| 离子膜电解法处理环氧丙烷氯醇化尾气碱洗废水 |
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| 引用本文： | 陈慧婷,康娟,陈慧妃,赵玉明. 离子膜电解法处理环氧丙烷氯醇化尾气碱洗废水[J]. 工业水处理, 2007, 27(3): 46-48 |
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| 作者姓名： | 陈慧婷 康娟 陈慧妃 赵玉明 |
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| 作者单位： | 南京大学环境学院污染控制与资源化研究国家重点实验室,江苏,南京,210093;浙江省武义县水利水电勘测设计所,浙江,武义,321200 |
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| 摘 要： | 介绍了离子膜电解法处理环氧丙烷氯醇化尾气碱洗废水的实验研究.在不添加任何化学物质的前提下,其COD去除率可达到78%,同时可回收废水中的碱,迅速降低废水pH,碱回收率可达到73.55%,可为后续生化单元起到良好的预处理作用.
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| 关 键 词： | 氯醇法 碱洗废水 离子膜电解法 |
| 文章编号： | 1005-829X（2007）03-0046-03 |
| 收稿时间： | 2006-10-15 |
| 修稿时间： | 2006-10-15 |
Treatment of alkali washing wastewater from the propylene chlorohydrination tail gas in the preparation of propylene-oxide by ion-exchange membrane electrodialysis |
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| Chen Huiting,Kang Juan,Chen Huifei,Zhao Yuming. Treatment of alkali washing wastewater from the propylene chlorohydrination tail gas in the preparation of propylene-oxide by ion-exchange membrane electrodialysis[J]. Industrial Water Treatment, 2007, 27(3): 46-48 |
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| Authors: | Chen Huiting Kang Juan Chen Huifei Zhao Yuming |
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| Affiliation: | 1. State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210093, China; 2. The Institute of Water Conversaney Project Surveying Wuyi, Wuyi 321200,China |
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| Abstract: | A method of using ion-exchange membrane electrodialysis for treating the alkali washing wastewater from the propylene chlorohydrination tail gas in the preparation of propylene-oxide is described. Chemical oxygen demand of wastewater decreases by 78% without adding chemical. At the same time, the alkali is recycled from wastewater and the alkalinity decreases, too. The recycling ratio could arrive at 73.55%. The good pretreatment is supported by that for the following biochemical treatment. |
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| Keywords: | chlorohydrination alkali washing wastewater ion-exchange membrane electrodialysis |
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