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Modification of Neutralization Treatment Plant with Calcium Oxide for Copper Mine Acid Wastewater
Author(s): 
Pages: 287-290
Year: Issue:  5
Journal: ENVIRONMENTAL PROTECTION OF CHEMICAL INDUSTRY

Keyword:  氧化钙中和沉淀铜矿废水处理;
Abstract: 介绍了用氧化钙二次中和沉淀法处理铜矿酸性废水的工艺流程、主要设备和处理效果.针对矿山不断开采带来的废水水质变化和处理装置存在的新问题,对工艺路线、斜板沉淀池、石灰消和机等进行了改造.改造后的运行结果表明,出水水质达到GB8978-1996二级排放标准,节约运行费用15 万元/a,沉淀池大修期从4 a延长到6 a,减少石灰用量8%,增加废水处理量1.5×105 m3/a.
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