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Degradation of Per- and Polyfluoroalkyl Substances (PFAS) Through Thermochemical and Electrochemical Methods
Degradation of Per- and Polyfluoroalkyl Substances (PFAS) Through Thermochemical and Electrochemical Methods
상세정보
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202105157
- ISBN
- 9798265482969
- DDC
- 540
- 서명/저자
- Degradation of Per- and Polyfluoroalkyl Substances (PFAS) Through Thermochemical and Electrochemical Methods
- 발행사항
- [Sl] : Northwestern University, 2025
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- 형태사항
- 236 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-06, Section: B.
- 주기사항
- Advisor: Dichtel, William R.
- 학위논문주기
- Thesis (Ph.D.)--Northwestern University, 2025.
- 초록/해제
- 요약Per- and polyfluoroalkyl substances (PFAS) are a group of synthetic organic compounds characterized by the presence of multiple carbon-fluorine bonds, which impart exceptional stability and resistance to thermal, chemical, and biological degradation. Since their development and commercial introduction in the 1940s, PFAS have found extensive applications in aqueous film-forming foams (AFFF), stain-resistant coatings, and industrial manufacturing, resulting in widespread environmental dissemination through direct emissions, landfill leachate, wastewater effluent, and atmospheric transport. Mounting evidence of PFAS toxicity, including carcinogenicity, immunotoxicity, and endocrine disruption, has prompted global concern, even at parts-per-trillion concentrations. This has led to regulatory actions in the United States under the Safe Drinking Water Act, CERCLA, and state-level mandates. In response, recent research has focused on the development and comparative analysis of advanced PFAS destruction technologies, including high-temperature incineration and pyrolysis, supercritical water oxidation, hydrothermal alkaline treatment (HALT), electrochemical oxidation, plasma-based processes, photocatalytic/advanced oxidation, and mechanochemical defluorination. These methods exhibit divergent mechanisms, from radical-mediated C-F bond cleavage and direct electron transfer to high-energy fragmentation, with ongoing challenges related to energy intensity, incomplete mineralization, byproduct management, and scalability for field deployment. This dissertation examines the chemical properties of and health effects from exposure to PFAS, evaluates both established and emerging destruction technologies, and critically analyzes the evolving U.S. regulatory and policy response to widespread PFAS contamination. Persistent knowledge gaps in analytical verification, lifecycle impacts, and large-scale treatment highlight the need for integrated, multidisciplinary approaches to address the ongoing PFAS crisis.
- 일반주제명
- Chemistry
- 일반주제명
- Physical chemistry
- 일반주제명
- Analytical chemistry
- 기타저자
- Northwestern University Chemistry
- 기본자료저록
- Dissertations Abstracts International. 87-06B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■007cr#unu||||||||
■020 ▼a9798265482969
■035 ▼a(MiAaPQ)AAI32243276
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a540
■1001 ▼aMonsky, Richard J.
■24510▼aDegradation of Per- and Polyfluoroalkyl Substances (PFAS) Through Thermochemical and Electrochemical Methods
■260 ▼a[Sl]▼bNorthwestern University▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a236 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-06, Section: B.
■500 ▼aAdvisor: Dichtel, William R.
■5021 ▼aThesis (Ph.D.)--Northwestern University, 2025.
■520 ▼aPer- and polyfluoroalkyl substances (PFAS) are a group of synthetic organic compounds characterized by the presence of multiple carbon-fluorine bonds, which impart exceptional stability and resistance to thermal, chemical, and biological degradation. Since their development and commercial introduction in the 1940s, PFAS have found extensive applications in aqueous film-forming foams (AFFF), stain-resistant coatings, and industrial manufacturing, resulting in widespread environmental dissemination through direct emissions, landfill leachate, wastewater effluent, and atmospheric transport. Mounting evidence of PFAS toxicity, including carcinogenicity, immunotoxicity, and endocrine disruption, has prompted global concern, even at parts-per-trillion concentrations. This has led to regulatory actions in the United States under the Safe Drinking Water Act, CERCLA, and state-level mandates. In response, recent research has focused on the development and comparative analysis of advanced PFAS destruction technologies, including high-temperature incineration and pyrolysis, supercritical water oxidation, hydrothermal alkaline treatment (HALT), electrochemical oxidation, plasma-based processes, photocatalytic/advanced oxidation, and mechanochemical defluorination. These methods exhibit divergent mechanisms, from radical-mediated C-F bond cleavage and direct electron transfer to high-energy fragmentation, with ongoing challenges related to energy intensity, incomplete mineralization, byproduct management, and scalability for field deployment. This dissertation examines the chemical properties of and health effects from exposure to PFAS, evaluates both established and emerging destruction technologies, and critically analyzes the evolving U.S. regulatory and policy response to widespread PFAS contamination. Persistent knowledge gaps in analytical verification, lifecycle impacts, and large-scale treatment highlight the need for integrated, multidisciplinary approaches to address the ongoing PFAS crisis.
■590 ▼aSchool code: 0163.
■650 4▼aChemistry
■650 4▼aPhysical chemistry
■650 4▼aAnalytical chemistry
■653 ▼aCarbon-fluorine bonds
■653 ▼aHydrothermal alkaline treatment
■653 ▼aElectrochemical oxidation
■653 ▼aMechanochemical defluorination
■690 ▼a0485
■690 ▼a0486
■690 ▼a0494
■71020▼aNorthwestern University▼bChemistry.
■7730 ▼tDissertations Abstracts International▼g87-06B.
■790 ▼a0163
■791 ▼aPh.D.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359674▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
