%0 Journal Article %T Study on anti-fouling properties and application of PVDF/PMMA and PVDF/TPU blend membranes
PVDF/PMMA与PVDF/TPU共混膜抗污染性能研究及应用 %A Huang Jianping %A Shao Yumin %A Liu N %A Liu Lili %A Xi Danli %A
黄健平 %A 邵玉敏 %A 刘纳 %A 刘莉莉 %A 奚旦立 %J 环境工程学报 %D 2012 %I %X SEM morphologies for novel five-bore PVDF blend modified membranes were observed.The critical fluxes of PVDF/PMMA and PVDF/TPU blend membranes were measured by the flux-step method.The filtration experiments at sub-critical flux and super-critical flux were performed.Then tubular membrane module A(PVDF/PMMA) and B(PVDF/TPU) were used to treat surface water.The results indicated that the PVDF blend modified membranes possessed excellent microstructure and the microstructure of membrane module B was better.The critical fluxes of two membrane modules were 12 L/(m2·h) and 10 L/(m2·h),respectively.The anti-fouling properties of membrane module B were better than those of membrane module A.The operating characteristic under sub-critical flux was more stable than that of super-critical flux.Two membrane modules were used to treat surface water under sub-critical flux and the effects of those with coagulation as pretreatment were studied.The results showed that the wastewater treatment performance of coagulation-ultrafiltration combination process was better than that of ultrafiltration alone process,and the wastewater treatment performance of membrane module B was better than that of membrane module A. %K blend membrane %K critical flux %K filtration experiment %K anti-fouling property %K surface water treatment
共混膜 %K 临界通量 %K 过滤实验 %K 抗污染性能 %K 地表水处理 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=92E6F4267FD4CBCB51B1E49E014D8054&jid=3567BD61129AA59043F5DE01F8815DB5&aid=8F3528AF98F227DADB0CA92EFC8A6451&yid=99E9153A83D4CB11&vid=B31275AF3241DB2D&iid=94C357A881DFC066&sid=E645E14F118D0796&eid=782B98DFA363AFCB&journal_id=1673-9108&journal_name=环境工程学报&referenced_num=0&reference_num=0