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Effect of Waste Rock Eluviation on Water Environment(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2006年第04期
Page:
92-96
Research Field:
Publishing date:

Info

Title:
Effect of Waste Rock Eluviation on Water Environment
Author(s):
WANG Jun-tao1XIE Juan2ZHANG Yi-qian2
1. Chinese Institute of Geological Envieonment Inspection, Bejing 100081, China; 2. School of Environmental Science and Engineering, Chang’ an University, Xi’an 710054, Shaanxi, China
Keywords:
waste rock mineral resource development groundwater pollution eluviation water environment
PACS:
X75
DOI:
-
Abstract:
In order to study the effect of waste rock piling on water environment, the character of water quality change after the waste rock is dipped into water is analyzed by eluviation experiment. The process, mechanism and factors of derivative environmental effect of waste rock is investigated. The dynamic change mechanisms of SO2 -4, gross rigidity, micromental irons in acidic solution are discussed, which are usually neglected. It was pointed out that waste rocks not only make the water acid, but also make SO2 -4and gross rigidity increase, and waste rocke should be piled up reasonably, and the local geographical, climatic and hydrographical conditions must be considered when piling, which can insure the reduction of environmental pollution.

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Memo

Memo:
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Last Update: 2006-12-20