A comparison between two ways flow (TWF) membrane filtration process and common membrane filtration process were made in a PVDF hollow fiber membraneseparationprocess.
利用聚偏氟乙烯(PVDF)中空纤维膜，对比考察了双向流膜过滤工艺与普通膜过滤工艺。
2
Compared with traditional methods for natural gas dehydration, membraneseparationprocess possesses advantages and competitiveness in working performance and economic benefit.
与传统的天然气脱水方法相比，膜分离法天然气脱水在工作性能、经济效益等方面具有优势和竞争力。
3
Distillation is achieved by boiling and then recondensing water to remove insoluble contaminants; reverse osmosis uses a membraneseparationprocess to accomplish the same purpose.