Reductive Dechlorination of Polychlorinated Biphenyls by Zerovalent Iron in Subcritical Water

Yak  HK; Cheng  IF; Doyle  JGWai  CM*Wenclawiak  BW

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Reductive Dechlorination of Polychlorinated Biphenyls by Zerovalent Iron in Subcritical Water

机译：Reductive Dechlorination of Polychlorinated Biphenyls by Zerovalent Iron in Subcritical Water

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摘要

A method for remediation of PCB-contaminated soil and sediments is described that uses zerovalent iron as the dechlorination agent and subcritical water extraction (SWE) as the transporting medium. By using 100-mesh iron powder and SWE conditions of 250 degree C and 10 MPa on Aroclor 1260 for 1-8 h, the higher chlorine-substituted homologues were completely reduced to their lower-substituted counterparts. The lower-substituted congeners were subsequently near-completely dechlorinated. The initial findings indicate that this technique may be a viable method for remediation of PCB-contaminated soil and sediments.

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来源
《Environmental Science & Technology: ES&T》 |1999年第8期|0-0|共1页
作者
Yak HK; Cheng IF; Doyle JGWai CM*Wenclawiak BW;
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作者单位

Department of Chemistry, University of Idaho, Moscow, Idaho 83844, USA;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类环境化学;
关键词
dechlorination; Polychlorinated Biphenyls; Remediation; Soil Contamination; Sediment Contamination; Iron;

Reductive Dechlorination of Polychlorinated Biphenyls by Zerovalent Iron in Subcritical Water

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