Bioinspired membranes for multi-phase liquid and molecule separation
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摘要:
Water pollution is a serious problem around the world.It causes the lack of clean drinking water and brings risks to human health.Membrane technology has become a competitive candidate to treat the contaminated wastewater due to its high separation efficiency and low energy consumption.In this review,we introduce the recent development of several kinds of bioinspired separation membranes,involving the membrane design and applications.We emphasize the multi-phase liquid separation membranes inspired from nature with special wettability applied for oil/water separation,organic liquids mixture separation,and emulsion separation.After separating multi-phase liquids using these membranes,small molecule pollutants still exist in singlephase liquid.Therefore,we also expand the scope to small molecule-scale separation membranes,such as the nacre-like graphene oxide separation membrane and other nanofiltration membranes.Summary and outlook concerning the future development of separation membranes are also introduced briefly.