单过硫酸氢钾复合盐对剩余污泥厌氧发酵的影响金宝丹

46220163JOUＲNALOFSOUTHEASTUNIVEＲSITYNaturalScienceEditionVol．46No．2Mar．2016DOI10．3969/j．issn．1001－0505．2016．02．032100124PMSPMS、、SCFAs、、、CSTMVLSS．PMS．PMS0．04～0．08mg/mg．PMS0．08mg/mg．PMSSCFAs75．55%0．92%．X703A1001－0505201602-0434-10EffectofpotassiumperoxymonosulfateonwasteactivatedsludgeanaerobicfermentationJinBaodanWangShuyingXingLiqunPengYongzhenKeyLaboratoryofBeijingforWaterQualityScienceandWaterEnvironmentＲecoveryEngineeringBeijingUniversityofTechnologyBeijing100124ChinaAbstractInordertoinvestigatetheeffectofpotassiumperoxymonosulfatePMSonthewasteac-tivatedsludgeWASanaerobicfermentationthePMSofdifferentdosewasaddedintothefermen-tationsystems．DifferentindicatorssuchastheWASsolubilizationratedisintegrationdegreerateshortchainfattyacidsSCFAsproteinpolysaccharidehydrolasecapillarysuctiontimeCSTofWASandvolatilesuspendedsolidMLVSSconcentrationwereanalyzedintheanaerobicfer-mentationprocess．ItisfoundthattheappropriatePMSeffectivelyenhancestheWAShydrolysisa-cidificationfunctionandsludgereduction．TheresultsshowthatwhenthePMSis0．04to0．08mg/mgthefermentationperformanceofWASisthebestandtheyhaveasimilarhydrolyticacidifi-cationperformance．HoweverthefermentationperformanceofWASisreducedandthereagentcostisincreasedwhenthePMSishigherthan0．08mg/mg．Itisnotbeneficialtothefermentationsys-temoperation．AtthesametimeitisfoundthatthePMScansignificantlyincreasetheproportionofaceticacidtothemaximumof75．55%anddeclinetheproportionofpropionicacidtotheminimumof0．92%inSCFAs．KeywordswasteactivatedsludgefermentationhydrolyticacidificationshortvolatilefattyacidspotassiumperoxymonosulfatePMSsludgereduction2015-09-10．1985—[e-mail]．2015ZX07218001、ykj-2014-10608．．J．2016462434-443．DOI10．3969/j．issn．1001－0505．2016．02．032．http//journal．seu．edu．cn．25%～60%1．．SCFAs2SCFAs3．、34-5．、、、、6-9、、、．、、、．PMS2KHSO5·KHSO4·K2SO4KHSO5．PMS．PMSK+SO2－410-11．PMSPMS．PMSPSCOD、PDDCOD、SCFAs、、、CSTMVLSSPMS．11．1SBＲ8．8m36．2m33．1．2．5L2．0LpH1mg/LTSS13045±135VSS10660±411TCOD9250±295COD6500±76COD1800±34COD15±2SCFAsCOD3．5±0．32COD2．3±0．15COD2．1±0．5750r/min30±2℃．．1．2SBＲ1．1～62LPMS00．020．040．080．230．46mg/mg1mgPMS．750r/min30±2℃2d．1．312COD、MLSS、MLVSSNH+4-NPO3－4-P．SCFAsAgilent6890DB-MAXETＲ13．SCFAs、、、、66COD61．071．511．821．822．042．04COD6．-14Lowry-folin15．α--a-d-16-17．pHoxi/340iWTW．CST304MTritonElectronics．DNANanoDrop1000．PSCODPDDCODPSCODPDDCOD18-195342http//journal．seu．edu．cnPSCOD=CODs－CODs0CODp0×100%1PDDCOD=CODs－CODs0CODNaOH－CODs0×100%2CODsCODCODs0CODCODp0CODCODNaOHNaOH1mol/L24hCOD．1．4PMSPMSKHSO5．KHSO5KHSO542．8%～46%．PMSO、·OH·SO－4·SO－4·OH2．5～3．1eV2．80eVO．KHSO→5HSO－5+K+HSO－4+O+K+HSO－→4·SO－4+H+·SO－4+H2→OSO2－4+·OH+H+·SO－4+OH→－·OH+SO2－4·SO－4+→ＲH·Ｒ+HSO－4·OH+→ＲH·Ｒ+H2O·Ｒ+SO2－→5·SO－4+·O+Ｒ·SO－4+Fe→2+Fe3++SO2－4·OH+Fe→2+Fe3++OH－Fe3++→ＲH·Ｒ+Fe2++H+ＲHＲ．PMS33．K+SO2－4．22．12．1．1PMSDNADNA．1PMS、、CODDNA．1PMS1PMS、COD．PSCODPDDCODCODPMS．PMS0．04mg/mgPSCODPDDCODCOD29．75%37．0%2774．44mg/LPMS0．08mg/mgPSCODPDDCODCOD30．51%37．99%2844．01mg/LPMS5～6PMSPMS0．040．08mg/mg．20PSCOD23．2%～53．8%15～55℃PDDCOD22%21．PSCODPDDCODPMS．PMS、、、11．ＲNA22．PMS23-24CODPMS0．08mg/mgPSCODPDDCODCOD．DNA1DNAPMSPMSDNA．2．1．2PMS25-26EPSEPS63446http//journal．seu．edu．cnEPS80%27．SCFAs28-29．PMS2．ab2PMS2aPSCODPDDCODPMSPMS0．08mg/mg416．71mg/LPMS0mg/mg35．73mg/L11．67．PMS0．08mg/mgPMS0．46mg/mg374．69mg/L0mg/mg10．49．2bPMSPMS0．46mg/mg376．64mg/LPMS0mg/mg21．84mg/L17．25．PMS．PMS2030．PMS31PMS．2．22．2．1PMSSCFAsSCFAs．PMSpHpH．PMSSCFAs、pH3．aSCFAsbpHc3PMSSCFAspH3PMSSCFAspH．SC-FAsPMS7342http//journal．seu．edu．cn、．5PMS0．04mg/mgSCFAs1857．36mg/LPMS0mg/mgSCFAs64．96mg/L28．59．16PMS0．04mg/mgSCFAsPMS0．08mg/mgSCFAs1559．13mg/L0mg/mgSCFAs24．PMS0．04～0．08mg/mgSCFAsPMS0．040．08mg/mg2pH5．9487．1233bPMS32SCFAsSCFAs．SCFAs195～312mg/g20～55℃33-35PMS0．04～0．08mg/mgSCFAs285．69～222．73mg/LPMS．PMS0．040．08mg/mgSCFAs516PMS0．04mg/mgPMSSCFAsPMS0．08mg/mgPMS．SCFAs．3PMS0．230．46mg/mgSCFAsPMS0．040．08mg/mgPMS0．230．46mg/mgPMSpH3．962．483bPMS2SCFAsPMS0．040．08mg/mgSCFAsPMS0mg/mg1．PMS00．02mg/mgSCFAs．PMSSCFAs．PMSPMSO·OH·SO－4．Fe2+PMS．2．2．2PMSα-α-1416．α-α-．3cPMSPMS．PMS0．040．08mg/mgα-mgVSS0．1970．212EU/mgα-6．29×10－58．78×10－5EU/mg．SCFAs3a．α-36．2α-．Cadoret37CadoretEPS23%5%α-α-．2．2．3PMSEPSNH+4-NPO3－4-PNH+4-NPO3－4-P．4PMSNH+4-NPO3－4-P．83446http//journal．seu．edu．cnaNH+4-NbPO3－4-P4PMSNH+4-NPO3－4-P4PMSNH+4-NPO3－4-PSCFAs．PMS0．04mg/mgNH+4-NPO3－4-PPMSPMS0．04mg/mgNH44-NPO3－4-P7NH+4-NPO3－4-P349．35141．6mg/L．PMS0．08mg/mg18NH+4-NPO3－4-P430．0197．3mg/L．PMS0．08mg/mgNH+4-NPO3－4-P．PMS0．08mg/mgPMSNH+4-NPO3－4-P．NH+4-NPO3－4-PBan-ister38．NH+4-NPO3－4-PNH+4-NPO3－4-P．2．2．4PMSSCFAs、、、、．SCFAs、39SCFAs、．5PMSSCFAs．5PMSSCFAsSCFAs40．5PMSSCFAsSCFAsPMS0．04～0．046mg/mgWang26．5PMSPMS00．020．04mg/mgPMS17．40%19．84%75．55%PMS0．080．230．46mg/mg61．64%46．99%44．95%．2041-4215～55℃40．7%～36．6%PMS．5PMS00．020．04mg/mgSCFAsPMS11．29%2．78%0．92%PMS0．080．230．46mg/mgSCFAsPMS3．42%4．83%6．38%．22．9%～14．9%20PMS．9342http//journal．seu．edu．cnSBＲSBＲSBＲ32、．SCFAsPMS0．04mg/mg1．13%1．26%SCFAs．SＲB43PMS0．04mg/mg．SCFAs．PMS00．02mg/mgPMS00．02mg/mgPMS、、23PMS．PMS．2．32．3．1PMS．PMS6a．6aSCFAsPMS0．04mg/mgPMS．PMS0．04mg/mgMLVSS6234mg/L47．01%PMS0．08mg/mgMLVSS6950mg/L40．98%．PMS0．040．08mg/mg-25%～28%4