Activated Carbon as a Multifunctional Amendment to Treat PCBs and Mercury

活性炭作为处理多氯联苯和汞的多功能改良剂

基本信息

  • 批准号:
    8115467
  • 负责人:
  • 金额:
    $ 15.27万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2007
  • 资助国家:
    美国
  • 起止时间:
    2007-09-28 至 2012-07-31
  • 项目状态:
    已结题

项目摘要

DESCRIPTION (provided by applicant): The goal of this project is to develop activated carbon (AC) amendment as a multifunctional, in-situ sediment remediation technique to reduce the bioavailability of both mercury (Hg) and polychlorinated biphenyls (PCBs) at contaminated sediment sites. Activated carbon particles will be impregnated with nanoscale zero-valent iron (nZVI) to induce Hg reduction and sequestration, and PCB dechlorination. Successful application of this innovative technology may significantly reduce the human health risks posed by Hg and PCBs at many hazardous waste sites, while minimizing negative impact to sensitive habitats. The project will accomplish its main goal through a combination of spectroscopic, physicochemical, and biological tests. State-of-the-art microspectroscopy will be used to understand contaminant binding to AC at the particle scale. Physicochemical tests will probe the partitioning of Hg and PCBs to AC particles, and provide insight into sequestration and dechlorination rates, including mechanistic understanding of the role of nZVI on these processes. Finally, biological tests with a relevant clam species will document the effectiveness of AC amendment in reducing Hg and PCB bioavailability to sediment-dwelling macro- invertebrates. Sediment from Stege Marsh (San Francisco Bay, CA), a toxic "hot spot" contaminated with both Hg and PCBs, will be used in these tests. In-situ treatment with (nZVI-) AC may protect sensitive habitats and endangered species, such as the California clapper rail in the case of Stege Marsh. Combined, Hg and PCB contamination are responsible for the vast majority of fish consumption advisories currently in effect in the US. In addition, public use of Hg- and PCB-contaminated sites is limited due to human health risks associated with these often co-occurring contaminants. This research advances AC amendment as a remediation strategy that will lower both types of human health risks by (1) reducing the level of Hg and PCBs entering the food chain, and (2) decreasing the availability of Hg and PCBs to the local environment.
描述(由申请人提供):

项目成果

期刊论文数量(7)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Dehalogenation of polybrominated diphenyl ethers and polychlorinated biphenyl by bimetallic, impregnated, and nanoscale zerovalent iron.
通过双金属,浸渍和纳米级的杂脂铁对多溴二苯基醚和多氯联苯的脱盐化。
  • DOI:
    10.1021/es104312h
  • 发表时间:
    2011-06-01
  • 期刊:
  • 影响因子:
    11.4
  • 作者:
    Zhuang, Yuan;Ahn, Sungwoo;Seyfferth, Angelia L.;Masue-Slowey, Yoko;Fendorf, Scott;Luthy, Richard G.
  • 通讯作者:
    Luthy, Richard G.
Partitioning of dissolved organic matter-bound mercury between a hydrophobic surface and polysulfide-rubber polymer.
溶解的有机物结合汞在疏水表面和聚硫橡胶聚合物之间的分配。
  • DOI:
    10.1016/j.watres.2011.08.003
  • 发表时间:
    2011
  • 期刊:
  • 影响因子:
    12.8
  • 作者:
    Kim,Eun-Ah;Luthy,RichardG
  • 通讯作者:
    Luthy,RichardG
Intra-particle migration of mercury in granular polysulfide-rubber-coated activated carbon (PSR-AC).
颗粒状聚硫化橡胶涂层活性炭(PSR-AC)中汞的颗粒内迁移。
  • DOI:
    10.1016/j.chemosphere.2011.11.012
  • 发表时间:
    2012
  • 期刊:
  • 影响因子:
    8.8
  • 作者:
    Kim,Eun-Ah;Masue-Slowey,Yoko;Fendorf,Scott;Luthy,RichardG
  • 通讯作者:
    Luthy,RichardG
Debromination of polybrominated diphenyl ethers by nanoscale zerovalent iron: pathways, kinetics, and reactivity.
  • DOI:
    10.1021/es101601s
  • 发表时间:
    2010-11-01
  • 期刊:
  • 影响因子:
    11.4
  • 作者:
    Zhuang, Yuan;Ahn, Sungwoo;Luthy, Richard G.
  • 通讯作者:
    Luthy, Richard G.
Kinetics and pathways for the debromination of polybrominated diphenyl ethers by bimetallic and nanoscale zerovalent iron: effects of particle properties and catalyst.
  • DOI:
    10.1016/j.chemosphere.2012.05.078
  • 发表时间:
    2012-10
  • 期刊:
  • 影响因子:
    8.8
  • 作者:
    Zhuang Y;Jin L;Luthy RG
  • 通讯作者:
    Luthy RG
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Richard G. Luthy其他文献

Combined UV/Hsub2/subOsub2/sub and biochar processes for enhanced removal of contaminants of emerging concern in dry wells
联合紫外/过氧化氢(UV/H₂O₂)与生物炭工艺以强化去除旱井中新兴污染物
  • DOI:
    10.1016/j.watres.2025.123159
  • 发表时间:
    2025-04-15
  • 期刊:
  • 影响因子:
    12.400
  • 作者:
    Yiran Li;James Conrad Pritchard;Christopher Wessel;Yoshi Andersen;Yanghua Duan;Yifeng Wang;Richard G. Luthy
  • 通讯作者:
    Richard G. Luthy

Richard G. Luthy的其他文献

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{{ truncateString('Richard G. Luthy', 18)}}的其他基金

Activated Carbon as a Multifunctional Amendment to Treat PCBs and Mercury
活性炭作为处理多氯联苯和汞的多功能改良剂
  • 批准号:
    7665378
  • 财政年份:
    2007
  • 资助金额:
    $ 15.27万
  • 项目类别:
Activated Carbon as a Multifunctional Amendment to Treat PCBs and Mercury
活性炭作为处理多氯联苯和汞的多功能改良剂
  • 批准号:
    7500694
  • 财政年份:
    2007
  • 资助金额:
    $ 15.27万
  • 项目类别:
Activated Carbon as a Multifunctional Amendment to Treat PCBs and Mercury
活性炭作为处理多氯联苯和汞的多功能改良剂
  • 批准号:
    7340327
  • 财政年份:
    2007
  • 资助金额:
    $ 15.27万
  • 项目类别:

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