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焦化废水中有机污染物的混凝去除作用机理探讨

The mechanisms of organic pollutants removal in coking-plant wastewater by coagulation

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【作者】 卢建杭王红斌刘维屏

【Author】 LU Jian hang, WANG Hong bin, LIU Wei ping (Chemistry Department, Zhejiang University, Hangzhou 310027, China)

【机构】 浙江大学化学系!浙江杭州310027

【摘要】 烧杯搅拌实验和混凝前后水样中有机污染物的GC/MS分析结果表明 ,焦化废水中有机污染物的混凝去除机理主要是络合沉降和絮体吸附。各有机污染物的去除率与其分子结构密切相关 ,易在氢氧化物絮体上吸附或具有络合基团且无空间位阻的有机污染物 ,易被混凝去除。

【Abstract】 The results of jar stirring test and the concentration change of each organic compound detected by GC/MS analysis in source and after treatment wastewater suggest that organic pollutants are mainly removed by complex sedimentation and floc adsorption mechanisms. The removal rate of each organic pollutant is highly depending on its molecular structure. Generally, organic pollutant having a strong ability to adsorb on hydroxide flocs or having a complex function group without steric hindrance is easy to be removed.

  • 【文献出处】 工业水处理 ,INDUSTRIAL WATER TREATMENT , 编辑部邮箱 ,2000年06期
  • 【分类号】X784
  • 【被引频次】107
  • 【下载频次】514
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