Works (105)

Updated: April 20th, 2023 05:22

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.

By: J. Nickels, D. Genereux & D. Knappe

author keywords: VOC; Contaminant flux; Groundwater; Stream
Source: Web Of Science
Added: February 20, 2023

2023 journal article

Pilot-scale biofiltration of 1,4-dioxane at drinking water-relevant concentrations

WATER RESEARCH, 231.

By: A. McElroy, M. Ogles, M. Hyman & D. Knappe

author keywords: Biofiltration; Cometabolism; Adsorption; Emerging contaminants
Sources: Web Of Science, ORCID
Added: March 13, 2023

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.

By: J. Stults*, Y. Choi*, C. Rockwell*, C. Schaefer*, D. Nguyen*, D. Knappe, T. Illangasekare*, C. Higgins*

author keywords: PFAS air-water interfacial adsorption; QSPR; nonequilibrium; unsaturated columns; pan film
Source: Web Of Science
Added: April 17, 2023

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.

By: Y. Fang*, P. Meng, C. Schaefer* & D. Knappe

Source: Web Of Science
Added: February 20, 2023

2023 journal article

Source apportionment of serum PFASs in two highly exposed communities

SCIENCE OF THE TOTAL ENVIRONMENT, 855.

By: D. Wallis, K. Barton*, D. Knappe, N. Kotlarz, C. McDonough*, C. Higgins*, J. Hoppin, J. Adgate*

author keywords: Source apportionment; Receptor models; PFAS; Per fluoroalkyl substances
Sources: Web Of Science, ORCID
Added: October 11, 2022

2022 journal article

Diffusion of benzene and tetrachloroethylene through saturated cement paste

CONSTRUCTION AND BUILDING MATERIALS, 329.

By: P. Hosseini n, A. McElroy n, D. Knappe, M. Gabr & M. Pour-Ghaz n

author keywords: Volatile organic compounds; Cement paste; Saturated state; Diffusion coefficient; Prediction model
Sources: Web Of Science, ORCID
Added: July 18, 2022

2022 journal article

Drinking Water-Associated PFAS and Fluoroethers and Lipid Outcomes in the GenX Exposure Study

ENVIRONMENTAL HEALTH PERSPECTIVES, 130(9).

By: E. Rosen*, N. Kotlarz, D. Knappe, C. Lea*, D. Collier*, D. Richardson*, J. Hoppin

Sources: Web Of Science, ORCID
Added: September 8, 2022

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.

By: P. Meng, N. DeStefano & D. Knappe

author keywords: PFEAs; PFAS; method quantification limits; extraction and matrix cleanup method; fruits and vegetables
Source: Web Of Science
Added: June 27, 2022

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.

By: H. Vatankhah, B. Tajdini, R. Milstead, E. Clevenger, C. Murray, D. Knappe, C. Remucal, C. Bellona

author keywords: Perfluoroalkyl acids; Municipal wastewater effluent; Ozonation; Biologically active filtration; Effluent organic matter; Potable reuse
Source: Web Of Science
Added: October 17, 2022

2022 journal article

Mechanisms of orthophosphate removal from water by lanthanum carbonate and other lanthanum-containing materials

SCIENCE OF THE TOTAL ENVIRONMENT, 820.

By: Y. Zhi, A. Paterson, D. Call, J. Jones, D. Hesterberg, O. Duckworth, E. Poitras, D. Knappe

author keywords: Lanthanum containing material; Lanthanum carbonate; Phosphorus removal; Wastewater treatment; Mineral precipitation
Sources: Web Of Science, ORCID
Added: April 4, 2022

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.

By: M. Crimi, T. Speth, Z. Chowdhury, E. Dickenson, D. Knappe & J. Liu

Source: Web Of Science
Added: September 19, 2022

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.

By: M. Petre n, K. Salk*, H. Stapleton*, P. Ferguson*, G. Tait*, D. Obenour, D. Knappe n, D. Genereux

author keywords: PFAS; Mass load; Model; Source tracking; Environmental monitoring; Drinking water
Source: Web Of Science
Added: May 31, 2022

2022 review

Per- and polyfluoroalkyl substances in the environment

[Review of ]. SCIENCE, 375(6580), 512-+.

By: M. Evich*, M. Davis*, J. McCord*, B. Acrey*, J. Awkerman*, D. Knappe, A. Lindstrom*, T. Speth* ...

Source: Web Of Science
Added: April 4, 2022

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.

By: C. Zhang n, A. McElroy n, H. Liberatore*, N. Alexander & D. Knappe

author keywords: PFAS; fluoroethers; GenX; acetonitrile; acetone; dimethyl sulfoxide; degradation; high-resolution mass spectrometry
Source: Web Of Science
Added: June 20, 2022

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.

By: B. Parker*, D. Knappe, I. Titaley*, T. Wanzek* & J. Field*

author keywords: per-and polyfluoroalkyl substances; anion exchange; electrostatic potential; liquid chromatography
Source: Web Of Science
Added: November 28, 2022

2021 journal article

Biochar Water Treatment for Control of Organic Micropollutants with Ultraviolet A Surrogate Monitoring

ENVIRONMENTAL ENGINEERING SCIENCE, 38(5), 298–309.

By: J. Kearns*, E. Dickenson*, M. Aung n, S. Joseph*, S. Summers* & D. Knappe

author keywords: biochar water treatment; contaminants of emerging concern; engineering for developing communities; hygiene for development; low-cost sensors; sanitation; water
Source: Web Of Science
Added: December 11, 2020

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.

Sources: Web Of Science, ORCID
Added: February 4, 2021

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.

By: Y. Zhi n, D. Call, K. Grieger, O. Duckworth, J. Jones & D. Knappe

author keywords: Eutrophication; Lake restoration; Lanthanum release; Humic and fulvic acid; Phosphate management
Sources: Web Of Science, ORCID, Crossref
Added: September 20, 2021

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.

By: M. Petre, D. Genereux, L. Koropeckyj-Cox n, D. Knappe, S. Duboscq n, T. Gilmore, Z. Hopkins

Source: Web Of Science
Added: June 10, 2021

2021 article

Per- and polyfluoroalkyl substances (PFAS)-contaminants of emerging concern

Baker, E. S., & Knappe, D. R. U. (2021, December 2). ANALYTICAL AND BIOANALYTICAL CHEMISTRY, Vol. 12.

By: E. Baker & D. Knappe

Sources: Web Of Science, ORCID
Added: December 13, 2021

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.

By: N. Herkert*, J. Merrill n, C. Peters*, D. Bollinger*, S. Zhang*, K. Hoffman*, P. Ferguson*, D. Knappe, H. Stapleton*

Source: Web Of Science
Added: March 30, 2020

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.

By: T. Merle*, D. Knappe, W. Pronk*, B. Vogler*, J. Hollender* & U. Gunten*

Source: Web Of Science
Added: October 19, 2020

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.

By: P. Hosseini n, S. Alhomair n, Z. Faeli, M. Pour-Ghaz n, M. Gabr, D. Knappe, C. Parker*

Sources: Web Of Science, ORCID
Added: March 10, 2020

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.

By: T. Guillette, J. McCord, M. Guillette n, M. Polera, K. Rachels*, C. Morgeson*, N. Kotlarz, D. Knappe ...

Sources: Web Of Science, ORCID
Added: March 2, 2020

2020 review

Emerging lanthanum (III)-containing materials for phosphate removal from water: A review towards future developments

[Review of ]. ENVIRONMENT INTERNATIONAL, 145.

author keywords: Lanthanum; Lanthanum-containing materials; Phosphate; Surface water restoration; Eutrophication control; Phosphorus inactivation
Sources: Web Of Science, ORCID
Added: December 21, 2020

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.

By: J. Kearns, E. Dickenson* & D. Knappe

author keywords: activated carbon; adsorption modeling; biochar; contaminants of emerging concern; rapid small-scale column testing; wastewater
Sources: Web Of Science, ORCID
Added: June 1, 2020

2020 journal article

GAC to BAC: Does it make chloraminated drinking water safer?

WATER RESEARCH, 172.

By: A. Cuthbertson*, S. Kimura*, H. Liberatore*, D. Knappe, B. Stanford*, R. Summers*, E. Dickenson*, J. Maness n ...

author keywords: Biological activated carbon; Drinking water; Disinfection by-products; GAC; Total organic halogen; Calculated cytotoxicity & genotoxicity
Source: Web Of Science
Added: March 23, 2020

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).

By: N. Kotlarz, J. McCord, D. Collier*, C. Lea*, M. Strynar*, A. Lindstrom*, A. Wilkie n, J. Islam n ...

Sources: Web Of Science, ORCID
Added: August 24, 2020

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.

By: A. Rodowa*, D. Knappe, S. Chiang*, D. Pohlmann*, C. Varley*, A. Bodour*, J. Field*

Source: Web Of Science
Added: April 27, 2020

2020 journal article

Scientific Basis for Managing PFAS as a Chemical Class

ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS, 7(8), 532–543.

By: C. Kwiatkowski, D. Andrews*, L. Birnbaum*, T. Bruton*, J. DeWitt, D. Knappe, M. Maffini*, M. Miller* ...

Source: Web Of Science
Added: September 14, 2020

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.

Source: Web Of Science
Added: December 11, 2020

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.

By: A. McElroy n, M. Hyman & D. Knappe

Sources: Crossref, NC State University Libraries, ORCID
Added: February 5, 2019

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.

By: A. Cuthbertson, S. Kimura, H. Liberatore, R. Summers, D. Knappe, B. Stanford, J. Maness, R. Mulhern, M. Selbes, S. Richardson

Source: Web Of Science
Added: June 17, 2019

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.

By: A. Cuthbertson*, S. Kimura*, H. Liberatore*, R. Summers*, D. Knappe, B. Stanford*, J. Maness n, R. Mulhern*, M. Selbes*, S. Richardson*

Source: Web Of Science
Added: April 20, 2020

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.

By: B. Hess, P. Kolar, J. Classen, D. Knappe & J. Cheng

author keywords: Adsorption; Eggshell; Copper; Swine lagoons; Acetate; Ammonia
Sources: Web Of Science, ORCID
Added: July 15, 2019

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.

By: C. Zhang n, Z. Hopkins n, J. McCord*, M. Strynar* & D. Knappe

Sources: Web Of Science, Crossref
Added: December 9, 2019

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.

By: J. Kearns, K. Shimabuku n, D. Knappe & R. Summers*

author keywords: 2; 4-D; adsorption; aerobic pyrolysis; biochar; simazine
Sources: Web Of Science, ORCID
Added: July 1, 2019

2018 journal article

Evaluation of Waste Eggshells for Adsorption of Copper from Synthetic and Swine Wastewater

Transactions of the ASABE, 61(3), 967–976.

By: B. Hess, P. Kolar, J. Classen, D. Knappe & J. Cheng

author keywords: Adsorption; Copper; Eggshell; Swine lagoon; Water
Sources: Crossref, Web Of Science, ORCID
Added: August 6, 2018

2018 report

Evaluation of cVOC Removal Efficiencies by Various Technologies

(Executive Summary No. 4492). Denver, Colorado: Water Research Foundation.

By: C. Cotton, J. Collins, D. Knappe, K. Linden, J. Brown, G. Upadhyaya, P. Ponturo

Source: NC State University Libraries
Added: December 7, 2020

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.

By: Z. Hopkins n, M. Sun*, J. DeWitt* & D. Knappe

author keywords: emerging per- and polyfluoroalkyl substances; hexafluoropropylene oxide dimer acid (HFPO-DA); Nafion by-products; industrial wastewater; unregulated contaminants
Source: Crossref
Added: December 15, 2019

2017 journal article

Prediction of Full-Scale GAC Adsorption of Organic Micropollutants

ENVIRONMENTAL ENGINEERING SCIENCE, 34(7), 496–507.

By: A. Kennedy, A. Reinert, D. Knappe & R. Summers

author keywords: adsorption; dissolved organic matter; granular activated carbon; organic micropollutants; rapid small-scale column test
Source: Web Of Science
Added: August 6, 2018

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.

By: M. Sun n, C. Lopez-Velandia n & D. Knappe

Source: Web Of Science
Added: August 6, 2018

2016 journal article

Environmental Comparison of Biochar and Activated Carbon for Tertiary Wastewater Treatment

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 50(20), 11253–11262.

By: K. Thompson*, K. Shimabuku*, J. Kearns, D. Knappe, R. Summers* & S. Cook*

Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 report

Evaluation of Henry’s Law Constants and Freundlich Adsorption Constants for VOCs

(Executive Summary No. 4462). Denver, Colorado: Water Research Foundation.

By: D. Knappe, R. Ingham, J. Moreno-Barbosa, M. Sun, R. Summers & T. Dougherty

Event:

Source: NC State University Libraries
Added: December 7, 2020

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.

By: M. Sun n, E. Arevalo n, M. Strynar*, A. Lindstrom*, M. Richardson*, B. Kearns*, A. Pickett*, C. Smith*, D. Knappe

Source: Web Of Science
Added: August 6, 2018

2016 report

Survey of Existing VOC Treatment Installations

(Executive Summary No. 4453). Denver, Colorado: Water Research Foundation.

By: Z. Chowdhury, K. Porter, J. Collins, C. Francis, S. Sriboonlue, D. Cornwell, R. Brown, D. Knappe

Source: NC State University Libraries
Added: August 16, 2021

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.

By: J. Kearns, D. Knappe & R. Summers*

author keywords: 2,4-D; adsorption; biochar; charcoal; decentralized water treatment; engineering for developing communities; low cost adsorbents
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 journal article

Full- and pilot-scale GAC adsorption of organic micropollutants

WATER RESEARCH, 68, 238–248.

By: A. Kennedy*, A. Reinert n, D. Knappe, I. Ferrer* & R. Summers*

author keywords: Granular activated carbon; Trace organic contaminants; Drinking water treatment; Pesticides; Pharmaceuticals; Personal care products
Source: Web Of Science
Added: August 6, 2018

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.

By: J. Kearns, K. Shimabuku*, R. Mahoney*, D. Knappe & R. Summers*

author keywords: adsorption; biochar; charcoal; chemical water contaminants; point-of-use water treatment
Sources: Web Of Science, ORCID
Added: August 6, 2018

2015 report

Removal of perfluoroalkyl substances by PAC adsorption and anion exchange

(Executive Summary No. 4344). Denver, Colorado: Water Research Foundation.

By: L. Dudley, E. Arevalo & D. Knappe

Source: NC State University Libraries
Added: December 24, 2021

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.

By: R. Summers, D. Kempisty, T. Daugherty & D. Knappe

Source: NC State University Libraries
Added: August 16, 2021

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.

By: J. Kearns, L. Wellborn*, R. Summers* & D. Knappe n

author keywords: Pesticide; Herbicide; Water treatment; Charcoal; Low-cost adsorbent
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 report

Evaluation of Available Scale-up Approaches for the Design of GAC Contactors

(Final Report No. 4235). Denver, Colorado: Water Research Foundation.

By: R. Summers, A. Kennedy, D. Knappe, A. Reinert, M. Fotta, A. Mastropole, C. Corwin, J. Roccaro

Source: NC State University Libraries
Added: December 24, 2021

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.

By: A. Lindsay, B. Byrns, W. King n, A. Andhvarapou n, J. Fields n, D. Knappe, W. Fonteno, S. Shannon

author keywords: Large-volume glow; Atmospheric pressure plasma; Fertilization; Reactive nitrogen and oxygen species
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

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.

By: J. Kearns, M. Bentley, P. Mokashi, J. Redmon & K. Levine

author keywords: biochar; charcoal; drinking water; herbicide; pesticide; Thailand
Sources: Web Of Science, ORCID
Added: August 6, 2018

2013 report

DBP Precursor and Micropollutant Removal by Powdered Activated Carbon

(Executive Summary No. 4294). Denver, Colorado: Water Research Foundation.

By: S. Dunn & D. Knappe

Source: NC State University Libraries
Added: December 24, 2021

2013 journal article

Removal of highly polar micropollutants from wastewater by powdered activated carbon

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 20(6), 3607–3615.

By: L. Kovalova*, D. Knappe, K. Lehnberg*, C. Kazner* & J. Hollender*

author keywords: Adsorption; Powdered activated carbon; Wastewater treatment; Polar compound; Trace organic compound; Micropollutant; Pharmaceuticals; Cytostatic
Source: Web Of Science
Added: August 6, 2018

2013 journal article

The effect of aging on the bioavailability of toluene sorbed to municipal solid waste components

CHEMOSPHERE, 90(2), 251–259.

By: Y. Chen n, D. Knappe & M. Barlaz

author keywords: Bioavailability; Landfill; Municipal solid waste; Sorption; Desorption
Sources: Web Of Science, ORCID
Added: August 6, 2018

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.

By: Y. Matsui*, T. Yoshida*, S. Nakao*, D. Knappe & T. Matsushita*

author keywords: PAC; Particle size; Sub-micrometer; Competitive adsorption; Humic substance; Taste and odor
Source: Web Of Science
Added: August 6, 2018

2012 journal article

Fate and transport of phenol in a packed bed reactor containing simulated solid waste

WASTE MANAGEMENT, 32(2), 327–334.

By: J. Saquing, D. Knappe & M. Barlaz

author keywords: Organic contaminant; Fate; Transport; Landfill; HYDRUS-1D
Sources: Web Of Science, ORCID
Added: August 6, 2018

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.

By: R. Summers, D. Knappe & V. Snoeyink

Ed(s): J. Edzwald

Source: NC State University Libraries
Added: December 24, 2021

2011 journal article

Characterization of natural organic matter adsorption in granular activated carbon adsorbers

WATER RESEARCH, 45(13), 3951–3959.

By: S. Velten, D. Knappe, J. Traber, H. Kaiser, U. Gunten, M. Boller, S. Meylan

author keywords: Adsorption; Granular activated carbon; Natural organic matter (NOM); NOM characterization; Size exclusion chromatography
Source: Web Of Science
Added: August 6, 2018

2011 report

Evaluation of Computational Fluid Dynamics for Modeling UV-Initiated Advanced Oxidation Processes

(Final Report No. 3176). Denver, Colorado: Water Research Foundation.

By: J. Ducoste, D. Knappe & S. Alpert

Source: NC State University Libraries
Added: December 24, 2021

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.

By: C. Baeza* & D. Knappe

author keywords: Antibiotics; Endocrine disrupting chemicals; Pharmaceuticals; Photooxidation; Quantum yield
Source: Web Of Science
Added: August 6, 2018

2010 journal article

Factors Controlling Alkylbenzene and Tetrachloroethene Desorption from Municipal Solid Waste Components

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 44(3), 1123–1129.

Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Impact of Plastics on Fate and Transport of Organic Contaminants in Landfills

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 44(16), 6396–6402.

By: J. Saquing, C. Saquing, D. Knappe & M. Barlaz

Sources: Web Of Science, ORCID
Added: August 6, 2018

2010 journal article

Modeling the UV/hydrogen peroxide advanced oxidation process using computational fluid dynamics

WATER RESEARCH, 44(6), 1797–1808.

By: S. Alpert*, D. Knappe & J. Ducoste

author keywords: Ultraviolet; Advanced oxidation; Methylene blue; Emerging contaminants
Sources: Web Of Science, ORCID
Added: August 6, 2018

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.

By: D. Knappe, B. Yuncu & Q. Deng

Source: NC State University Libraries
Added: December 24, 2021

2009 journal article

Effect of Free Chlorine Application on Microbial Quality of Drinking Water in Chloraminated Distribution Systems

Journal AWWA, 101(10), 60–70.

By: E. Rosenfeldt, C. Baeza & D. Knappe

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Removal of emerging contaminants of concern by alternative adsorbents

WATER RESEARCH, 43(15), 3787–3796.

By: A. Rossner*, S. Snyder* & D. Knappe

author keywords: Adsorption; Activated carbon; Zeolites; Emerging contaminants; Drinking water treatment
Source: Web Of Science
Added: August 6, 2018

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.

By: E. Teuten, J. Saquing, D. Knappe, M. Barlaz, S. Jonsson, A. Bjorn, S. Rowland, R. Thompson ...

Source: NC State University Libraries
Added: August 6, 2018

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.

By: S. Bartelt-Hunt, D. Knappe & M. Barlaz

author keywords: microbial degradation; partition coefficient; simulant; toxicity; warfare agent
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

2008 journal article

MTBE adsorption on alternative adsorbents and packed bed adsorber performance

WATER RESEARCH, 42(8-9), 2287–2299.

By: A. Rossner n & D. Knappe

author keywords: activated carbon; adsorption kinetics; carbonaceous resin; methyl tert-butyl ether; natural organic matter; zeolite
Source: Web Of Science
Added: August 6, 2018

2007 report

Alternative Adsorbents for the Removal of Polar Organic Contaminants

(Executive Summary No. Project #2905). Denver, Colorado: American Water Works Association Research Foundation.

By: D. Knappe, A. Rossner, S. Snyder & C. Strickland

Source: NC State University Libraries
Added: December 24, 2021

2006 journal article

A procedure to quantify organic antistrip additives in asphalt binders and mixes

Journal of Testing and Evaluation, 34(4), 269–274.

By: C. Chen, A. Tayebali & D. Knappe

Source: NC State University Libraries
Added: August 6, 2018

2006 journal article

Fate of chemical warfare agents and toxic industrial chemicals in landfills

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 40(13), 4219–4225.

Sources: Web Of Science, ORCID
Added: August 6, 2018

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.

By: C. Chun, A. Tayebali & D. Knappe

Source: NC State University Libraries
Added: December 24, 2021

2006 chapter

Surface chemistry effects in activated carbon adsorption of industrial pollutants

In Interface Science and Technology (pp. 155–177).

By: D. Knappe n

Source: Crossref
Added: August 28, 2020

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.

By: D. Knappe n & A. Campos n

author keywords: adsorption; methyl tertiary-butyl ether; zeolite
Source: Web Of Science
Added: August 6, 2018

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.

By: P. Quinlivan, L. Li & D. Knappe n

author keywords: activated carbon; adsorption; drinking water treatment; methyl tertiary-butyl ether (MTBE); natural organic matter; trichloroethylene (TCE)
Source: Web Of Science
Added: August 6, 2018

2005 journal article

Predicting adsorption isotherms for aqueous organic micropollutants from activated carbon and pollutant properties

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 39(9), 3393–3400.

Source: Web Of Science
Added: August 6, 2018

2004 book

Algae detection and removal strategies for drinking water treatment plants

Denver Colo.: AWWA Research Foundation and American Water Works Association.

By: D. Knappe

Source: NC State University Libraries
Added: August 6, 2018

2004 journal article

Chemical characterization and sorption capacity measurements of degraded newsprint from a landfill

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 38(13), 3542–3550.

By: L. Chen*, M. Nanny n, D. Knappe n, T. Wagner n & N. Ratasuk n

Source: Web Of Science
Added: August 6, 2018

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.

By: Y. Chen, D. Knappe n & N. Barlaz n

Sources: Web Of Science, ORCID
Added: August 6, 2018

2004 journal article

Intraparticle diffusion and adsorption of arsenate onto granular ferric hydroxide (GFH)

WATER RESEARCH, 38(18), 4002–4012.

By: M. Badruzzaman*, P. Westerhoff* & D. Knappe n

author keywords: arsenic; iron; adsorption; surface diffusion; water treatment
Source: Web Of Science
Added: August 6, 2018

2004 article

NOM and MIB, who wins in the competition for activated carbon adsorption sites?

WATER SCIENCE AND TECHNOLOGY, Vol. 49, pp. 257–265.

By: C. Hepplewhite*, G. Newcombe* & D. Knappe n

author keywords: activated carbon; adsorption; adsorption competition; MIB; natural organic material; tastes and odours
Source: Web Of Science
Added: August 6, 2018

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.

By: D. Knappe, L. Li, P. Quinlivan & T. Wagner

Source: NC State University Libraries
Added: December 24, 2021

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.

author keywords: activated carbon, carbon fibers; chemical treatment, surface treatment; adsorption; adsorption properties, microporosity
Source: Web Of Science
Added: August 6, 2018

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.

By: G. Newcombe*, J. Morrison, C. Hepplewhite & D. Knappe n

author keywords: activated carbon; adsorption; MIB; tastes and odours
Source: Crossref
Added: August 28, 2020

2002 journal article

Optimizing ferric sulfate coagulation of algae with streaming current measurements

Journal (American Water Works Association), 94(2), 80–90.

By: D. Briley & D. Knappe

Source: NC State University Libraries
Added: August 6, 2018

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.

By: Y. Matsui*, D. Knappe n & R. Takagi*

Source: Web Of Science
Added: August 6, 2018

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.

By: Y. Matsui*, D. Knappe n, K. Iwaki* & H. Ohira*

Source: Web Of Science
Added: August 6, 2018

2002 journal article

Simultaneous adsorption of MIB and NOM onto activated carbon - II. Competitive effects

CARBON, 40(12), 2147–2156.

By: G. Newcombe*, J. Morrison*, C. Hepplewhite* & D. Knappe n

author keywords: activated carbon; adsorption properties; surface properties
Source: Web Of Science
Added: August 6, 2018

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.

By: H. Jun*, Y. Lee*, B. Lee* & D. Knappe n

author keywords: coagulation; diatoms; filter clogging; polymers; sedimentation
Source: Web Of Science
Added: August 6, 2018

2001 journal article

Factors controlling alkylbenzene sorption to municipal solid waste

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 35(22), 4569–4576.

By: B. Wu n, C. Taylor n, D. Knappe n, M. Nanny n & M. Barlaz

Sources: Web Of Science, ORCID
Added: August 6, 2018

2000 journal article

The fate of toluene, acetone and 1,2-dichloroethane in a laboratory-scale simulated landfill

Water Research, 34(12), 3063–3074.

By: F. Sanin*, D. Knappe & M. Barlaz

author keywords: landfills; biodegradation; anaerobic; hazardous waste; humic matter
Sources: Web Of Science, ORCID, Crossref
Added: August 6, 2018

1999 journal article

Atrazine removal by preloaded GAC

JOURNAL AMERICAN WATER WORKS ASSOCIATION, 91(10), 97–109.

By: D. Knappe, V. Snoeyink, P. Roche, M. Prados & M. Bourbigot

Source: Web Of Science
Added: August 6, 2018

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).

By: D. Briley & D. Knappe

Source: NC State University Libraries
Added: August 6, 2018

1998 journal article

Predicting the capacity of powdered activated carbon for trace organic compounds in natural waters

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 32(11), 1694–1698.

By: D. Knappe, Y. Matsui, V. Snoeyink, P. Roche, M. Prados & M. Bourbigot

Source: Web Of Science
Added: August 6, 2018

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).

By: D. Knappe, D. Briley & N. Rastogi

Source: NC State University Libraries
Added: August 6, 2018

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.

By: D. Knappe

Source: NC State University Libraries
Added: August 6, 2018

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).

By: F. Sanin, M. Barlaz & D. Knappe

Source: NC State University Libraries
Added: August 6, 2018

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).

By: D. Knappe, V. Snoeyink, P. Roche, M. Prados & M. Bourbigot

Source: NC State University Libraries
Added: August 6, 2018

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.

By: D. Knappe, V. Snoeyink, P. Roche, M. Prados & M. Bourbigot

author keywords: activated carbon; atrazine; preloading; natural organic matter; adsorption; rapid small-scale column test; drinking water treatment
Source: Web Of Science
Added: August 6, 2018

1992 journal article

Effect of Calcium on Thermal Regeneration of GAC

Journal - American Water Works Association, 84(8), 73–80.

By: D. Knappe, G. Dagois & J. DeWolfe

Source: Crossref
Added: April 4, 2021