Abstract
The paper aims to study the typical environmental impact of coal gangue around Pingdingshan area and proposes some measure to protect environmental. The paper collects mass data and field surveys in order to analysis the impact on the environment. The paper analyzed its environmental impact respectively from four stages: from production to transport to a gangue dump, gangue piled up, coal gangue sold and transport, coal gangue comprehensive utilization. And it proposed relevant suggestions to reduce pollution specific to each stages. Finally, considering the environmental protection and commercial value, proposed a method, called Assignment Coefficient method, to find a best way to utilize the coal gangue. The best way is to produce cement, bricks. Finally it put forward seven words to protect and manage the environment: "reduction", "airtight", "selection", "prevention", "excellent", "new", "legislation".
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