LIU TaoBAO MutaiLI XimingGUO ShengxueWANG Weidong

" /> 油田污水处理工艺中COD的去除研究进展

化工进展

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油田污水处理工艺中COD的去除研究进展

刘 涛,包木太,李希明,郭省学,汪卫东   

  1. 中国海洋大学海洋化学理论与工程技术教育部重点实验室;中国石油化工股份有限公司胜利油田分公司采油工艺研究院
  • 出版日期:2009-11-05 发布日期:2009-11-05

Research progress in COD removal in the process of oilfield wastewater treatment

LIU TaoBAO MutaiLI XimingGUO ShengxueWANG Weidong

  

  1. Key Laboratory of Marine Chemistry Theory and Technology,Ministry of Education,Ocean University of China;Institute of Oil Production Technology,Shengli Oilfield Filiale,SINOPEC
  • Online:2009-11-05 Published:2009-11-05

摘要: 概述了油田污水的组成特点,并从近年来聚合物驱油和三元复合驱油产生污水带来的新问题出发,阐述了油田污水处理的难点所在。同时对当前油田污水处理工艺流程特点、实际工艺中存在的不足等作了比较,得出当前油田污水处理过程中工艺流程的选择标准和目标。重点对工艺处理中的絮凝沉降、生化处理以及膜法处理等不同的工艺流程中COD的去除进行了研究,通过比较各种方法得出在油田污水处理中利用生化法和膜处理方法的有机结合将是油田污水处理的主要发展方向。同时对当前油田污水处理中亟待需要解决的问题作了进一步表述。

Abstract: The composition of oilfield wastewater is briefly introducedand the difficulty in the wastewater treatment is dicussedespecialy that derived from the polymer flooding and alkali-surfactant-polymer flooding techniques widely used in recent years. The characteristics of the wastewater treatment technological processes are describedand their shortcomings in practical application are comparedthrough which the criterion and target for the process of oilfield wastewater treatment are obtained. Especiallythe removal of COD in different treatment processes is discussed and comparedincluding flocculating settingbiological treatment and membrane treatment. It is suggested that the combination of biological method with membrane technique would be the major trend for oilfield wastewater treatment. Finallythe urgent issues that needed to be resolved in the disposal of oilfield wastewater are described.

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