Huainan is a coal city with a mining history of hundreds of years.Heavy metals pollution aroused due to large amount of coal gangue accumulating in coal mine.

• 摘要淮南是一个开采历史达百年的煤炭城市，由于煤矿的开采，煤矸石在地表大量堆积，对矿区周围环境造成了不同程度的重金属污染。