高浓度硫酸盐废水厌氧生物脱硫研究杨丽平

201027SCIENCE&TECHNOLOGYINFORMATION,、、、、、(SO42-)。,(SRB)(H2S),H2S,,H2S,,[1],。,pH,,,,。,,。,,,。,、、、,[2],。,,。UASB。、pH、，。H2S，UASB。2.1Fig.2.1Schematicdiagramofthereactor1[3]1.11.1.1UASB（1）15cm，110cm，19.4L。1.1.2，21，（MLSS）67.67g·L-1，（MLVSS），23.36g·L-1。1.1.3243，2.1。。，2.2。COD/SO42-3，COD。2.1Table2.1Componentofsynthesiswastewater2.2Table2.2RawWaterQuality1.21.2.10.51~1.8kg·(m3·d)-1，/mg·L-15000200Na2SO41200-1700(SO42-)MgSO430CaCl210KH2PO4250NH4Cl100NaHCO32000（NH4）2CO3100COD/mg·L-1SO42-/mg·L-1pH600~7001600~17007.2±0.5111222（1.338000；2.510070）【】，（UASB）。UASB1.8kg·(m3·d)-1，COD5.0kg·(m3·d)-1COD95%35％。20℃300mg/L，COD。20℃300mg/L，90%。，COD，，。H2S，COD。【】UASB；；；N2ToStudytheEfficienceofSulphateReductionFromHighConcentrationSulphateWastewaterYANGLi-ping1*YANGxiao-hua1XIAOyong-bin1ZENGGuo-qu2XUMei-ying2SUNGuo-ping2（1.EnviromentalProtectionBureauofYushuiDistrictXinyu,XinyuJiangxi,338000,China;2.GuangdongProvincialKeyLaboratoryofMicrobialCultureCollectionandApplication,GuangdongInstituteofMicrobiology,GuangzhouGuangdong,510070,China）【Abstract】AnUp-flowanaerobicsludgebed（UASB）wassetuptostudytheefficienceofsulphatereductionfromhighconcentrationsulphatewastewater.Thecharacteristicsofgranularsludgeandthecompositionofthemicrobialcommunityinthesludgewerealsoanalyzed.TheUASBstart-upandoperatedwithartificalwastewater,Sulfatereductionefficiencywasabout95%whenSO42-andCODvolumeloadingwas1.8kg·(m3·d)-1,5.0kg/(m3·d),theremovalefficiencyofSO42-andCODwereabout95%,35%respectively.Whenthereactiontemperatureislowerthan20℃orsulfideconcentrationishigherthan300mg/Lsulfatereductioncouldbeinhibited.Contrarily,Thesulfateeliminationratecouldbemaintainedabove90%.Afterthereactordomesticatedsuccessfully,SulfateandCODeliminationratecouldbekeepstablewithimproveinfluentloads.SulfateandCODeliminationratecouldbeimproved,thefreeH2Sofwastewatercouldeffectivestripped,andsulfidetomicroorganism'sinhibitoryactionbereducedthroughreasonablegasStrippingtothereactor.【Keywords】UASBreactor；Sulfate；Sulfate-reducing；N2stripping○○19SCIENCE&TECHNOLOGYINFORMATION201027COD1.5~5.0kg·(m3·d)-1，1，pH7。（5.5~31℃），pH6.4~6.8。、COD、（），HRT80h，150d60h，180d48h，210d24h。1.2.2120~140d，78%，141dH2S，N20.06L·min-1，2，2h。H2S，，，。N290%。0.68kg·(m3·d)-1，，N20.06L·min-1，2，4h。0.9kg·(m3·d)-1，0.1L·min-1，2，6h。1.8kg·(m3·d)-1UASB0.1L·min-124h，1mol·L-1NaOH。1.2.3COD/SO42-COD/SO42-3，24h，SO42-COD，COD/SO42-2、1.5、1。COD。1.2.4。，、COD、（），HRT80h、48h、24h12h。。1.2.5，。COD（GB/T11914-89）；SO42-（GB/T11899-89）；（HJ/T60-2000）；。22.1UASB2.2。2.2。243d，1.8kg·(m3·d)-1，95%，COD5.0kg·(m3·d)-1，COD35％。2.2Table2.2OperatingparametersofUASB2.2、。COD，78%20%。N2，，COD，95%35%。COD95%35%。COD，。2.2COD2.3、COD，COD，COD。20℃，，55%，。20℃，。20～35℃，。、COD，COD、0.560.74。COD0.76。，COD。2.2UASB，、COD、CODFig2.2Concentrationininfluentandeffluent,removingrateofsulfateandCODinUASBreactor2.3、CODFig2.3TherelationoftemperatureandSulfate，CODeliminationrate2.3COD2.4COD。COD，COD，COD，28%～38%。2.5。，300mg/L，95%。300mg/L，，90%。N2300mg/L，95%。300mg/L。2.4CODFig2.4TherelationofsulfideandCODeliminationrate2.5Fig2.5TherelationofsulfideandSulfateeliminationrate2.4COD/SO42-COD/SO42-3，COD/SO42-，SO42-COD，COD。2.6。COD/SO42-/d/L·h-1/hSO42-/kg·(m3·d)-1COD/kg·(m3·d)-1SO42-/%COD/%0~300.2425800.511.530~3513±231~1200.2425800.511.535~7813~20121~1500.2425800.511.578~9020~25151~1800.323600.68290~9525~35181~2100.404480.92.595±235±2211~2430.808241.85.095±235±2○○20201027SCIENCE&TECHNOLOGYINFORMATION●2，90%，COD30%。COD/SO42-1.5，，66%，75%，COD23%～27%。COD/SO42-1，，36%。COD17%～20%，COD/SO42-3，90%。COD35%～40%。2.6COD/SO42-CODFig2.6TheremovalrateofsulfateandCODunderdifferentCOD/SO42-2.5，240～300mg/L，pH6.4～6.8。COD2.7。20℃，，90%72.7%。20℃～25℃，90%。COD。12h，90%，85%。，，。，，。2.7UASBCODFig2.7TheremovalrateofsulfateandCODinUASBoperation33.1（5.5℃31℃），UASB，N2H2S，（H2S）H2SUASB。20℃，55%，。20℃，78%。N2，H2S，，，，95%。95%。20℃～31℃，90%。300mg/L，，95%87%。COD/SO42-，COD/SO42-2、390%。COD/SO42-1.590%66%，COD/SO42-136%。MareeStroydom[2]20～38℃，SRB30.5℃，38℃。，35±1℃，SO42-。20℃～31℃SO42-。SRB。GerhardKurt[3]，H2S40～50mg·L-1SRB.Lawrence[4]，200mg·L-1，；Buisman[5]900mg·L-1，。SRB300mg·L-1。[6]COD/SO42-SO42-,[7]COD/SO42-2～3。。[8]5.7LUASB35℃SO42-MLVSS18.2g·L-197。SO42-650～900mg·L-185～95%，1000mg·L-176～89%。HS-，HS-320～350mg·L-1。Hyun[9]SO42-900～1500g·（m3·d）-1＞85%。19.4UASB1700mg·L-1,SO42-1800g·（m3·d）-1SO42-95%。。3.23.2.11.8kg·(m3·d)-1，95%，COD5.0kg·(m3·d)-1，COD35％。3.2.220℃COD。20℃，90%。3.2.3。300mg/L，。300mg/L，。3.2.4，COD，，。3.2.5COD，H2S。【】［1］JanssenJS,AlbertJH,HulshoffLW,etal.DevelopmentofanovelprocessforthebiologicalconversionofH2Sandmethanethioltoelementalsulfur[J].BiotechnologyBioengineering,2003,82(1):1-11.［2］BuismanCJN,WitB,LettingaG.Biotechnologicalsulfideremovalinthreepolyurethanecarrierreactors:strirredreactor,bio-rotorreactorandup-flowreactor[J].WaterResearch,1990,24(2):245-251.［3］,,,.UASB[J].，2009,30(12):3630-3638.［4］,.(UASB)[J].,2001,27(4):85-900.［5］MareeJP,StrydomWF.BiologicalSulphateRemovalfromIndustrialEffluentsinanUpflowPackedBedreactor[J].WatRes.,1987,21(2):141-146.［6］GerhardStucki,KurtWHanselmann,RichardA.Hiirzeler.BiologicalSulfuricAcidTransformationReactorDesignandProcessOptimization[J].BiotechBioe