Abstract
In order to investigate the effects of mining pollution to LongJiang River and to know the situation of LongJiang River, we collected water and sludge samples along the river and analyzed the heavy metal content of samples. Results showed that LiDeFen factory and JinHe mining released most of the heavy metals to LongJiang River two years ago, and the upstream of LongJiang River also released some metal to the river. These heavy metals were precipitated to the bottom of LongJiang River by using weak alkaline chemical precipitation technology, and water quality of LongJiang River can reach the second national environmental quality standards of surface water now. The precipitation effects were different in different remediation sites.
Published Version
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