Chemical Characteristics and Utilization of Coal Mine Drainage in China

The growing demand for water in China’s coal-producing regions requires enhanced coal mine drainage (CMD) utilization. Mine water quality was analyzed for 269 mines distributed in 11 of China’s large coal-producing regions. We found that China’s CMD can be broadly characterized as: slightly contamin...

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Bibliographic Details
Published in:Mine water and the environment 2014-09, Vol.33 (3), p.276-286
Main Authors: Feng, Qiyan, Li, Ting, Qian, Bin, Zhou, Lai, Gao, Bo, Yuan, Tao
Format: Article
Language:English
Subjects:
Chemicals
Coal
Coal mines
Coal mining
Drainage
Earth and Environmental Science
Earth Sciences
Ecotoxicology
Environmental protection
Fluorides
Geology
Hydrogeology
Industrial Pollution Prevention
Manganese
Mine drainage
Mine waters
Mineral Resources
Pollution abatement
Pollution prevention
Technical Article
Water demand
Water pollution
Water quality
Water Quality/Water Pollution
Water shortages
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Summary:The growing demand for water in China’s coal-producing regions requires enhanced coal mine drainage (CMD) utilization. Mine water quality was analyzed for 269 mines distributed in 11 of China’s large coal-producing regions. We found that China’s CMD can be broadly characterized as: slightly contaminated, acidic, high salinity, high sulfate, high fluoride, and containing elevated iron and manganese. When CMD had properties of more than one category, its most distinctive characteristic was used for classification. When this was done, the chemical characteristics tended to correlate with the hydrogeological conditions of the region. Appropriate treatment technologies and pollution prevention measures based on these chemical characteristics could enhance the likelihood of mine water being used to relieve China’s water shortage crisis and promote environmental protection for China’s coal-producing regions.
ISSN:1025-9112
1616-1068
DOI:10.1007/s10230-014-0271-y