water Works Association - AWWA Annual Conference and Exposition, ACE 2007, 388–401. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871662252&partnerID=MN8TOARS
2007 conference paper
MTBE adsorption kinetics on alternative adsorbents and packed bed adsorber performance
ACS National Meeting Book of Abstracts. http://www.scopus.com/inward/record.url?eid=2-s2.0-37349024315&partnerID=MN8TOARS
Contributors: A. Rossner & D. Knappe
2006 journal article
A procedure to quantify organic antistrip additives in asphalt binders and mixes
Journal of Testing and Evaluation, 34(4), 269–274.
2006 journal article
A procedure to quantify organic antistrip additives in asphalt binders and mixes
Journal of Testing and Evaluation, 34(4), 269–274. http://www.scopus.com/inward/record.url?eid=2-s2.0-33845239692&partnerID=MN8TOARS
Contributors: C. Chun, A. Tayebali & D. Knappe
2006 journal article
Fate of chemical warfare agents and toxic industrial chemicals in landfills
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 40(13), 4219–4225.
Contributors: S. Bartelt-Hunt n, M. Barlaz n , D. Knappe n & P. Kjeldsen n
2006 journal article
Quantitative Determination of and Effect of Prolonged Heating on Amine-Based Antistrip Additive Contents in Asphalt Binders and Mixes
Journal of the Association of Asphalt Paving Technologists, 75, 1095–1119.
2006 conference paper
Removal of sulfonamides and associated antimicrobial activity by UV photolysis and UV/H2O2 processes
American Water Works Association - AWWA Annual Conference and Exposition, ACE 2006: The World's Water Event, 285–289. http://www.scopus.com/inward/record.url?eid=2-s2.0-84871626879&partnerID=MN8TOARS
Contributors: C. Baeza & D. Knappe
2006 chapter
Surface chemistry effects in activated carbon adsorption of industrial pollutants
In Interface Science and Technology (Vol. 10, pp. 155–177).
Contributors: D. Knappe n
2005 book
Effectiveness of high-silica zeolites for the adsorption of methyl tertiary-butyl ether from natural water
In Water Science and Technology: Water Supply (Vol. 5, pp. 83–91). http://www.scopus.com/inward/record.url?eid=2-s2.0-31144448170&partnerID=MN8TOARS
Contributors: D. Knappe & A. Campos
2005 article
Effectiveness of high-silica zeolites for the adsorption of methyl tertiaty-butyl ether from natural water
Leading-Edge Technology 2005 - Water Treatment, Vol. 5, pp. 83–91.
2005 journal article
Effects of activated carbon characteristics on the simultaneous adsorption of aqueous organic micropollutants and natural organic matter
WATER RESEARCH, 39(8), 1663–1673.
Contributors: P. Quinlivan n, L. Li n & D. Knappe n
2005 conference paper
Effects of sorbent structure and chemistry on organic contaminant sorption: Activated carbon perspective
ACS, Division of Environmental Chemistry - Preprints of Extended Abstracts, 45(2), 426–432. http://www.scopus.com/inward/record.url?eid=2-s2.0-32244435339&partnerID=MN8TOARS
Contributors: D. Knappe
2005 journal article
Predicting adsorption isotherms for aqueous organic micropollutants from activated carbon and pollutant properties
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 39(9), 3393–3400.
Contributors: L. Li n, P. Quinlivan n & D. Knappe n
2004 book
Algae detection and removal strategies for drinking water treatment plants
Denver Colo.: AWWA Research Foundation and American Water Works Association.
2004 journal article
Chemical characterization and sorption capacity measurements of degraded newsprint from a landfill
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 38(13), 3542–3550.
Contributors: L. Chen n, M. Nanny n, D. Knappe n, T. Wagner n & N. Ratasuk n
2004 journal article
Effect of cellulose/hemicellulose and lignin on the bioavailability of toluene sorbed to waste paper
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 38(13), 3731–3736.
Contributors: Y. Chen n, D. Knappe n & M. Barlaz n
2004 journal article
Intraparticle diffusion and adsorption of arsenate onto granular ferric hydroxide (GFH)
WATER RESEARCH, 38(18), 4002–4012.
Contributors: M. Badruzzaman*, P. Westerhoff * & n
2004 article
NOM and MIB, who wins in the competition for activated carbon adsorption sites?
WATER SCIENCE AND TECHNOLOGY, Vol. 49, pp. 257–265.
2004 book
NOM and MIB, who wins in the competition for activated carbon adsorption sites?
In Water Science and Technology (Vol. 49, pp. 257–265). http://www.scopus.com/inward/record.url?eid=2-s2.0-3042814758&partnerID=MN8TOARS
Contributors: C. Hepplewhite, G. Newcombe & D. Knappe
2003 report
Effects of Activated Carbon Surface Chemistry and Pore Structure on the Adsorption of Trichloroethene and Methyl Tertiary-Butyl Ether from Natural Water
[Executive Summary]. Denver, Colorado: American Water Works Association Research Foundation.
2003 journal article
Erratum: Effects of activated carbon surface chemistry and pore structure on the adsorption of organic contaminants from aqueous solution (Carbon (2002) 40 (2085-2100) PII: S0008622302000696)
Carbon, 41(8), 1693.
Contributors: L. Li n, P. Quinlivan n & D. Knappe n
2003 journal article
NOM and MIB, who wins in the competition for activated carbon adsorption sites?
Water, 30(1), 33–36. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037294576&partnerID=MN8TOARS
2003 journal article
Optimizing ferric sulfate coagulation of algae with streaming current measurements
Water Resources Research Institute News of the University of North Carolina, (341). http://www.scopus.com/inward/record.url?eid=2-s2.0-40349083675&partnerID=MN8TOARS
Contributors: D. Briley & D. Knappe
2002 journal article
Effects of activated carbon surface chemistry and pore structure on the adsorption of organic contaminants from aqueous solution
CARBON, 40(12), 2085–2100.
Contributors: L. Li n, P. Quinlivan n & D. Knappe n
2002 journal article
In the (adsorption) competition between NOM and MIB, who is the winner, and why?
Water Science and Technology: Water Supply, 2(2), 59–67.
Contributors: G. Newcombe *, J. Morrison, C. Hepplewhite & D. Knappe n
2002 journal article
Optimizing ferric sulfate coagulation of algae with streaming current measurements
Journal / American Water Works Association, 94(2), 80–90.
Contributors: D. Briley & D. Knappe
2002 journal article
Pesticide adsorption by granular activated carbon adsorbers. 1. Effect of natural organic matter preloading on removal rates and model simplification
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 36(15), 3426–3431.
Contributors: Y. Matsui*, D. Knappe n & R. Takagi*
2002 journal article
Pesticide adsorption by granular activated carbon adsorbers. 2. Effects of pesticide and natural organic matter characteristics on pesticide breakthrough curves
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 36(15), 3432–3438.
Contributors: Y. Matsui*, D. Knappe n, K. Iwaki* & H. Ohira*
2002 journal article
Simultaneous adsorption of MIB and NOM onto activated carbon - II. Competitive effects
CARBON, 40(12), 2147–2156.
Contributors: G. Newcombe *, J. Morrison *, C. Hepplewhite* & D. Knappe n
2001 journal article
Effectiveness of coagulants and coagulant aids for the removal of filter-clogging Synedra
JOURNAL OF WATER SUPPLY RESEARCH AND TECHNOLOGY-AQUA, 50(3), 135–148.
2001 journal article
Effectiveness of coagulants and coagulant aids for the removal of filter-clogging synedra
Journal of Water Supply: Research and Technology - AQUA, 50(3), 135–148. http://www.scopus.com/inward/record.url?eid=2-s2.0-0034986285&partnerID=MN8TOARS
Contributors: H. Jun, Y. Lee, B. Lee & D. Knappe
2001 conference paper
Effects of activated carbon surface chemistry and pore structure on the adsorption of MTBE from natural water
ACS Division of Environmental Chemistry, Preprints, 41(2), 448–453. http://www.scopus.com/inward/record.url?eid=2-s2.0-23844487615&partnerID=MN8TOARS
Contributors: L. Li, P. Quinlivan & D. Knappe
2001 journal article
Factors controlling alkylbenzene sorption to municipal solid waste
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 35(22), 4569–4576.
Contributors: B. Wu n, C. Taylor n, D. Knappe n, M. Nanny n & M. Barlaz n
2000 journal article
The fate of toluene, acetone and 1,2-dichloroethane in a laboratory-scale simulated landfill
Water Research, 34(12), 3063–3074.
Contributors: F. Sanin *, D. Knappe & M. Barlaz
1999 journal article
Atrazine removal by preloaded GAC
JOURNAL AMERICAN WATER WORKS ASSOCIATION, 91(10), 97–109.
1999 journal article
Atrazine removal by preloaded GAG
Journal / American Water Works Association, 91(10), 97–109. http://www.scopus.com/inward/record.url?eid=2-s2.0-0032620092&partnerID=MN8TOARS
Contributors: D. Knappe, V. Snoeyink, P. Röche, M. Prados & M. Bourbigot
1998 conference paper
Optimization of coagulation conditions for the removal of algae
Proceedings of the American Water Works Association Annual Conference, Dallas, TX, June 21-25, 1998, 90(1998 June).
1998 journal article
Predicting the capacity of powdered activated carbon for trace organic compounds in natural waters
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 32(11), 1694–1698.
Contributors: D. Knappe, Y. Matsui, V. Snoeyink, P. Roche, M. Prados* & M. Bourbigot
1998 conference paper
Strategies for algae removal in conventional treatment
Proceedings of the American Water Works Association Annual Conference, Dallas, TX, June 21-25, 1998, 90(1998 June).
1998 report
Strategies for algae removal in drinking water treatment
In Report (Water Resources Research Institute of the University of North Carolina). Raleigh, NC: University of North Carolina Water Resources Research Institute.
1998 conference paper
Toluene sorption, humification and biodegradation in excavated refuse: A high organic carbon sorbent
1998 Spring Meeting, American Geophysical Union, Boston, MA, May 26-29, 1998, (1998 May).
1997 conference paper
The effect of GAC service time on the adsorption of periodic episodes of atrazine
Proceedings of the American Water Works Association Annual Conference, Atlanta, GA, June 15-19, 1997, 89(1997 June).
1997 journal article
The effect of preloading on rapid small-scale column test predictions of atrazine removal by GAC adsorbers
WATER RESEARCH, 31(11), 2899–2909.
Contributors: D. Knappe n, V. Snoeyink *, P. Roche*, M. Prados* & M. Bourbigot*
1996 journal article
Determining the remaining life of a granular activated carbon (GAC) filter for pesticides
Water Supply, 14(2), 1–14. http://www.scopus.com/inward/record.url?eid=2-s2.0-0029657394&partnerID=MN8TOARS
Contributors: D. Knappe, V. Snoeyink, Y. Matsui, M. Prados & M. Bourbigot
1992 journal article
Effect of Calcium on Thermal Regeneration of GAC
Journal - American Water Works Association, 84(8), 73–80.
1992 journal article
Effect of calcium on thermal regeneration of GAC
Journal / American Water Works Association, 84(8), 73–80. http://www.scopus.com/inward/record.url?eid=2-s2.0-0026909410&partnerID=MN8TOARS