Search Results - "Knappe, R"
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Per- and polyfluoroalkyl substances in the environment
Published in Science (American Association for the Advancement of Science) (04-02-2022)“…Over the past several years, the term PFAS (per- and polyfluoroalkyl substances) has grown to be emblematic of environmental contamination, garnering public,…”
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Does Granular Activated Carbon with Chlorination Produce Safer Drinking Water? From Disinfection Byproducts and Total Organic Halogen to Calculated Toxicity
Published in Environmental science & technology (21-05-2019)“…Granular activated carbon (GAC) adsorption is well-established for controlling regulated disinfection byproducts (DBPs), but its effectiveness for unregulated…”
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3
Per- and polyfluoroalkyl substances (PFAS)—contaminants of emerging concern
Published in Analytical and bioanalytical chemistry (2022)Get full text
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Rapid Characterization of Per- and Polyfluoroalkyl Substances (PFAS) by Ion Mobility Spectrometry–Mass Spectrometry (IMS-MS)
Published in Analytical chemistry (Washington) (17-03-2020)“…Per- and polyfluoroalkyl substances (PFAS) are an ensemble of persistent organic pollutants of global interest because of their associations with adverse…”
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Environmental Comparison of Biochar and Activated Carbon for Tertiary Wastewater Treatment
Published in Environmental science & technology (18-10-2016)“…Micropollutants in wastewater present environmental and human health challenges. Powdered activated carbon (PAC) can effectively remove organic…”
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Extraction and Matrix Cleanup Method for Analyzing Novel Per- and Polyfluoroalkyl Ether Acids and Other Per- and Polyfluoroalkyl Substances in Fruits and Vegetables
Published in Journal of agricultural and food chemistry (27-04-2022)“…Per- and polyfluoroalkyl ether acids (PFEAs) are a subclass of per- and polyfluoroalkyl substances (PFAS) that are detected with increasing frequency in…”
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Scientific Basis for Managing PFAS as a Chemical Class
Published in Environmental science & technology letters (11-08-2020)“…This commentary presents a scientific basis for managing as one chemical class the thousands of chemicals known as PFAS (per- and polyfluoroalkyl substances)…”
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Determination of 1,4-Dioxane in the Cape Fear River Watershed by Heated Purge-and-Trap Preconcentration and Gas Chromatography–Mass Spectrometry
Published in Environmental science & technology (01-03-2016)“…Recent U.S. Environmental Protection Agency data show that 1,4-dioxane is frequently detected in U.S. drinking water derived from both groundwater and surface…”
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2,4-D adsorption to biochars: Effect of preparation conditions on equilibrium adsorption capacity and comparison with commercial activated carbon literature data
Published in Water research (Oxford) (01-10-2014)“…Batch isotherm experiments were conducted with chars to study adsorption of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D). Chars generated from…”
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Legacy and Emerging Perfluoroalkyl Substances Are Important Drinking Water Contaminants in the Cape Fear River Watershed of North Carolina
Published in Environmental science & technology letters (13-12-2016)“…Long-chain per- and polyfluoroalkyl substances (PFASs) are being replaced by short-chain PFASs and fluorinated alternatives. For ten legacy PFASs and seven…”
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Characterization of natural organic matter adsorption in granular activated carbon adsorbers
Published in Water research (Oxford) (01-07-2011)“…The removal of natural organic matter (NOM) from lake water was studied in two pilot-scale adsorbers containing granular activated carbon (GAC) with different…”
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Fate of Per- and Polyfluoroalkyl Ether Acids in the Total Oxidizable Precursor Assay and Implications for the Analysis of Impacted Water
Published in Environmental science & technology letters (12-11-2019)“…Per- and polyfluoroalkyl substances (PFASs) are widely used anthropogenic chemicals. The PFAS class includes almost 5000 registered compounds, but analytical…”
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Forecasting and Hindcasting PFAS Concentrations in Groundwater Discharging to Streams near a PFAS Production Facility
Published in Environmental science & technology (08-10-2024)“…Per- and polyfluoroalkyl substances (PFAS) are known to be highly persistent in groundwater, making it vital to develop new approaches to important practical…”
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Removal of highly polar micropollutants from wastewater by powdered activated carbon
Published in Environmental science and pollution research international (01-06-2013)“…Due to concerns about ecotoxicological effects of pharmaceuticals and other micropollutants released from wastewater treatment plants, activated carbon…”
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Per- and Polyfluoroalkyl Substance (PFAS) Transport from Groundwater to Streams near a PFAS Manufacturing Facility in North Carolina, USA
Published in Environmental science & technology (04-05-2021)“…We quantified per- and polyfluoroalkyl substance (PFAS) transport from groundwater to five tributaries of the Cape Fear River near a PFAS manufacturing…”
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Removal of emerging contaminants of concern by alternative adsorbents
Published in Water research (Oxford) (01-08-2009)“…The effective removal of emerging contaminants of concern (ECCs) such as endocrine-disrupting chemicals, pharmaceutically active compounds, personal care…”
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Lithium-ion battery components are at the nexus of sustainable energy and environmental release of per- and polyfluoroalkyl substances
Published in Nature communications (08-07-2024)“…Lithium-ion batteries (LiBs) are used globally as a key component of clean and sustainable energy infrastructure, and emerging LiB technologies have…”
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Transport and release of chemicals from plastics to the environment and to wildlife
Published in Philosophical transactions of the Royal Society of London. Series B. Biological sciences (27-07-2009)“…to mg l…”
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Characteristics of competitive adsorption between 2-methylisoborneol and natural organic matter on superfine and conventionally sized powdered activated carbons
Published in Water research (Oxford) (01-10-2012)“…When treating water with activated carbon, natural organic matter (NOM) is not only a target for adsorptive removal but also an inhibitory substance that…”
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Measurement of Novel, Drinking Water-Associated PFAS in Blood from Adults and Children in Wilmington, North Carolina
Published in Environmental health perspectives (01-07-2020)“…From 1980 to 2017, a fluorochemical manufacturing facility discharged wastewater containing poorly understood per- and polyfluoroalkyl substances (PFAS) to the…”
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