【摘要】 冷轧废液是钢铁企业中污染物的一种,酸度大,腐蚀性强,含有重金属离子,对环境危害很 大。利用铁屑与废液反应,从而回收硫酸亚铁,降低酸度,上清液达到回用目的。更多还原

【Abstract】 The cold-rolled waste liquid is one kind of the pollutant in the iron and steel enterprise, of which acidity is great and corrosion is also strong. It contains the heavy metal ion, which seriously endanger the environment. Utilizing iron filling and waste liquid to react, thus we can retrieve the green vitriol, reduce the acidity, finally have the clear liquid and achieve the retrieval and utilization purpose.更多还原