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综述了超滤技术的发展概况。介绍了国内外几种较新的分离膜和膜工艺以及超滤技术应用于润滑油脱蜡溶剂回收领域中的研究进展
The development of ultrafiltration technology is reviewed. The research progress of several newer separation membranes and membrane processes at home and abroad and the application of ultrafiltration technology in the recovery of lubricating oil dewaxing solvents