| 水解酸化—膜生物反应器处理油田采油污水实验 |
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| 引用本文： | 杜荣光.水解酸化—膜生物反应器处理油田采油污水实验[J].油气地质与采收率,2011,18(5). |
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| 作者姓名： | 杜荣光 |
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| 作者单位： | 中国石化股份胜利油田分公司,山东东营,257001 |
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| 基金项目： | 中国石化股份科技攻关项目“油田采出水综合处理及回用研究”(309061) |
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| 摘 要： | 针对采油污水成分复杂、化学需氧量高和可生化性差等特点,采用水解酸化—膜生物反应器处理油田采油污水,研究了水解酸化对污水可生化性的影响,考察了水解酸化—膜生物反应器对油田采油污水的处理效果.实验结果表明:当水力停留时间为8-10 h时,水解酸化可将污水生化需氧量与化学需氧量的比值提高至0.44,化学需氧量去除率达34％.水解酸化—膜生物反应器对油的去除率大于96％,对采油污水化学需氧量的去除率大于70％,对悬浮物去除率大于98％,出水水质好.采用扫描电镜能谱分析和荧光分析法对膜表面污染物进行分析后认为,生物粘泥及钙、铁等离子形成的硬垢是造成膜污染的主要因素.通过清洗方法对比研究,确定了水洗—碱洗—酸洗的清洗工艺,该方法使膜通量恢复率达99.2％.
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| 关 键 词： | 采油污水 水解酸化 可生化性 膜生物反应器 膜污染 膜清洗 |
Studies on membrane bioreactor for oilfield waste water treatment |
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| Du Rongguang. Shengli Oilfield Company,SINOPEC,Dongying City,Sh,o'ng Province,China.Studies on membrane bioreactor for oilfield waste water treatment[J].Petroleum Geology and Recovery Efficiency,2011,18(5). |
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| Authors: | Du Rongguang Shengli Oilfield Company SINOPEC Dongying City Sh o'ng Province China |
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| Affiliation: | Du Rongguang. Shengli Oilfield Company,SINOPEC,Dongying City,Shando'ng Province,257001,China |
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| Abstract: | In view of the high COD concentration,complex components and weak biodegradability of oilfield wastewater,a combined process of hydrolytic acidification-MBR is used for treatment of oilfield wastewater,and the treatment performance is studied herein.The results show that the acidification reactor can significantly improve the BOD_5/COD ratio of oilfield wastewater,under the conditions of HRT 8-10 h,the BOD_5/COD ratio can reach 0.44,and the average removal efficiencies of COD are 34%.The acidification-MBR c... |
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| Keywords: | oilfield waste water hydrolytic acidification biodegradability membrane bioreactor(MBR ) membrane pollution membrane cleaning |
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