MODEL FOR CATALYTIC REDUCTIVE DEHALOGENATION
催化还原脱卤模型
基本信息
- 批准号:6239539
- 负责人:
- 金额:$ 11.78万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:1997
- 资助国家:美国
- 起止时间:1997-04-01 至 1998-03-31
- 项目状态:已结题
- 来源:
- 关键词:anaerobiosis bioreactors biotransformation carbon tetrachloride catalyst cell free system cellular respiration chlorohydrocarbon detoxification electrical potential electrochemistry electrodes electron transport environmental contamination environmental engineering environmental toxicology halogenation microorganism metabolism organometallic compounds photolysis reducing agents reduction semiconduction vitamin B12 waste treatment
项目摘要
This project is engineering oriented and investigates treatment
technologies for heavily halogenated organic pollutants. These
pollutants have generally proven to be resistant to aerobic biochemical
treatment measures. Numerous investigators have recognized the potential
advantages of reductive dehalogenation as a mechanism for pretreating
such compounds for subsequent aerobic transformations. Staged treatments
of this nature would eliminate potential hazards from the release of
partially dehalogenated products of reductive processes. Both abiotic
and biochemically driven reductive dehalogenation of chlorinated solvents
are proposed for study and evaluation in this project.
The abiotic and biochemical foci will be studied and developed via three
model systems that promote dehalogenation of haloorganic compounds that
would be applicable for use under field conditions. Proposed work
includes: 1) fundamental and applied investigations into the use of
semiconductor-macrocycle hybrid catalysts for the reductive
dehalogenation of aqueous-phase halogenated organics; 2) parallel
development of in situ groundwater treatment systems based on the use of
zero-valence metals (Fe and zn) for the reductive dehalogenation of
reductive targets; and 3) isolation and identification of the
physiological elements responsible for the reductive dehalogenation of
carbon tetrachloride by Shewanella putrefaciens 200.
本项目以工程为导向,
重卤化有机污染物的技术。 这些
污染物通常被证明是耐好氧生物化学的
治疗措施。 许多研究人员已经认识到
还原脱卤作为预处理机理的优点
这些化合物用于随后的需氧转化。 分期治疗
这种性质将消除潜在的危险,
还原过程的部分脱卤产物。 非生物性
和氯化溶剂的生化驱动的还原脱卤
在本项目中,建议进行研究和评估。
非生物和生物化学病灶将通过三个方面进行研究和开发
促进卤代有机化合物脱卤的模型系统,
将适用于在现场条件下使用。 拟议工作
包括:1)对使用
用于还原反应的多环-大环混合催化剂
水相卤代有机物的脱卤; 2)平行
开发基于使用的就地地下水处理系统
零价金属(Fe和Zn)用于还原脱卤,
还原性靶点; 3)分离和鉴定
负责还原脱卤的生理元素
200.第200章大开杀戒
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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ROBERT Glenn ARNOLD其他文献
ROBERT Glenn ARNOLD的其他文献
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{{ truncateString('ROBERT Glenn ARNOLD', 18)}}的其他基金
Environmental Health and Sustainable Development, International Conference of the Public Health Foundation of India and the Pacific Basin Consortium
环境健康与可持续发展,印度公共卫生基金会和太平洋盆地联盟国际会议
- 批准号:
9471648 - 财政年份:2017
- 资助金额:
$ 11.78万 - 项目类别:
Human and ecological health risk factors in the Pacific Basin
太平洋盆地的人类和生态健康风险因素
- 批准号:
8910172 - 财政年份:2015
- 资助金额:
$ 11.78万 - 项目类别:
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