TECHNOLOGY ON IRON REMOVAL FROM COAL MINE DRAINAGE
Zhou Xuhong Zhou Rulu Qiu Xinlin (Hangzhou Environmental Protection Research Institute, CCRI, Xiaoshan, Zhejiang, 311201)
This paper analyzes the iron removal mechanism in contact oxidation filtration method from the source, distribution and occupied form of iron in coal mine drainage. According to the ways of aeration, sellection of filtering material, flushback conditions and definite parameter and so on. this paper also introduces the technical key to remove iron from coal mine drainage in contact oxidation filtration method and demontrates the feasibility and reliability of the technic combining with the practice.