Application development of reverse osmosis membranes

Reverse osmosis(RO) is a liquid separation technology with properties of high efficiency,low energy con-sumption and easy operation.Compared to traditional methods of wastewater treatment,reverse osmosis mem-brane technology has many advantages,such as seawater and brackish water desalination,the circulatory use of wastewater and recovery of useful substances.Research and development of reverse osmosis membrane fil-tration techniques in the treatment of seawater and brackish water desalination,preparation of pure water,sewage treatment,foodstuff processing are introduced,respectively.In addition,the prospect of these tech-niques is also discussed.