Abstract: Basic principle of positive osmosis technology is introduced.The research on the properties of membrane materials and the application status of positive osmosis technology in water treatment of power plant are reviewed.Common commercial osmotic membranes are listed.Research progress in polyamide film composite membrane is analyzed,including the modification by carbon nanotubes,graphene,organic skeleton,silver nanoparticles and nanofibers as well as the preparation of new membranes.The application cases of positive osmosis technology in power plants in the world are briefly described.Practical application of positive penetration technology in coal-fired power plant wastewater treatment shows that it has feasibility in treating with desulphurization wastewater with complex salts.From the points of treatment effect and economic benefit,positive penetration technology has a bigger superiority in pretreatment of desulfurization wastewater,and is a promising one of the zero discharge power plant water treatment technology in the future.
祁伟健, 张胜寒, 王若彤, 王智麟, 董旭明. 正渗透膜研究进展及其在电厂水处理中的应用[J]. 现代化工, 2022, 42(1): 85-89.
QI Wei-jian, ZHANG Sheng-han, WANG Ruo-tong, WANG Zhi-lin, DONG Xu-ming. Research progress in positive permeation membrane and its application in water treatment in power plant. Modern Chemical Industry, 2022, 42(1): 85-89.
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