Articles with "reductive defluorination" as a keyword



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Nonmainstream Out‐Plane Fluoro‐ and Amino‐Cofunctionalized Graphene for a Striking Electrocatalyst: Programming Substitutive/Reductive Defluorination toward Graphite Fluoride

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Published in 2019 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201801699

Abstract: It is mostly reported that graphene lattice doped/codoped with heteroatoms (e.g., nitrogen and boron) in an in‐plane fashion exhibits an impressive oxygen reduction reaction (ORR) electrocatalytic efficiency when serving as a metal‐free catalyst, but the… read more here.

Keywords: cofunctionalized graphene; reductive defluorination; substitutive reductive; defluorination toward ... See more keywords
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Reductive defluorination of perfluorooctanoic acid by zero-valent iron and zinc: A DFT-based kinetic model

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Published in 2018 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2017.10.131

Abstract: Abstract Over the past two decades, groundwater contaminated with chlorinated organic compounds has been successfully remediated via reductive dehalogenation by zero-valent iron. While reductive defluorination of the environmentally persistent perfluorooctanoic acid (PFOA) by Fe 0… read more here.

Keywords: reductive defluorination; valent; model; zero valent ... See more keywords
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Vitamin B12 (CoII) initiates the reductive defluorination of branched perfluorooctane sulfonate (br-PFOS) in the presence of sulfide

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.130149

Abstract: Abstract Due to the extremely high stability of perfluorooctane sulfonate (PFOS), effective defluorination is difficult. Previous studies indicated that PFOS can be decomposed under the catalysis of vitamin B12 (VB12) with strong artificial reductants such… read more here.

Keywords: perfluorooctane sulfonate; defluorination; vitamin b12; pfos ... See more keywords
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Structural Dependence of Reductive Defluorination of Linear PFAS Compounds in a UV/Electrochemical System.

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Published in 2020 at "Environmental science & technology"

DOI: 10.1021/acs.est.0c02773

Abstract: Per and polyfluoroalkyl substances (PFAS), legacy chemicals used in firefighting and the manufacturing of many industrial and consumer goods, are widely found in groundwater resources, along with other regulated compounds, such as chlorinated solvents. Due… read more here.

Keywords: reductive defluorination; pfas; defluorination; dependence reductive ... See more keywords
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Microbial Cleavage of C-F Bonds in Two C6 Per- and Polyfluorinated Compounds via Reductive Defluorination.

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Published in 2020 at "Environmental science & technology"

DOI: 10.1021/acs.est.0c04483

Abstract: The C-F bond is one of the strongest single bonds in nature. Although microbial reductive dehalogenation is well known for the other organohalides, no microbial reductive defluorination has been documented for perfluorinated compounds except for… read more here.

Keywords: reductive defluorination; two per; defluorination; polyfluorinated compounds ... See more keywords
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Microbial Defluorination of Unsaturated Per- and Polyfluorinated Carboxylic Acids under Anaerobic and Aerobic Conditions: A Structure Specificity Study

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Published in 2022 at "Environmental Science & Technology"

DOI: 10.1021/acs.est.1c05509

Abstract: The recently discovered microbial reductive defluorination of two C6 branched and unsaturated fluorinated carboxylic acids (FCAs) provided valuable insights into the environmental fate of per- and polyfluoroalkyl substances (PFASs) and potential bioremediation strategies. However, a… read more here.

Keywords: structure; anaerobic aerobic; defluorination; reductive defluorination ... See more keywords
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Reductive Defluorination of Branched Per- and Polyfluoroalkyl Substances with Cobalt Complex Catalysts

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Published in 2018 at "Environmental Science and Technology Letters"

DOI: 10.1021/acs.estlett.8b00122

Abstract: This study investigates structure–reactivity relationships within branched per- and polyfluoroalkyl substances (PFASs) undergoing cobalt-catalyzed reductive defluorination reactions. Experimental results and theoretical calculations reveal correlations among the extent of PFAS defluorination, the local C–F bonding environment,… read more here.

Keywords: reductive defluorination; per polyfluoroalkyl; defluorination; branched per ... See more keywords