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当前位置:首页 > 商业/管理/HR > 企业文化 > UASB生物接触氧化絮凝沉淀法处理皂素废水张志扬
UASB--张志扬1,李江华1,贾丽云1,谭 丁2(1.天津市环境保护科学研究院,天津 300191;2.天津大学,天津 300072) :UASB-—,,UASBCOD80%,COD60%,COD60%。:;UASB;;:X703 :A :1002-1264(2003)-0032-03ExperimentalStudyonSaponinWastewaterTreatmentwithCombinationProcessofUASB-Bio-ContactOxidation-FlocculationandSedimentationZHANGZhi-yang1,LIJiang-hua1,JIALi-yun1,TANDing2(1.TianjinAcademyofEnvironmentalSciences,Tianjin 300191,China2.TianjinUniversity,Tianjin 300072,China)Abstract:CombinationprocessofUASB-Bio-ContactOxidation-FlocculationandSedimentationwasusedforthesaponinwastewatertreatment.TheresultsshowthattheremovalrateofCODoftheUASBanaerobicreactorcomesuptoover80%,andtheremovalrateofCODofthebio-contactoxidationistoover60%,andtheremovalrateofCODoftheflocculationandsedimentationreachesuptoover60%,withstableanddependableresults.ThetestdemonstratethatthecombinationprocessofUASB-Bio-ContactOxidation-FlocculationandSedimentationise-conomicallyfeasibletothetreatmentofhighstrengthsaponinwastewater.Keywords:saponinwastewater;UASBanaerobicreactor;bio-contactoxidation;flocculationandsedimentation ,。、、SO42-,,,,CODCr30000~40000mg/l,pH1。pH,CODCr3000~4000mg/L,CODCr13000~24000mg/L,。,UASB--,150d。、、SO42-UASB,。1.1.1 1。1 1.2 (UASB),1。1 UASB(L)105(m)0.60.650.150.10(g/L)6~72~3(℃)35~40020~300pH6.5~7.86~91.3 321620036URBANENVIRONMENT&URBANECOLOGYVol16,SupplJun. 2003 :2003-02-02。:CODCr:15000~24000mg/L,BOD5:8000~11000mg/L,SO42-:400~800mg/L,SS:300~450mg/L,:15.32~25.53mg/L,:4.06~6.77mg/L,pH7.0~8.0,≤300。:(GB8978-1996)。1.4 UASB。50%,6~7g/L,20%,2~3g/L。、,。(CODCr5000mg/L),COD1.0kg/(m3.d),COD,。,20℃,35℃。,5~6d,,。COD2.5kg/(m3.d),COD80%,。1.5 、、pH、、CODCr、BOD5、SO42-。,。,UASBpH。。2 ,,,,。,COD5000~15000mg/L,20,COD15000mg/L,,。2.1 2.1.1 UASBCODUASBCOD2。2 UASBCOD2,,UASBCOD80%。COD15000~24000mg/L,COD1500~4000mg/L。COD10kg/(m3.d),COD6~7kg/(m3.d)。2.1.2 COD,COD1500~4000mg/L。COD3。3 COD3,COD1500~4000mg/L(),COD700mg/L,1200mg/L。COD60%,,,,2、3。2 COD(mg/L)COD(mg/L)(%)10578402189474017959748223 COD(mg/L)BOD5(mg/L)BOD5/COD1560597680.63239810250.43910410.05 2、3,,BOD541mg/L,,。,33, UASB-- 。2.1.3 COD pH4~5,Fenton(FeSO4H2O2),1.5hCOD,4。4 COD(mg/L)()COD(mg/L)()COD(%)(%)594128225646250586120205646647862256260807069837256203647675:。 4,COD60%,COD300mg/L。50%,80。(GB8978-1996)。2.2 ,[2]。 ,5%NaOHCO2、H2S,CH4,5。5 mL/hmL/gCODCH4mL/hmL/gCODCH4/1988473 78537679%21275566 76033860%:20℃。 5,COD338~376mL,(20℃:376mL/gCOD[2]),60%~79%,,。3 3.1 3.1.1 Rinzemalettinga[4],COD/SO42-10[1]。,COD/SO42-10,COD/SO42-。 ,,H2S150mg/L[1]。,SO42-456.8mg/L,SO42-45mg/L,S2-31.9mg/l,,H2S,H2SMB。,UASBCOD80%,。,MB,SRBMB。3.1.2 pH pHVFA(),VFA[2]。 ,,4H,pH7.0~8.05.5~6.0,,VFApH,“”。,,NaHCO3PHHCO3-。,pH7.5~8.5,pH6.5~7.2,。,pH,。3.2 ,。,2.8/t,0.7/t,3.5/t,。[1] .[M].:,1998.1.[2] ,.[J].,1999,17(3):3-7.[3] ,,.[J].,2002,18(6):18-23[4] Rinzema,A.andG.Lettinga.AnaerobicTreatmentofSulfateCon-tainingWastewater.inD.L.Wise(ed.).BiotreatmentSystem.BocaRaton,USA:CRCPressInc.,1988,3.65-109:(1975-),,,,。34 16 2003
本文标题:UASB生物接触氧化絮凝沉淀法处理皂素废水张志扬
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