UASBMBR联合工艺处理亚麻沤制废水的实验研究康海笑

22220063WATERRESOURCESPROTECTIONVol.22No.2Mar.2006　　:(1980—),,,,。E-mail:[e-mail]-MBR,,(,　650093):亚麻沤制废水是高浓度有机废水。由于木质素等难降解物质的存在,给亚麻沤制废水的处理带来了很大难度。实验研究表明,采用UASB-MBR联合工艺对其进行处理,在适当的条件下,出水中有机物质浓度和SS达到当地废水排放标准,木质素类物质去除率在84.9%以上,从而得到很好的环境效益和社会效益。:亚麻沤制废水;上流式厌氧污泥床;膜生物反应器;废水处理:X703　　　:B　　　:1004-6933(2006)02-0071-03StudyonflaxrettingwastewatertreatmentusingUASB-MBRmethodKANGHai-xiao,CHENJian-zhong,ZHOUMing-luo(DepartmentofEnvironmentalScienceandEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China)Abstract:Flaxrettingwastewaterisorganicwastewaterofhighconcentration.Treatmentofflaxrettingwasterhasalwaysbeenadifficulttopicbecauseofrefractoryorganicssuchaslignin.ExperimentsusingUASB-MBRshowedthattheconcentrationsoforganicmatterandSSwereuptothewastewaterdischargestandard,andtheremovalrateofligninwasover84.9%.Thetechniquewillhelptoincreasetheproductionofflaxwithbetterenvironmentalandsocialbenefits.Keywords:flaxrettingwastewater;upflowanaerobicsludgeblanket(UASB);membranebioreactor;wastewatertreatment1　1.1　,1。,。1　ρ(CODCr)/(mg·L-1)ρ(BOD5)/(mg·L-1)ρ()/(mg·L-1)ρ(SS)/(mg·L-1)pH/℃6000～68003000～3500140～180600～7005.5～6.528～32658832481556.51.2　CODCr,BOD5,,SSpH。[1];280nm[2]。1.3　1。:,15L;:,5L;:,,0.05μm,0.35m,2m2;:ACO—004,58W,70L/min,0.035MPa,;:1ZDK—14,330kW,6m3/h,6～8m,。·71·1—;2—;3—UASB;4—;5—;6—;7—;8—;9—;10—;11—1　UASB-MBR2　MBR1.4　。(MBR)。,(UASB)。UASB12h,UASBMBR。MBR,,,,。。2　2.1　UASB2.1.1　UASB的主要工艺参数12h,CODCr0.4～0.45kg/(m3·d),24～27℃。2.1.2　实验结果UASB2。2,MBR,UASB,,ρ(CODCr)1700～2200mg/L,ρ(BOD5)720～1000mg/L,90～130mg/L,,。2　　ρ(CODCr)/(mg·L-1)ρ(BOD5)/(mg·L-1)ρ()/(mg·L-1)pH6000～68003000～3500140～1805.5～6.565883248154.86.11698.55～2123.19713.14～987.5283.38～129.125.8～6.81907.84800.5899.506.70/%64.6～75.167.1～79.67.8～48.6/%71.175.435.72.2　MBR2.2.1　MBR的主要工艺参数5L,4h,0.05μm,0.35m,2m2。2.2.2　实验结果UASBMBR,MBRCODCr,BOD52。2(a)2(b),,ρ(CODCr)1698.55～2123.19mg/L,ρ(BOD5)713.14～987.52mg/L,,ρ(CODCr)74.15～99.37mg/L,MBRCOD92%,ρ(BOD5)16.86～28.32mg/L,BOD597%,。,,;[3],,;,,MBR,MBR,。2(c),MBR,83.38～129.12mg/L11.06～21.04mg/L,74%。·72·,,MBR,60%[4],;,700mg/L[5],,。,,。2.2.3　MBR对SS和色度的去除SS,,。3　　a.,ρ(CODCr)6000～6800mg/L,ρ(BOD5)3000～3500mg/L。UASB-MBR,ρ(CODCr)74.15～99.37mg/L,ρ(BOD5)16.86～28.32mg/L,CODCr98%,BOD599%。,。b.140～180mg/L,UASB-MBR11.06～21.04mg/L,84.9%,。c.UASB-MBR,SS,SS100%,。:[1].[M].4.:,2002:210,227,102,88,102.[2].[M].:,2001:12.[3].[J].,1997,7(1):6-9.[4],,,.[J].,2004(24):224-226.[5],,.、[J].,2004,5(6):36-38.[6],,,.——SBR[J].,2002,4(4):32-33.(:2004-10-23　:)(上接第32页),COD,NH3-N,TP30.2%,6.7%,27.8%。,BZ,。:,NH3-NNO-3,,,pH,BZ,。3　　a.BZ0.1～0.8mg/(L·d),0.4mg/(L·d),COD,NH3-N,TP25.0%,77.6%,26.1%。b.BZ,,。BZ0.4mg/(L·d),COD,NH3-N,TP30.2%,6.7%,27.8%。c.BZ。d.,,BZ0.4mg/(L·d),。:[1],,.[J].,2000,19(10):480-484.[2],,.[J].,2000(9):4-7,20.[3],.[J].,2002,24:15,20.[4].[N].,2004-11-23(4).[5].[J].,2003,S1:55-57,76.(:2004-12-10　:)·73·