浅层地下水氯代烃污染天然生物降解的判别依据

何江涛; 史敬华; 崔卫华; 刘菲; 陈鸿汉

Volume 29 Issue 3

May 2004

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Article Navigation > Earth Science > 2004 > 29(3): 357-362

HE Jiang-tao, SHI Jing-hua, CUI Wei-hua, LIU Fei, CHEN Hong-han, 2004. Determining Criterions for Natural Biodegradation of Chlorinated Hydrocarbons in Shallow Groundwater. Earth Science, 29(3): 357-362.

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Determining Criterions for Natural Biodegradation of Chlorinated Hydrocarbons in Shallow Groundwater

School of Water Resources and Environment, China University of Geosciences, Beijing 100083, China

Received Date: 2003-11-10
Publish Date: 2004-05-25

Abstract

Abstract

Natural biodegradation is one of the important processes resulting in the decrease of chlorinated pollutants in environments. Identification of the occurrence of natural biodegradation is thus the key issue to evaluate the practicability of the natural attenuation of these compounds. Through the analysis of the characteristics of biodegradation, we found that, the biodegradation of chlorinated compounds in groundwater environments always leads to the visible change of electron acceptors, primary substances, intermediate products, and other indirect indexes. The spatial variation of these substances around the different locations of the polluted plumes is proposed to be a consequence of biodegradation of chlorinated compounds. On this basis, this paper summarized the determining criterions for the evaluation of biodegradation of chlorinated hydrocarbons in groundwater under natural conditions, including electron acceptors, primary substances and intermediate products.
- chlorinated solvent,
- natural attenuation,
- biodegradation,
- determining criterion

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References(30)

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