Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 50 for “"Per- and polyfluoroalkyl substances"”.
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Biological and bioelectrochemical defluorination of per- and polyfluoroalkyl substances (PFAS)
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-08-01
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Detection of per- and polyfluoroalkyl substances in biosolids from wastewater treatment plants
Per- and polyfluoroalkyl substances (PFASs), with unique and special surfactant activities and chemical properties, are widely used in a variety of industrial and consumer products. The worldwide distribution and ubiquitous presence of these substances has aroused research interests and concerns …
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Transport of Per- and Polyfluoroalkyl Substances (PFAS) at a Managed Aquifer Recharge Site
In response to aquifer overuse and its related issues in eastern Virginia, the Hampton Roads Sanitation District (HRSD) is conducting a managed aquifer recharge (MAR) project called the Sustainable Water Initiative For Tomorrow (SWIFT). The objective of the SWIFT program is to treat wastewater to …
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Evaluation and implementation of adsorption technologies for the treatment of per and polyfluoroalkyl substances
Contamination of water resources by per- and polyfluoroalkyl substances (PFAS(s)) has recently emerged as a significant problem worldwide. Applications of PFASs in household products, electronics, and firefighting foams has created substantial environmental remediation challenges in the treatment …
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Understanding and developing biomolecular tools for studying epigenetic toxicity of per- and polyfluoroalkyl substances
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-08-01
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Design of a Portable Device to Detect Per- and Polyfluoroalkyl Substances (PFAS) in Water
PFAS or per- and polyfluoroalkyl substances are a group of man made chemicals used since the 1940s. The chemicals are highly stable and build up in the environment and organic systems. They can also cause several health problems in humans at high concentrations causing them to be a chemical of …
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Occurrence of Per- and Polyfluoroalkyl Substances (PFAS) in Private Water Supplies in Southwest Virginia
Per- and polyfluoroalkyl substances (PFAS) are a class of man-made contaminants of increasing human health concern due to their resistance to degradation, widespread occurrence in the environment, bioaccumulation in human and animal organ tissue, and potential negative health impacts. Drinking …
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Thermal Decomposition Mechanisms of Per- and Polyfluoroalkyl Substances and Application to Analysis of Total Organofluorine
Per- and polyfluoroalkyl substances (PFASs) are a family of anthropogenic organic chemicals broadly defined as containing a fully or partially fluorinated alkyl chain. PFASs are ubiquitous in the environment due to their wide application in consumer products and aqueous film-forming foams (AFFFs) …
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Adsorption of Single and Multi-Component Per-and Polyfluoroalkyl Substances (PFAS) at Air-Water Interfaces
Per- and polyfluoroalkyl substances (PFAS) are a class of fluorinated chemicals that are highly persistent in the environment, pose significant health risks, and are widespread due to their use in consumer products and fire-fighting foams. The purpose of this study was to investigate the transport …
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Remediation of per and polyfluoroalkyl substances by pilot-scale applications of advanced water treatment technologies
The widespread use of per- and polyfluoroalkyl substances (PFASs) and the associated long-range transport and recalcitrance in the environment has led to the contamination of water resources worldwide. Most conventional water treatment methods are ineffective against PFASs and while the removal of …
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Surface Modification Of Exhausted Activated Carbon For The Enhanced Removal Of Per- And Polyfluoroalkyl Substances
… limit (MCL) has been proposed for a group of per- and polyfluoroalkyl substances (PFAS), a class of chemicals that have been used in many consumer products and industrial applications. GAC is capable of the treatment of PFAS below the MCL, but in many water sources competing contaminants are …
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Geospatial Trends of Per- and Polyfluoroalkyl Substances (PFAS) Incidence in Private Drinking Water in Virginia
Per- and polyfluoroalkyl substances (PFAS) are a class of synthetic organic compounds that are hydrophobic, thermally stable, and resistant to environmental degradation. Widespread industrial and household use has resulted in frequent environmental and drinking water detection, raising concerns …
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Per- and Polyfluoroalkyl Substances (PFAS) in Air, Water, and Soil and Their Impact on Air Quality
Per- and polyfluoroalkyl substances (PFAS) are synthetic chemicals of growing environmental and public health concern due to their persistence and toxicity. This study focuses on fluorotelomer alcohols (FTOHs) and fluorotelomer acrylates (FTAcrs), key volatile PFAS classes, for which ambient air …
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Photochemical processes in engineered aquatic systems for remediation of per- and polyfluoroalkyl substances and algae cultivation
… a UV-sulfite photochemical treatment process for per- and polyfluoroalkyl substances (PFASs) destruction, and (2) the generation of photochemically produced reactive species in algal cultivation systems where cells excrete light-absorbing extracellular substances. The production of highly …
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Evaluation of the degradation of per- and polyfluoroalkyl substances (PFAS) using UV-activated silica-based granular media (UV/SGM)
Per- and polyfluoroalkyl substances (PFAS) have become ubiquitous in the environment through production, industrial use, and consumer use. PFAS are recalcitrant, persistent, and bioaccumulative contaminants of concern which are present in many solid and liquid sources. PFAS have been detected in …
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The effects of per- and polyfluoroalkyl substances (PFAS) and high fat diet on metabolism, reproductive health & prostate cancer progression
Per- and polyfluoroalkyl substances (PFASs) are a group of synthetic chemicals that have been utilized in various industries and settings. Their resistance to water, oil, grease, and extreme temperatures enabled utilization of PFAS in adhesives, cleaning-products, paints, coatings, packaging, …
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Toward improved in vitro models for human health risk assessment : mechanisms of short-chain per- and polyfluoroalkyl substances (PFAS) toxicity.
… exemplified by the widespread contamination of per- and polyfluoroalkyl substances (PFAS) worldwide. Despite their extensive use in various consumer products, the persistent and toxic nature of PFAS was not fully understood until after their global dissemination. As scientific knowledge advanced …
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Evaluation of hybrid treatment configurations of granular activated carbon and alternative adsorbents for per- and polyfluoroalkyl substances removal from surface water and groundwater
Per- and polyfluoroalkyl substances (PFAS) have emerged as a significant global environmental concern due to their persistence, ubiquitous presence, and associated human health hazards. As a result, regulatory agencies worldwide have enacted stringent drinking water standards to mitigate human …
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The Minus Approach to Redefine the Standard of Practice of Drinking Water Treatment: Philosophy and Case Studies on the Adsorption of Per- and Polyfluoroalkyl Substances onto Powder Activated Carbon and Membrane Surfaces
… are ineffective at removing many known, unknown, and emerging contaminants (KUECs) and also create toxic disinfection byproducts (DBPs) in-situ. Although finished drinking water is usually compliant with permitting standards, numerous questions arise regarding its ultimate safety for human …
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