| 悬浮法聚氯乙烯化工离心母液的生化处理中试 |
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| 引用本文： | 周长波,周蕴,张振家.悬浮法聚氯乙烯化工离心母液的生化处理中试[J].环境科学,2005,26(3):100-105. |
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| 作者姓名： | 周长波 周蕴 张振家 |
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| 作者单位： | 南开大学环境科学与工程学院,天津,300071;上海交通大学环境科学与工程学院,上海,200030 |
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| 摘 要： | 采用4级内循环式好氧生物膜反应器串联工艺对悬浮法聚氯乙烯(PVC)离心母液废水进行中试试验,研究了不同停留时间下系统对有机物和浊度的处理效果以及系统的抗冲击能力;观察了生物膜的生长和发展规律;对影响系统稳定运行的主要因素(悬浮物、摇蚊幼虫和营养物)进行了分析,并提出了相应的控制措施.试验结果表明:该工艺启动迅速,在HRT为14h时,废水COD总去除率可达75%以上,出水COD浓度低于50mg/L ,完全可以达到排放标准,也可经深度处理回用于生产.
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| 关 键 词： | 聚氯乙烯 离心母液 生化处理 好氧生物膜 影响因素 摇蚊幼虫 |
| 文章编号： | 0250-3301(2005)03-0100-06 |
| 收稿时间： | 2004/6/30 0:00:00 |
| 修稿时间： | 2004/8/22 0:00:00 |
Pilot Study on the Biochemical Treatment of Mother Liquid of Polyvinyl Chloride Produced by Suspension Polymerization |
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| ZHOU Chang-bo,ZHOU Yun and ZHANG Zhen-jia.Pilot Study on the Biochemical Treatment of Mother Liquid of Polyvinyl Chloride Produced by Suspension Polymerization[J].Chinese Journal of Environmental Science,2005,26(3):100-105. |
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| Authors: | ZHOU Chang-bo ZHOU Yun and ZHANG Zhen-jia |
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| Institution: | College of Environment Science & Engineering, Nankai University, Tianjin 300071, China. |
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| Abstract: | In the pilot study on the treatment of mother liquid of polyvinyl chloride produced by suspension polymerization (SPVC) by using a novel aerobic treatment system-4 cascade aerobic biofilm reactors with internal circulation, the removal efficiencies of the COD and turbidity at different HRT together with the resistance impact of the system were researched. The laws of the biological growth and the development were observed. Some primary factors(suspended solids, chironomidae larvae, nutrition)influencing the steady operation of the reactor were studied and their controlling methods were suggested. The experiment results show that the start-up period was very short and the total COD removal rate was over 75% at HRT of 14 h, the effluent less than 50mg/L can steadily meet the requirement of wastewater discharge standard and also be reused after advanced treatment. |
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| Keywords: | polyvinyl chloride (PVC) mother liquid biochemical treatment aerobic biofilm affected factor chironomidae larvae |
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