Purification method of coal mine distribution underground reservoir water resource
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- CHINA SHENHUA ENERGY CO LTD
- Publication Date
- 2013-02-27
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Abstract
Description
technical field
[0001] The invention belongs to the comprehensive utilization of mining engineering and water conservancy engineering, and in particular relates to a method for purifying water resources of distributed underground reservoirs in coal mines. Background technique
[0002] my country is a water-short country, and the shortage of water resources poses a serious threat to the development of the national economy and the improvement of people's lives. Mine water is unavoidable in the process of coal mining. As a precious water resource, the mine water discharged by key state-owned coal mines alone is as high as 2.2 billion tons every year. On average, every ton of coal mined requires the discharge of 2 tons of wastewater. On the one hand, the discharge of mine water not only wastes a lot of precious water resources, but also easily constitutes serious environmental pollution to the surrounding environment. On the other hand, there are abundant coal resources in the ...