地下水有机污染的水文地球化学标志物探讨——以河南油田为例

郭华明; 王焰新; 陈艳玲; 王玉梅

Volume 26 Issue 3

May 2001

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Article Navigation > Earth Science > 2001 > 26(3): 304-308

GUO Huaming, WANG Yanxin, CHEN Yanling, WANG Yumei, 2001. GEOCHEMICAL INDICATORS OF ORGANIC CONTAMINATION IN GROUNDWATER: A CASE STUDY IN HENAN OILFIELD. Earth Science, 26(3): 304-308.

Citation:

GUO Huaming, WANG Yanxin, CHEN Yanling, WANG Yumei, 2001. GEOCHEMICAL INDICATORS OF ORGANIC CONTAMINATION IN GROUNDWATER: A CASE STUDY IN HENAN OILFIELD. Earth Science, 26(3): 304-308.

GUO Huaming, WANG Yanxin, CHEN Yanling, WANG Yumei, 2001. GEOCHEMICAL INDICATORS OF ORGANIC CONTAMINATION IN GROUNDWATER: A CASE STUDY IN HENAN OILFIELD. Earth Science, 26(3): 304-308.

Citation:

GUO Huaming, WANG Yanxin, CHEN Yanling, WANG Yumei, 2001. GEOCHEMICAL INDICATORS OF ORGANIC CONTAMINATION IN GROUNDWATER: A CASE STUDY IN HENAN OILFIELD. Earth Science, 26(3): 304-308.

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GEOCHEMICAL INDICATORS OF ORGANIC CONTAMINATION IN GROUNDWATER: A CASE STUDY IN HENAN OILFIELD

1.
Engineering Faculty, China University ofGeosciences, Wuhan 430074, China
2.
Faculty of Material Science and Chemical Engineering, China University of Geosciences, Wuhan 430074, China
3.
Design Institute, Oil Exploration Bureau of Henan Province, Nanyang 473132, China

Received Date: 2000-03-02
Publish Date: 2001-05-25

Abstract

Abstract

Field and laboratory investigations indicate that organic contaminants have polluted the groundwater and the contaminated area is extending further to the southern part of the Henan Oilfield. Based on the relationship among total oil, inorganic components (such as sulphate, dissolved iron and manganese), and chemical composition of aquifer matrix along the groundwater flow path, sulphate, dissolved iron and manganese are inferred as geochemical indicators of organic contamination of groundwater. The organic contaminants are degraded rapidly in the aquifer where the content of iron and manganese of aquifer matrix is high. The reduction of ferric and manganese oxyhydroxides has resulted in the lack of the iron and manganese in the aquifer and the accumulation of dissolved iron and manganese in the groundwater. In contrast, the organic pollutants are degraded slowly where the content of ferric and manganese oxyhydroxides of aquifer matrix is low, and so are the concentrations of dissolved iron and manganese of groundwater. Besides, the reduction of sulfate has led to the decrease in the sulfate concentration of groundwater and dissolved iron is more sensitive to the organic contaminants than manganese.
- adsorption,
- degradation,
- geochemical indicator,
- redox,
- sensitivity

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References(7)

References

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