文献类型：期刊文献

英文题名：An integrated coalescence-air stripping process for deepwater gas field produced water treatment

作者：Xue, Jinwei[1];Dai, Pinyi[1];Zhang, Guangyao[1];Cao, Zhongning[1];Huang, Yaohua[1];Li, Yu[1];Liu, Yiqian[1];Lu, Hao[1];Yang, Qiang[1]

机构：[1]East China Univ Sci & Technol, Sch Mech & Power Engn, Shanghai 200237, Peoples R China

年份：2026

卷号：392

外文期刊名：SEPARATION AND PURIFICATION TECHNOLOGY

收录：;EI(收录号：20260720048304);WOS:【SCI-EXPANDED(收录号:WOS:001689708600001)】；

基金：This work was supported by National Natural Science Foundation of China (Grant No. 52025103) , the Xplorer Prize (Grant No. XPLORER-2022-1034) .

语种：英文

外文关键词：Produced water; Offshore platform; Coalescence; Air stripping

摘要：The exploration and development of offshore gas fields are continuously expanding into deeper sea areas. The produced water from gas field platforms has complex organic components, which poses significant challenges to the discharge of produced water and the increase of natural gas production. Based on a comprehensive analysis of the produced water characteristics from the platform, it is found that the produced water contains a large number of submicron-sized oil droplets with strong stability. Therefore, this study explored the feasibility of the integrated coalescence-air stripping physical treatment method. Among them, the composite fiber knots (CFK) coalescing filter can efficiently disrupt the stability of emulsions and remove oil from water. The air stripping effectively enhances the evaporation of volatile organic compounds. The results of the on-site tests show that this integrated physical process has excellent separation efficiency for different types of produced water, and the oil content in the process effluent can be reduced to 35 mg/L during long-term operation. This integrated coalescence-air stripping process not only successfully provides a promising technical solution for the produced water treatment, but also offers strong support for promoting clean production and ecological protection