一、矿区环境状况１劣质煤堆积对矿区环境造成的危害。矸石、煤泥等劣质煤为煤矿生产、洗选加工过程中排放的废弃物，其累计堆存量已达３０亿ｔ，占地８００～１２０００公顷，并且每年以１２～２０亿ｔ（其中洗选加工过程中产生６０００～７０００万ｔ左右）及占地... First, the environmental conditions of the mining area 1  low-quality coal accumulation on the mining environment caused by the harm. Waste rock such as gangue and slime is the waste discharged during coal processing and washing and processing. Its accumulated stock has reached 3 billion tons and covers an area of ​​800-12000 hectares. (Of which washing process produces 6000 ~ 70 million t or so) and covers an area of ​​...