학술논문
PVDF/PSA管式复合纳滤膜的制备优化及性能研究 / Study on Preparation Optimization and Performance of PVDF/PSA Tubular Composite Nanofiltration Membrane
Document Type
Academic Journal
Author
Source
水处理技术 / Technology of Water Treatment. 49(12):108-112
Subject
Language
Chinese
ISSN
1000-3770
Abstract
通过哌嗪(PIP)和1,3,5-苯三磺酰氯(TSC)在不同无纺布的PVDF管式超滤膜上界面聚合制备PSA管式纳滤膜,研究了助溶剂对PSA管式纳滤膜性能的影响.与PA管式纳滤膜相比,PSA管式纳滤膜在20wt％硫酸、2.5wt％硝酸、pH=0盐酸、lwt％和5wt％氢氧化钠中浸泡一个月性能不变;对不同pH的染料截留率达到92％以上;在酸性硫酸铜溶液中,有着92％的硫酸铜截留率,且能长期稳定运行.
PSA tubular nanofiltration membranes were prepared by interfacial polymerization of piperazine(PIP)and 1,3,5-benzenetrisulfonyl chloride(TSC)on PVDF tubular ultrafiltration membranes with different non-woven fabrics.The effect of cosolvent on the performance of PSA tubular nanofiltration membranes was studied.Compared with PA tubular nanofiltration membrane,PSA tubular nanofiltration membrane has the following advantages:20wt％sulfuric acid,2.5wt％nitric acid,pH=0 hydrochloric acid,lwt％and 5wt％The properties remain unchanged after soaking in sodium hydroxide for one month;The retention rate of dyes with different pH was more than 92％;In acid copper sulfate solution,it has 92％copper sulfate retention rate and can operate stably for a long time.
PSA tubular nanofiltration membranes were prepared by interfacial polymerization of piperazine(PIP)and 1,3,5-benzenetrisulfonyl chloride(TSC)on PVDF tubular ultrafiltration membranes with different non-woven fabrics.The effect of cosolvent on the performance of PSA tubular nanofiltration membranes was studied.Compared with PA tubular nanofiltration membrane,PSA tubular nanofiltration membrane has the following advantages:20wt％sulfuric acid,2.5wt％nitric acid,pH=0 hydrochloric acid,lwt％and 5wt％The properties remain unchanged after soaking in sodium hydroxide for one month;The retention rate of dyes with different pH was more than 92％;In acid copper sulfate solution,it has 92％copper sulfate retention rate and can operate stably for a long time.