As one of the coal mining wastes, coal gangue is the largest amount of emissivity in China mining districts.

煤矸石是我国矿山排放量最大的废渣之一。

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Base on the simulation experiments, hazardous minor element from coal mining wastes are studied in relation to their forms of occurrences and contents in coal mining rocks.

在静态模拟试验的基础上，研究了有害元素从煤矸石中浸出的浓度与其在煤矸石中的含量和赋存状态的关系。

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Based on analyzing of coal solid wastes such as refuse in heaps of Nantong Mining Corporation Ltd., this paper puts forward effective utilizing measure according to the property.

针对南桐矿业公司目前堆积在矸石山的煤矸石等煤炭固体废弃物进行取样分析，并根据其性质提出可有效利用的途经。

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Mines allowed to restart would have to take measures to prevent any run-offs of mining wastes into water bodies and comply strictly storage and transport rules, he added.

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But in the wastes of other mining processes.

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