曝气生物滤池处理模拟选矿废水研究  

Treatment of simulated flotation wastewater by biological aerated filter

作　　者：瞿艳芝[1] 李谦[2] 叶正芳[3] 张增杰[1] QU Yan-zhi;LI Qian;YE Zheng-fang;ZHANG Zeng-jie

机构地区：[1]北京市环境保护科学研究院生态保护与环境规划研究所国家城市环境污染控制工程技术研究中心,北京100037 [2]中国恩菲工程技术有限公司,北京100038 [3]北京大学环境科学与工程学院,北京100871

出　　处：《中国有色冶金》2018年第2期79-83,共5页China Nonferrous Metallurgy

摘　　要：以模拟选矿废水为研究对象,探讨在不同TOC浓度、水力停留时间(HRT)等条件下,曝气生物滤池(BAF)对低浓度重金属Pb、黄药(以PEX为代表)和黑药(以m-cresol为代表)的去除效果,并分析了BAF内的生物相和优势菌属。结果表明,在一定条件下,BAF对Pb、PEX和m-cresol的平均去除率均在90%以上,BAF内优势菌属是Flavobacterium cucumis、Brevundimonas sp.、Hyphomicrobium sp.和Rhodobacter sp.,说明BAF在吸附去除Pb的同时,可以实现对PEX和m-cresol的有效降解。Under the conditions of different TOC concentration and HRT, the removal efficiencies of low-concentration heavy metal（Pb）, xanthate（PEX） and aerofloat（m-cresol） from the simulated floatation wastewater by biological aerated filter（BAF） are studied, the biofacies and dominant species in BAF are also analyzed. The results show that the average removal efficiencies of Pb, PEX and m-cresol are all above 90% by BAF under certain conditions, and the dominant species in BAF are Flavobacterium cucumis, Brevundimonas sp., Hyphomicrobium sp.and Rhodobacter sp., which indicates that Pb can be biosorbed and removed by BAF, meanwhile, PEX and m-cresol can be effectively biodegraded by BAF.

关 键 词：曝气生物滤池 选矿废水 重金属 浮选药剂 优势菌属 

分 类 号：X756[环境科学与工程—环境工程]