改进型升流式固体反应器处理猪粪污新工艺研究汪国刚

3　5环境工程学报Vol.3,No.520095ChineseJournalofEnvironmentalEngineeringMay.2009汪国刚1　赵明梅1　郎咸明2　包震宇2　周仁来1(1.,110031;2.,110031)　　(USR),,,USR,,,,USR“”,、COD。12.1%,17d,4.9kgCOD/(m3·d),2.55m3/(m3·d),0.359m3/kg。　USR　　　X505　　　A　　　1673-9108(2009)05-0919-04StudyonanimprovedUSRforpigmanuretreatmentWangGuogang1　ZhaoMingmei1　LangXianming2　BaoZhenyu2　ZhouRenlai1(1.LiaoningBeifangEnvironmentalProtectionGroup,Shenyang110031;2.LiaoningAcademyofEnvironmentalSciences,Shenyang110031)Abstract　ImprovedUSRreactorcontainsanewlydedicatedblenderwhichisintermittentlyoperated.KeepingtheadvantagesoftraditionalUSR,abetterfeed-inmaterialandmicro-organismsmixingwasobtainedandtheproblemofcrustinUSRwassolvedintheimprovedreactor.Thebiogasproduction,biomassconversionefficiency,andCODremovalefficiency,wereallincreasedintheimprovedUSR.With12.1%ofTSfeed-inma-terial,17daysHRT,themaximumloadcapacityreached4.9kgCOD/(m3·d),thebiogasproductionratewas2.55m3/(m3·d),andthematerialbiogasproductivityreached0.359m3/kgdrymanure.Keywords　improvedUSR;pigmanure;digestion:2008-11-24;:2009-01-12:(1971～),,,。E-mail:[e-mail]　　、———、,,。(USR),,,、,[1～3]。,USR,,[4]。,,,。,USR,USR,。1　1.1　USR,,2(8、17),20min。USRUSR,,,,USR。USR150cm,13.4cm,20L,17L,10cm。,38℃,USR,,NaOH,3[5,6]。1　USRFig.1　ImprovedUSR1.2　(、),75%。,,,,12.1%:COD83.4g/L,BOD31.3g/L,NH3-N3780mg/L,TP1725mg/L,pH6.0～6.5。1.3　USR,VSS/TSS=63.3%。,,,;,,pH7,,,USR、。1.4　CODHH-5;BOD5;pH;VFA;SSVSS;;-;TP;NY525-2002[7]。2　2.1　,COD1500mg/L,4L/d。,,CODSS。COD,12d,COD1023mg/L,,0.25L/d,,。2.2　2.2.1　进料量和水力停留时间,5.7%400mL/d,pH7,,。55d,12.1%,500g/d,17d。2,3。2.2.2　产气量和产气率,22d18.3L,,;550g/d(15.4d),,;50d1d,500g/d,,43.4L/d(4)。:(1),9205:,,,;(2),500g/d,,43.4L/d,0.359m3/kg,2.55m3/(m3·d)。4　Fig.4　Relationshipbetweeninputquantityandbiogasproduction2.2.3　进出水COD与容积负荷COD(5),USR,,,,;,USR,,UASBHRTSRT,,COD。31d,COD,,,COD55%～60%。550g/d,COD45000mg/L,COD45%,,,500g/d,COD83382mg/L,COD35483mg/L,COD5　CODCODFig.5　RelationshipbetweeninputCODandoutputCOD57.5%,4.9kgCOD/(m3·d)。2.2.4　进水和出水pH的变化,pH,pH,5.0～8.5,pHpH6.5～7.8[8]。pH6.0～6.5,pH6。pH6.8～7.2,,,。6,25d,,pH,,pH。550g/d,pH7,,,500g/d,,pH7.5。6　pHFig.6　RelationshipbetweeninputquantityandpH2.2.5　出水VFA值(VFA),VFA,VFA,VFA,VFA。USRVFA7,USRVFA,14d23mmol/L,29d1d,VFA,USRVFA(VFA1mmol/L=60mg/L)。550g/d,VFA30mmol/L,38mmol/L,,pH7.57.0,;50d92131d,VFA,,VFA。,VFA25mmol/L,VFA30mmol/L。7　VFAFig.7　RelationshipbetweeninputquantityandVFAintheeffluent2.2.6　沼液和沼渣成分的测定、、、、、,、17。,(1)、,;(2),;(3),,。,,、、,、[9,10]。USR,。,,2,NY525-2002。,USR,,,。1　Table1　Componentofbiogasdigestate(%)(g/kg)(g/kg)(g/kg)50.820.419.99.852.425.523.810.83　　USR,,,USR,,,,USR,、COD。,、、COD、pHVFA,12.1%,17d,4.9kgCOD/(m3·d),2.55m3/(m3·d),0.359m3/kg,,;COD57%,,。USR、、,。[1],,.USR.,2007,26(6):36～38[2]ZhangRuihong,ZhangZhiqin.Biogasificationofricestrawwithananaerobic-phasedsolidsdigestersystem.Biore-sourceTechnology,1999,68:235～245[3],,,..,1996,17(4):44～46[4],,..:,2008[5]Parkin.Fundamentalsofanaerobicdigestionofwastewatersludges.ASCE-JournalofEnvironmentalEngineering,1986,12(5):867～920[6]AngelidakiL.,AhringB.K.Thermophilicanaerobicdiges-tionoflive-stockwaste:Theeffectofammonia.AppliedMicrobiologyandBiotechnology,1994,38:560～564[7]NY525-2002,[8],..:,2004.28～31[9],,,..,2007,24(5):37～39[10],,,.、.,2006,(3):80～81922