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:2006-01-22 :2006-08-01:(1971-),,,,E-mail:iempf@163.com潘 锋,浦定艳,王连军(, 210094) :EGSB。,COD;;pH;。:EGSB;;:S216.4;X703 :A :1000-1166(2006)04-0009-04TreatingCasingWastewaterbyEGSBReactor/PANFeng,PUDing-yan,WANGLian-jun/(InstituteofEnvironmen-talEngineeringofNanjingUniversityofScience&Technology,Nanjing210094,China)Abstract:AstudywasconductedonEGSBreactortreatingcasingwastewater.PretreatmentprocessofreducingTSScouldimprovetheCODremovalefficiency.Degradationofdissolvedproteinwasrapid,andsonotalimitingstep.DegradationproductshadtheeffectofbufferinguponpHinthereactor.Thegranulationofanaerobicsludgeintreatingcasingswastewaterwasslow.Keywords:EGSBreactor;casingwastewater;anaerobictreatment ,。,、、,。,、、、、、UASB[1]。,,,。、、、、,[2],,EGSB,,,EGSB。1 1.1 分析项目及方法CODCr:(15);BOD5:;pH:;:;SS:;:[3],,UN-1100;ECP:—;:。1.2 反应器及接种污泥1.2.1 EGSB,1。,3L,1165mm,50mm,10,85mm。30℃。1.2.2 ,TSS10.67g·L-1,VSS8.025g·L-1,VSS/TSS0.752;,,,,50%。1 EGSB9ChinaBiogas2006,24(4)1.3 试验方法,。COD。2 2.1 废水水质分析、。,,,。,1()。,COD,,,。 1 ()(:mg·L-1)CODCrSSpHBOD5Cl-1536—6.2247—70041395746.3748—72131358220506.13876211114258 ,2。,,280nm,,、、,。,。3。3700~3300cm-1,-OH,-NH,-NH2;2800~2900cm-1-CH;CC,CO1650cm-1;C-N1250cm-1;C-C1060cm-1。,。2.2 盐对反应器运行的影响2 ,。3,COD,4。3 4 5 15,COD2500~3000mg·L-1,12h,9000~9500mg·L-1,30℃,COD,7%~10%;,,2.6mol·L-142mol·L-1,68,8mol·L-137mol·L-1(5)。,,,,,,。16,10ChinaBiogas2006,24(4)COD,COD2000~2500mg·L-1,3200~3680mg·L-1,4。,COD,,Cl-。COD7500mg·L-1,60,COD70%,,2900~3100mg·L-1。,,[4]。,,,,,,,,,COD。[5~7],NaCl8300mg·L-1。,COD,COD。,,,、COD。2.3 反应器pH变化,,[8]。NH3pH。pH6。,15,pH6.9~7.3,7.3~7.8,,,NH3,pH,,pH。,,pH,7.3~7.7。,,,pH。280nm(7),,8h,950mg·L-1,540mg·L-1,43.2%。,。6 pH7 、2.4 固体悬浮物对去除率的影响,、,,、。,、,。,,,,,,。,2。6.5%,12.6%;66.7%。、,3。,TSSVSS,,,,,。VSS/TSS,。11ChinaBiogas2006,24(4)2 、 TSS(g·L-1)10.6711.360.870.29VSS(g·L-1)8.0259.04——VSS/TSS0.7520.80——3 TSS(g·L-1)VSS(g·L-1)VSS/TSS22.7316.300.71720.1114.400.716 。。,10%~20%。,,,,。,,。,,,COD(4)。,4。4 CODCr(mg·L-1)SS(mg·L-1)BOD5(mg·L-1)pH86549672031.76.9486087985.26.991554230.27.4%81.237.976.6— ,,,87mg·L-1,COD,BOD,COD16%,81.2%。,EGSB,。2.5 厌氧污泥变化情况、、(ECP)、。,,。5。5 ECP (mm)0.50.5~1.01.0~2.02.0ECP(mg·gVSS-1)37.4%58.5%4.1%012.67010.4%43.5%45.5%0.6%40.5704.8%31.4%60.2%3.6%31.6 0.5mm0.5~1.0mm,37.4%58.5%,1.0~2.0mm4.1%,2.0mm。70,,(5)。5,。1.0~2.0mm,60.2%;2.0mm3.6%。,,1.0~2.0mm43.5%;2.0mm0.6%。,ECP,,,,,,。,,。,,。:[1] ,.[J].,1986,(11):17-18.[2] .[M].:,1991.41-78.[3] ,,.[M].:,1992.[4] GauthierMJ,FlatauGN,BreittmayerUA.Protectiveeffectofglycinebetaineonsurvivalofescherichiacolicellsinma-rineenvironment[J].WatSciTech,1991,24(2):129-132.[5] KincannonDF,GaudyAF.Responseofbiologicalwastetreatmentsystemstochangeinsaltconditions[J].JBiotechBioeng,1968,10(4):483-496.[6] HamodaMF,AI-AtlarIMS.Effectsofhighsodiumchlorideconcentrationonactivatedsludgetreatment[J].WatSciTech,1995,31(9):61-72.[7] ,,.[J].,1995,16(4):3-7.[8] .[M].:,1998.12ChinaBiogas2006,24(4)
本文标题:肠衣废水的厌氧生物处理潘锋
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