UASBMBR联合工艺处理亚麻沤制废水的实验研究

22220063WATERRESOURCESPROTECTIONVol.22No.2Mar.2006:(1980),,,,Email:[e-mail],,(,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UASBMBR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849%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:10046933(2006)02007103StudyonflaxrettingwastewatertreatmentusingUASBMBRmethodKANGHaixiao,CHENJianzhong,ZHOUMingluo(DepartmentofEnvironmentalScienceandEngineering,KunmingUniversityofScienceandTechnology,Kunming650093,China)Abstract:Flaxrettingwastewaterisorganicwastewaterofhighconcentration.Treatmentofflaxrettingwasterhasalwaysbeenadifficulttopicbecauseofrefractoryorganicssuchaslignin.ExperimentsusingUASBMBRshowedthattheconcentrationsoforganicmatterandSSwereuptothewastewaterdischargestandard,andtheremovalrateofligninwasover849%.Thetechniquewillhelptoincreasetheproductionofflaxwithbetterenvironmentalandsocialbenefits.Keywords:flaxrettingwastewater;upflowanaerobicsludgeblanket(UASB);membranebioreactor;wastewatertreatment11.1,1,1(CODCr)/(mgL-1)(BOD5)/(mgL-1)()/(mgL-1)(SS)/(mgL-1)pH/!6000~68003000~3500140~180600~70055~6528~3265883248155651.2CODCr,BOD5,,SSpH[1];280nm[2]1.31:,15L;:,5L;:,,005m,035m,2m2;:ACO004,58W,70L/min,0035MPa,;:1ZDK14,330kW,6m3/h,6~8m,711;2;3UASB;4;5;6;7;8;9;10;111UASBMBR2MBR1.4(MBR),(UASB)UASB12h,UASBMBRMBR,,,,22.1UASB2.1.1UASB的主要工艺参数12h,CODCr04~045kg/(m3d),24~27!2.1.2实验结果UASB22,MBR,UASB,,(CODCr)1700~2200mg/L,(BOD5)720~1000mg/L,90~130mg/L,,2(CODCr)/(mgL-1)(BOD5)/(mgL-1)()/(mgL-1)pH6000~68003000~3500140~18055~6565883248154861169855~21231971314~987528338~1291258~68190784800589950670/%646~751671~79678~486/%7117543572.2MBR2.2.1MBR的主要工艺参数5L,4h,005m,035m,2m22.2.2实验结果UASBMBR,MBRCODCr,BOD522(a)2(b),,(CODCr)169855~212319mg/L,(BOD5)71314~98752mg/L,,(CODCr)7415~9937mg/L,MBRCOD92%,(BOD5)1686~2832mg/L,BOD597%,,,;[3],,;,,MBR,MBR,2(c),MBR,8338~12912mg/L1106~2104mg/L,74%72,,MBR,60%[4],;,700mg/L[5],,,,2.2.3MBR对SS和色度的去除SS,,3a.,(CODCr)6000~6800mg/L,(BOD5)3000~3500mg/LUASBMBR,(CODCr)7415~9937mg/L,(BOD5)1686~2832mg/L,CODCr98%,BOD599%,b.140~180mg/L,UASBMBR1106~2104mg/L,849%,c.UASBMBR,SS,SS100%,:[1].[M].4.:,2002:210,227,102,88,102.[2].[M].:,2001:12.[3].[J].,1997,7(1):69.[4],,,.[J].,2004(24):224226.[5],,.[J].,2004,5(6):3638.[6],,,.SBR[J].,2002,4(4):3233.(:20041023:)(上接第32页),COD,NH3N,TP302%,67%,278%,BZ,:,NH3NNO-3,,,pH,BZ,3a.BZ01~08mg/(Ld),04mg/(Ld),COD,NH3N,TP250%,776%,261%b.BZ,,BZ04mg/(Ld),COD,NH3N,TP302%,67%,278%c.BZd.,,BZ04mg/(Ld),:[1],,.[J].,2000,19(10):480484.[2],,.[J].,2000(9):47,20.[3],.[J].,2002,24:15,20.[4].[N].,20041123(4).[5].[J].,2003,S1:5557,76.(:20041210:)73