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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > 超滤膜净化有机废水及在线水力清洗对膜污染的影响王旭东
Purificationoforganicwastewaterbyultrafiltrationandtheeffectsofon-linebackwashonmembranefoulingWangXudong,LiangYulong,WangLei,WeiNa(SchoolofEnvironment&MunicipalEngineering,Xi’anUniversityofArchitectureandTechnology,Xi’an710055,China),,,(,710055)[]。:,。,,;,。[];;;[]X703.1;TQ028.8[]B[]1005-829X(2010)03-0048-03Abstract:ThetreatmenteffectionoforganicwastewatercontaininghumicacidhasbeenstudiedbyusingPANhol-lowfiberultrafiltrationmembraneundertheconstantpressureoperatingprocess.TheresultsshowthatUFcanre-moveturbiditysubstancesalmostcompletelyandremovenaturalorganicsubstancespartlyfromthewastewater.Theincreasedbackwashfrequencycouldgreatlyslowdownthedecreaseofmembranefluxwiththesameamountofbackwashwater.Frequenton-linehydrauliccleaningcouldeffectivelyremovethecontaminationsonmembranesur-face,whichreducesmembranefouling.Keywords:ultrafiltration;membranefouling;on-linecleaning;organicwastewater[]973(2008CB417211);(2009ZX07212-002-004);(SJ08-ZT07);(09JK543)21,,,,,。,,,,,〔1〕。,〔2〕。,,〔3〕。,,,。11.11,30ku。5μm,。,30kPa,75kPa,15kPa,80%。,0.4g/LNaOH+5mg/LNaClO,30320103IndustrialWaterTreatmentVol.30No.3Mar.,201048——2010-03,30(3),,1。,、、,、、。1.2,UV2540.130cm-1,pH7.5,6.2NTU,TOC7mg/L。、、、。,〔4〕。1.3TOCTOC-5000A;UV254UV2100;SZD-2。22.12。2:5.89~6.32NTU,0.26~0.79NTU,86%~96%,。2.2UV254UV254()。200~400nm,,。,,250~260nm。、、,,254nm,UV254。:,,3ku。UV254,、,UV254。UV2543。3:,UV2540.127~0.133cm-1,UV25437%。。2.3TOCTOCUV254。TOC,23UV25411—;2—;3—;4—;5—。,:1/kPa/min/kPa/s/kPa/s130207540152023030756015303306075120156043049——2010-03,30(3)TOC,4。4:TOC6.973~7.268mg/L,TOC28%,UV254,TOC,,,TOC。2.4,TMP,()。,25℃,Jv/J0。,5。5:,。,,6。6:,,,。,,〔5〕。W.D.Mores〔6〕,,。3(1),86%~96%,37%,28%。(2),。(3),,,,。[][1],.———[J].,2007,33(4):1.[2],,,.[J].,2006,32(7):20-22.[3],,,.[J].,2006,32(6):21-26.[4],.[J].,2001,17(10):1-4.[5],.[J].,2003,19(8):54-55.[6]MoresWD,BowmanCN,DavisDH.Theoreticalandexperimentalfluxmaximizationbyoptimizationofbackpulsing[J].J.Membr.Sci.,2000,165(2):225-236.4TOC[](1979—),2001,,。:13359243197,E-mail:xudongw7904@163.com。[]2009-10-29()5Jv/J06Jv/J0《》50——
本文标题:超滤膜净化有机废水及在线水力清洗对膜污染的影响王旭东
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