Inventors: Liu LF
, Zheng GH
, Yang FL
Absorption catalysis purification separation composite function film for removing contaminant in water and water purification method
Publication date: 2008
The invention relates to a composite functional membrane with adsorption, catalytic purification and separation functions for removing pollutants from water, belonging to the technology field of environment and chemical engineering. The method comprises the steps of doping titanium oxide and other coating separation membranes in adsorbing materials (carbon materials, inorganic materials and molecular imprinting materials to obtain a composite functional membrane with adsorption, catalytic purification and separation functions; and adsorbing pollutants with the membrane, separating, oxidizing and mineralizing the absorbed pollutants to regenerate the purification and adsorption functions of the membrane. The inventive method improves pollutant adsorption and catalytic oxidation efficiency; and preventes the pollution of oxidized byproducts to the quality of effluent water after membrane separation, so as to be safer when being used for drinking water purification. The inventive method has the advantages of high efficiency, complete removal of pollutants, low pollution and low energy consumption; and can be used for purifying water bodies such as slightly polluted water, recycled water or water containing low-concentration trace organic pollutants.
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