《黄金》杂志(月刊) 第38卷 总第398期
2017年04月 第04期
目次
安全与环保
  • 含砷含铊矿坑水处理工艺及工程应用……方荣茂
  • 摘 要:贵州某矿山的矿坑水中含有毒物质砷和剧毒物质铊,通过对生物法、吸附法和化学沉淀法3种处理方法进行小型试验,最终确定化学氧化—混凝沉淀除砷除铊+化学还原法除活性氯的处理工艺。工业运行结果表明,AsTl的去除率均大于98.5 %,出水AsTl、活性氯的质量浓度符合GB 38382002 《地表水环境质量标准》规定的Ⅲ类水质标准限值,运行成本约1.81/m3
  • 关键词:砷;铊;活性氯;化学氧化;混凝沉淀;矿坑水

    Research on the treatment technology of mine pit wastewater containing arsenic and thallium and its engineering application……Fang Rongmao

    AbstractThere was toxic arsenic and highly toxic thallium in the mine pit water in a mine from Guizhou.Bench-scale tests were conducted on 3 treatment methods using bio-oxidation,adsorption and chemical precipitation and determined the combined process of "chemical oxidation-coagulating sedimentation" for arsenic and thallium removal as well as "chemical reduction" for active chlorine removal.Industrial operation results show that the removal rate of As and Tl is greater than 98.5 % and that the effluent mass concentrations of As,Tl and active chlorine meet the national standard limit value of water quality set by GB 3838-2002 Environment Quality Standard for Surface Water.The treatment process operates at the cost of about 1.81 yuan/m3.

    Keywords:arsenicthalliumactive chlorinechemical oxidationcoagulatingsedimentation;mine pit wastewater

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