催化氧化电解-芬顿络合沉淀法处理高浓度含氰废水的半工业化试验研究  

Experimental study on the semi-industrial treatment of cyanide-containing wastewater by catalytic oxidation electrolysis-Fenton complex precipitation method

作　　者：徐忠敏 翁占平 李俊杰 王庆生[2] Xu Zhongmin;Weng Zhanping;Li Junjie;Wang Qingsheng(Zhaojin Mining Industry Co.,Ltd.;Chinese Research Academy of Environmental Sciences)

机构地区：[1]招金矿业股份有限公司 [2]中国环境科学研究院

出　　处：《黄金》2018年第4期71-74,共4页Gold

摘　　要：根据某黄金选冶厂含氰废水性质和实验室试验条件,确定催化氧化电解-芬顿络合沉淀-生化氧化联合处理新工艺的最佳参数,并进行高浓度含氰废水的半工业化试验研究。结果表明,该工艺技术上是可行的,处理后废水中总氰化合物、COD分别低于0.5 mg/L和50 mg/L,且可回收废水中有价金属铜、金和银。该工艺是一种无二次污染的节能、绿色、环境友好的含氰废水处理技术,具有良好的推广应用前景。According to the property of cyanide-containing wastewater in a gold smeltery and lab test conditions,the paper determined the optimum parameters of the innovative catalytic oxidation electrolysis-Fenton complex precipitation-biochemical oxidation combined process and carried out semi-industrial treatment of high concentration cyanide-containing wastewater.The results show that the technology is viable;total cyanide and COD in the treated wastewater are below 0.5 mg/L and 50 mg/L respectively;copper,gold and silver can be recovered from the wastewater.The process is an energy-conservative,green and environment-friendly method to treat cyanide-containing wastewater without secondary pollution,and is worth promoting.

关 键 词：含氰废水 催化氧化电解 芬顿络合沉淀 生化氧化 半工业化试验 

分 类 号：TD926.5[矿业工程—选矿]