| 己内酰胺生产废水的铁碳微电解深度处理与机理研究 |
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| 引用本文： | 刘维,刘素琴,王春志,黄敬,刘耀驰.己内酰胺生产废水的铁碳微电解深度处理与机理研究[J].环境工程,2011(Z1). |
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| 作者姓名： | 刘维 刘素琴 王春志 黄敬 刘耀驰 |
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| 作者单位： | 中南大学化学化工学院;中国石化巴陵分公司己内酰胺事业部; |
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| 基金项目： | 湖南省节能减排重大专项(2008F1009); 水体污染控制与治理科技重大专项(2009ZX07212-001-03) |
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| 摘 要： | 采用铁碳微电解方法对己内酰胺生产废水进行深度处理,探讨了pH值、停留时间、铁碳质量比对处理效果的影响。在pH为4、停留时间为120 min、铁碳质量比为4的最佳处理条件下,COD去除率可达57.8%,色度去除率可达68.4%。微电解对己内酰胺废水的作用主要通过铁的絮凝作用,处理过程中的酸性条件、微电解的氧化还原和电场作用,从而提高其去除效率。
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| 关 键 词： | 铁碳微电解 己内酰胺 废水处理 机理研究 |
STUDY ON THE PROCESS AND MECHANISM OF ADVANCED TREATMENT OF WASTEWATER FROM CAPROLACTAM PRODUCTION BY Fe-C MICRO-ELECTROLYSIS |
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| Liu Wei Liu Suqin Wang Chunzhi Huang Jing Liu Yaochi.STUDY ON THE PROCESS AND MECHANISM OF ADVANCED TREATMENT OF WASTEWATER FROM CAPROLACTAM PRODUCTION BY Fe-C MICRO-ELECTROLYSIS[J].Environmental Engineering,2011(Z1). |
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| Authors: | Liu Wei Liu Suqin Wang Chunzhi Huang Jing Liu Yaochi |
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| Institution: | Liu Wei1 Liu Suqin1 Wang Chunzhi2 Huang Jing2 Liu Yaochi1(1.College of Chemistry and Chemical Engineering,Central South University,Changsha 410083,China,2.Caprolactam Division,Baling Branch,China Petroleum & Chemical Corporation,Yueyang 414003,China) |
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| Abstract: | Fe-C micro-electrolysis was applied for advanced treatment of the wastewater from caprolactam production.The effects of pH,residence time,mass ratio of iron to carbon influences on treating result were discussed.In the best treatment condition(pH is 4,residence time is 120 min,and mass ratio of iron to carbon is 4),the removal rate of COD reached 57.8 percent,the removal rate of chroma reached 68.4 percent.The principle to remove COD and chroma by the system was mainly due to the flocculation of Fe,also the... |
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| Keywords: | Fe-C micro-electrolysis caprolactam wastewater treatment mechanism study |
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