高铁酸钾作为混凝剂处理矿井水的试验研究  被引量:2

Experimental Study on Using Potassium Ferrate as a Coagulant for Mine Water Treatment

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作  者:苑志华[1] 桂和荣[2,1] 何文丽[1] 

机构地区:[1]安徽理工大学地球与环境学院,安徽淮南232001 [2]宿州学院,安徽宿州234000

出  处:《矿业安全与环保》2009年第3期13-16,共4页Mining Safety & Environmental Protection

基  金:安徽省自然科学基金项目(070414168);安徽省高等学校省级自然科学研究项目(KJ2007A070)

摘  要:考察在不同用药量、pH值、温度、氧化时间和絮凝沉淀时间条件下,高铁酸钾对矿井水的絮凝效果,并分析了其对水中溶解性总固体(TDS)和色度的去除程度,同时,对高铁酸钾和聚合氯化铝(PAC)的絮凝效果作了对比分析。结果表明,在高铁酸钾与悬浮物的含量比达到约0.73、pH=4、氧化时间10 min、絮凝时间10 min和沉淀时间1 h时,对矿井水浊度和悬浮物的去除率可达到94%以上;并确定了高铁酸钾处理TDS无效果,但对色度有较好的处理效果,其絮凝效率也比PAC高。Under the conditions of different doses,pH value,temperature,the time of oxidation and flocculation,study was made on the flocculation effect of potassium ferrate on the mine water,analysis was conducted on the the removal degree of TDS and chroma from the mine water,meanwhile,comparative analysis on the flocculation effect of potassium ferrate and PAC was also conducted.The results showed that the removal rate to turbidity and suspended substance can be up to 94% when the content of Potassium Ferrate and suspended substance is up to 0.73,the suitable pH value is 4,the oxidation time and the flocculation time are respectively 10 min.,and the precipitation time is 1 hour.The experiment also showed that potassium ferrate has no treatment effect to TDS in water,but better treatment effect to Chroma,and has higher flocculation efficiency than that of PAC.

关 键 词:高铁酸钾 矿井水 混凝 可饮用化 

分 类 号:TD926.5[矿业工程—选矿] X752[环境科学与工程—环境工程]

 

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