Works (50)
Updated: August 16th, 2024 13:38
2021 journal article
Evaluating the impact of back diffusion on groundwater cleanup time
JOURNAL OF CONTAMINANT HYDROLOGY, 243.
author keywords: Back diffusion; Cleanup time; Sensitivity; Parameters; Damkohler
MeSH headings : Diffusion; Groundwater; Models, Theoretical; Water Pollutants, Chemical / analysis; Water Wells
TL;DR:
This work identifies the aquifer and contaminant characteristics that have the greatest influence on the time (TOoM) after complete source removal for contaminant concentrations to decline by 1, 2 and 3 Orders ofMagnitude (T1, T2 and T3).
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Source: Web Of Science
Added: October 12, 2021
2020 journal article
A Physically Based Approach for Estimating Hydraulic Conductivity fromHPTPressure and Flowrate
GROUNDWATER, 59(2), 266–272.
MeSH headings : Electric Conductivity; Groundwater; Water; Water Movements; Water Wells
TL;DR:
Prior numerical modeling results are used to develop a relationship between probe advance rate V, probe diameter D, water injection rate Q, corrected pressure Pc, and hydraulic conductivity K and this equation provides a physically based approach for generating hydraulic Conductivity profiles with HPT tooling.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Source: Web Of Science
Added: September 21, 2020
2018 journal article
Stochastic cost-optimization and risk assessment of in situ chemical oxidation for dense non-aqueous phase liquid (DNAPL) source remediation
STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT, 33(1), 73–89.
author keywords: Stochastic optimization; In situ chemical oxidation; Risk assessment; DNAPL source remediation; Uncertainty analysis
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
Source: Web Of Science
Added: February 18, 2019
2017 journal article
Laboratory column evaluation of high explosives attenuation in grenade range soils
Journal of Environmental Quality, 46(5), 968–974.
Source: NC State University Libraries
Added: August 6, 2018
2017 journal article
Natural and enhanced attenuation of explosives on a hand grenade range
Journal of Environmental Quality, 46(5), 961–967.
Source: NC State University Libraries
Added: August 6, 2018
2016 journal article
Impact of glycerin and lignosulfonate on biodegradation of high explosives in soil
JOURNAL OF CONTAMINANT HYDROLOGY, 194, 1–9.
author keywords: High explosives; TNT; RDX; HMX; Biodegradation
MeSH headings : Biodegradation, Environmental / drug effects; Explosive Agents / metabolism; Glycerol / pharmacology; Lignin / analogs & derivatives; Lignin / pharmacology; Models, Theoretical; Oxygen Consumption / drug effects; Soil / chemistry; Soil Pollutants / metabolism
TL;DR:
Glycerin and lignosulfonate can be potentially used to stimulate RDX and HMX biodegradation by increasing oxygen consumption rates in soil, and Mathematical model simulations indicate that oxygen consumption Rates can be achieved with reasonable amendment loading rates.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2015 journal article
Statistical Analysis of Secondary Water Quality Impacts from Enhanced Reductive Bioremediation
GROUND WATER MONITORING AND REMEDIATION, 35(4), 67–77.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2014 journal article
Perchlorate natural attenuation in a riparian zone
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING, 49(10), 1100–1109.
author keywords: Perchlorate; littoral zone; natural attenuation; qPCR
MeSH headings : Bacteria / metabolism; Biodegradation, Environmental; Environmental Monitoring; Groundwater / analysis; Groundwater / microbiology; Perchlorates / analysis; Perchlorates / metabolism; Water Movements; Water Pollutants, Chemical / analysis; Water Pollutants, Chemical / metabolism
TL;DR:
Perchlorate concentrations in the source area are expected to meet cleanup criteria in 11 to 27 years without active remedial measures, and there was a rapid perchlorate attenuation in organic rich littoral zone, and qPCR results show large increases in per chlorate degraders in the littoran zone.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
14. Life Below Water
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2013 journal article
Enhanced Reductive Dechlorination of Tetrachloroethene Dense Nonaqueous Phase Liquid with EVO and Mg(OH)(2)
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 48(1), 624–631.
MeSH headings : Biodegradation, Environmental; Emulsions; Halogenation; Hydrogen-Ion Concentration; Magnesium Hydroxide / chemistry; Oxidation-Reduction; Plant Oils / chemistry; Solubility; Tetrachloroethylene / analysis; Tetrachloroethylene / chemistry; Water Pollutants, Chemical / analysis; Water Pollutants, Chemical / chemistry
TL;DR:
Flushing emulsified vegetable oil, colloidal Mg(OH)2 buffer, and a bioaugmentation culture through a zone containing neat tetrachloroethene (PCE) was effective in reducing contaminant toxicity, limiting pH declines, and accelerating bioenhanced dissolution of the DNAPL.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2013 journal article
Power earth auger modification for waste extraction from pit latrines
JOURNAL OF WATER SANITATION AND HYGIENE FOR DEVELOPMENT, 4(1), 72–80.
Contributors: T. Rogers n, F. de los Reyes III, W. Beckwith n & n
author keywords: auger; pit emptying; portable
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
6. Clean Water and Sanitation
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2012 journal article
Waste Glycerol Addition to Reduce AMD Production in Unsaturated Mine Tailings
MINE WATER AND THE ENVIRONMENT, 31(3), 161–171.
author keywords: Acid mine drainage; Tailings; Waste glycerol; Organic amendments
Source: Web Of Science
Added: August 6, 2018
2011 journal article
Impact of injection system design on ISCO performance with permanganate - mathematical modeling results
JOURNAL OF CONTAMINANT HYDROLOGY, 128(1-4), 33–46.
author keywords: In situ chemical oxidation; ISCO; Permanganate; Models; Heterogeneity; Treatment efficiency
MeSH headings : Computer Simulation; Environmental Restoration and Remediation / methods; Groundwater / chemistry; Hydrocarbons, Chlorinated / chemistry; Models, Theoretical; Oxidation-Reduction; Potassium Permanganate / chemistry; Water Pollutants, Chemical / chemistry
TL;DR:
Simulation results indicate that the mass of permanganate and volume of water injected has the greatest impact on aquifer contact efficiency and contaminant treatment efficiency.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2011 journal article
Kinetics of Permanganate Consumption by Natural Oxidant Demand in Aquifer Solids
ENVIRONMENTAL ENGINEERING SCIENCE, 29(7), 646–653.
author keywords: in situ chemical oxidation; ISCO; kinetics; models; natural oxidant demand; NOD; permanganate
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2011 journal article
Physical, Hydrologic, and Aqueous Chemical Characterization of the Ore Knob Tailings Pile (Ashe County, North Carolina, USA)
MINE WATER AND THE ENVIRONMENT, 31(1), 3–15.
author keywords: Acid mine drainage; Hydrology; Ore Knob Mine; Particle size
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2010 journal article
Energy Efficiency and Rod Length Effect in Standard Penetration Test Hammers
TRANSPORTATION RESEARCH RECORD, (2186), 47–56.
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2009 journal article
Fractionation of stable isotopes in perchlorate and nitrate during in situ biodegradation in a sandy aquifer
ENVIRONMENTAL CHEMISTRY, 6(1), 44–52.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2008 journal article
Numerical Modeling of Emulsified Oil Distribution in Heterogeneous Aquifers
GROUND WATER, 47(2), 246–258.
MeSH headings : Biodegradation, Environmental; Emulsions / analysis; Models, Theoretical; Oils / analysis; Water Purification / methods
TL;DR:
The impact of injection conditions on emulsion distribution in a three-dimensional heterogeneous aquifer is examined using MODFLOW and RT3D and regression equations are developed relating dimensionless scaling factors to expected contact efficiency for area treatment and barriers.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
Source: Web Of Science
Added: August 6, 2018
2007 journal article
Concurrent bioremediation of perchlorate and 1,1,1-trichloroethane in an emulsified oil barrier
JOURNAL OF CONTAMINANT HYDROLOGY, 94(1-2), 13–33.
author keywords: anaerobic; bioremediation; edible oil; soybean oil; emulsion; perchlorate; trichloroethane
MeSH headings : Anaerobiosis; Biodegradation, Environmental; Emulsions / chemistry; Perchlorates / isolation & purification; Perchlorates / metabolism; Plant Oils / chemistry; Soil Pollutants / isolation & purification; Soil Pollutants / metabolism; Soybean Oil / chemistry; Time Factors; Trichloroethanes / isolation & purification; Trichloroethanes / metabolism; Water Pollutants, Chemical / isolation & purification; Water Pollutants, Chemical / metabolism; Water Purification / methods
TL;DR:
A detailed field pilot test was conducted to evaluate the use of edible oil emulsions for enhanced in situ biodegradation of perchlorate and chlorinated solvents in groundwater with results indicating strongly reducing conditions in the oil-treated zone.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2007 journal article
Effective distribution of emulsified edible oil for enhanced anaerobic bioremediation
Journal of Contaminant Hydrology, 94(1-2), 1–12.
Source: NC State University Libraries
Added: August 6, 2018
2006 journal article
Enhanced reductive dechlorination in columns treated with edible oil emulsion
JOURNAL OF CONTAMINANT HYDROLOGY, 87(1-2), 54–72.
author keywords: vegetable oil; emulsion; bioremediation; reductive dechlorination
MeSH headings : Carbon / chemistry; Chlorine / chemistry; Chlorine / isolation & purification; Emulsions / chemistry; Ethylenes / chemistry; Food; Hydrophobic and Hydrophilic Interactions; Oxidation-Reduction; Permeability; Soybean Oil / chemistry; Substrate Specificity; Time Factors
TL;DR:
The lower biodegradation rates in the emulsion treated columns compared to the soluble substrate column suggest that emulsified oil barriers may require a somewhat longer contact time for effective treatment, and partitioning of PCE to the retained oil substantially delayed PCE breakthrough.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2006 journal article
Transport of edible oil emulsions in clayey sands: 3D sandbox results and model validation
Journal of Hydrologic Engineering, 11(3), 238–244.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science)
Source: NC State University Libraries
Added: August 6, 2018
2006 journal article
Transport of edible oil emulsions in clayey sands: One-dimensional column results and model development
Journal of Hydrologic Engineering, 11(3), 230–237.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Source: NC State University Libraries
Added: August 6, 2018
2004 journal article
Biodegradation of 1,4-dioxane using trickling filter
Journal of Environmental Engineering (New York, N.Y.), 130(9), 926–931.
TL;DR:
The ability to treat groundwater contaminated with low concentrations of ethers in attached growth reactors is demonstrated, with the model somewhat over predicted 1,4-dioxane removal.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2004 journal article
Impact of edible oil injection on the permeability of aquifer sands
JOURNAL OF CONTAMINANT HYDROLOGY, 71(1-4), 219–237.
author keywords: edible oil; anaerobic bioremediation; emulsion; permeability
MeSH headings : Aluminum Silicates; Bacteria, Anaerobic; Clay; Emulsions; Environmental Monitoring; Permeability; Soil Pollutants / analysis; Soybean Oil; Water Pollutants / analysis; Water Supply
TL;DR:
Examination of the distribution of soybean oil in representative aquifer sediments as non-aqueous phase liquid oil (NAPL oil) or as an oil-in-water emulsion finds oil retention and associated permeability loss increased with sediment clay content and with the ratio of droplet size to pore size.
(via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018
2003 journal article
Occurrence and treatment of 1,4-dioxane in aqueous environments
ENVIRONMENTAL ENGINEERING SCIENCE, 20(5), 423–432.
author keywords: 1,4-dioxane; ethers; biodegradation; remediation; occurrence
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2002 journal article
Chlorinated solvent cleanup with edible oils
Pollution Engineering, 34(10), 16–19.
Source: NC State University Libraries
Added: August 6, 2018
2002 journal article
Critical evaluation of factors required to terminate the postclosure monitoring period at solid waste landfills
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 36(16), 3457–3464.
MeSH headings : Environmental Monitoring / standards; Guideline Adherence; Odorants; Oxidants, Photochemical / analysis; Ozone / analysis; Refuse Disposal; Soil Pollutants / analysis; Volatilization; Water Movements; Water Pollutants / analysis
TL;DR:
The objectives of this paper are to identify and evaluate parameters that can be used to define the end of the postclosure monitoring period and to present a conceptual framework for an investigation of whether post closure monitoring can be terminated at a landfill.
(via Semantic Scholar)
open access via pubs.acs.org (publisher PDF)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
12. Responsible Consumption and Production
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2002 journal article
MTBE and aromatic hydrocarbons in North Carolina stormwater runoff
ENVIRONMENTAL POLLUTION, 118(1), 141–152.
author keywords: MTBE; BTEX; stormwater; runoff; oxygenates
MeSH headings : Carcinogens / analysis; Environmental Monitoring; Guidelines as Topic; Hydrocarbons, Aromatic / analysis; Methyl Ethers / analysis; North Carolina; Rain; Seasons; Water Movements; Water Supply
TL;DR:
A total of 249 stormwater samples were collected from 46 different sampling locations in North Carolina and analyzed to identify land use types where fuel oxygenates and aromatic hydrocarbons may be present in higher concentrations and at greater frequency.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
2002 journal article
Modeling cometabolism of cyclic ethers
ENVIRONMENTAL ENGINEERING SCIENCE, 19(4), 215–228.
author keywords: 1,4-dioxane; cometabolism; kinetics; tetrahydrofuran; ethers; biodegradation
TL;DR:
The biodegradation kinetics of a mixed culture with the ability to cometabolically degrade 1,4-dioxane in the presence of tetrahydrofuran were studied using a previously published model.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2001 article
Effects of subsurface heterogeneity on natural bioremediation at a gasoline spill site
WATER SCIENCE AND TECHNOLOGY, Vol. 43, pp. 341–348.
author keywords: natural bioremediation; multilevel sampler; heterogeneity; aqueous geochemistry
TL;DR:
Groundwater analytical results indicate that iron reduction was the dominant biodegradation process within this test cell, and suggest that using blended sediments forBiodegradation rate measurements may provide misleading results.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2000 journal article
Mineralization of 1,4-dioxane in the presence of a structural analog
BIODEGRADATION, 11(4), 239–246.
author keywords: 1,4-dioxane; biodegradation; cometabolism; ethers; tetrahydrofuran
MeSH headings : Biodegradation, Environmental; Dioxanes / chemistry; Dioxanes / metabolism; Furans / chemistry; Furans / metabolism; Geologic Sediments; Minerals / metabolism; Soil
TL;DR:
A mixed culture with the ability to aerobically biodegrade 1,4-dioxane in the presence of tetrahydrofuran (THF) was enriched from a 1, 4- dioxane contaminated aquifer, finding activity is interesting since the non-growth substrate is mineralized, yet only minimally assimilated into biomass.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1999 journal article
Influence of protozoan grazing on contaminant biodegradation
FEMS Microbiology Ecology, 29(2), 179–189.
TL;DR:
It was suggested that Predator–prey biomass ratios suggested that protozoan grazing might be influencing bacterial populations, but predation was not a significant control on anaerobic benzaldehyde biotransformation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
14. Life Below Water
(OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
1998 report
Effect of in-lake processes on pollutant removal in water quality ponds
In Report (Water Resources Research Institute of the University of North Carolina). Raleigh, NC: University of North Carolina Water Resources Research Institute.
Source: NC State University Libraries
Added: August 6, 2018
1998 journal article
Effect of in-lake water quality on pollutant removal in two ponds
Journal of Environmental Engineering (New York, N.Y.), 124(8), 737–743.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Source: NC State University Libraries
Added: August 6, 2018
1998 conference paper
Significance of protozoan grazing on the intrinsic bioremediation of gasoline contaminated aquifers
1998 Spring Meeting, American Geophysical Union, Boston, MA, May 26-29, 1998, (1998 May).
Source: NC State University Libraries
Added: August 6, 2018
1997 journal article
Anaerobic biodegradation of alkylbenzenes in laboratory microcosms representing ambient conditions
Bioremediation Journal, 1(1), 53–64.
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
1997 journal article
Benzaldehyde degradation under mixed iron reducing / fermentative conditions
Eos (Richmond, Va.), 78(17), S121.
Source: NC State University Libraries
Added: August 6, 2018
1997 journal article
Control of BTEX migration using a biologically enhanced permeable barrier
GROUND WATER MONITORING AND REMEDIATION, 17(1), 70–80.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
1997 journal article
Enhanced biodegradation of BTEX in a nutrient briquet-peat barrier system
Journal of Environmental Engineering (New York, N.Y.), 123(1), 18–24.
Source: NC State University Libraries
Added: August 6, 2018
1997 conference paper
Environmental research brief
Anaerobic biodegradation of BTEX in aquifer material, 9. Ada, OK: U.S. Environmental Protection Agency, Research and Development, National Risk Management Research Laboratory.
Source: NC State University Libraries
Added: August 6, 2018
1997 report
Evaluation of wet ponds for protection of public water supplies
In Report (Water Resources Research Institute of the University of North Carolina). Raleigh, NC: University of North Carolina Water Resources Research Institute.
Source: NC State University Libraries
Added: August 6, 2018
1997 report
Factors limiting intrinsic bioremediation of gasoline-contaminated aquifers
In Report (Water Resources Research Institute of the University of North Carolina). Raleigh, NC: University of North Carolina Water Resources Research Institute.
Source: NC State University Libraries
Added: August 6, 2018
1997 conference paper
Field studies of BTEX and MTBE intrinsic bioremediation
Field studies of BTEX and MTBE intrinsic bioremediation (API publication; no. 4654), 4654, 198. American Petroleum Institute.
Source: NC State University Libraries
Added: August 6, 2018
1997 journal article
Intrinsic biodegradation of MTBE and BTEX in a gasoline-contaminated aquifer
WATER RESOURCES RESEARCH, 33(5), 1105–1115.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
1997 report
Intrinsic bioremediation of gasoline-contaminated aquifers: Biodegradation rate measurement and microbial ecology
In Report (Water Resources Research Institute of the University of North Carolina) (p. 63). Raleigh, NC: University of North Carolina Water Resources Research Institute.
Source: NC State University Libraries
Added: August 6, 2018
1997 journal article
Microbial and geochemical heterogeneity in gasoline contaminated aquifers undergoing intrinsic bioremediation
Eos (Richmond, Va.), 78(17), S159.
Source: NC State University Libraries
Added: August 6, 2018
1997 journal article
Natural attenuation of MTBE and BTEX: How do you accurately predict downgradient transport?
Eos (Richmond, Va.), 78(17), S127.
Source: NC State University Libraries
Added: August 6, 2018
1997 journal article
Site-specific variability in BTEX biodegradation under denitrifying conditions
GROUND WATER, 35(2), 305–311.
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(OpenAlex)
Source: Web Of Science
Added: August 6, 2018
1997 conference paper
Spatial variability in intrinsic bioremediation rates: Effect on contaminant transport
In Situ and On Site Bioremediation: Papers from the Fourth International In Situ and On-Site Bioremediation Symposium, New Orleans, April 28-May 1, 1997, 1, 29–34. Columbus: Battelle Press.
Source: NC State University Libraries
Added: August 6, 2018
1992 journal article
EVALUATION OF GROUNDWATER EXTRACTION FOR REMEDIATION OF PETROLEUM-CONTAMINATED AQUIFERS
WATER ENVIRONMENT RESEARCH, 64(1), 28–36.
author keywords: CONTAMINATION; GROUNDWATER; MODELING; MULTIPHASE; PETROLEUM; REMEDIATION
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation
(Web of Science; OpenAlex)
Source: Web Of Science
Added: August 6, 2018
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