餐厨垃圾粪便和污泥联合厌氧发酵工艺优化研究

[e-mail][e-mail]、113131321441．1001012．1001013．1001014．102249TS10%、。、、12%C/N．50℃∶∶6∶1∶118VS69．7%0．38L·g－1VS。C/NTK6X705S216．4A1000－1166201501－0013－04OptimizationofAnaerobicFermentationwithMixedMaterialofKitchenWasteFaecesandSludge/ZHANGChen-guang1ZHUJin-xing13WANGXiao-wei13CHENFang13XINGJu-yuan2XIEJian-bo1BAIShang-shang4LIUYan4/1．BESGEnvironmentEngineeringCoLtdBeijing100101China2．BeijingEnvironmen-talSanitationEngineeringGroupLtdBeijing100101China3．ChinaUniversityofPetroleumBeijing102249China4．ChinaUniversityofPetroleumBeijing102249ChinaAbstractThehighconcentrationanaerobicfermentatione．g．TSconcentrationhigherthan10%hastheadvantagesofbettertankutilizationandhighvolumetricgasproductionetcbutithasaseriesofkeyengineeringproblemssuchasacidi-ficationandunstableoperation．InordertosolvetheproblemscausedbyhighloadfeedingahighTSconcentrationof12%wasappliedintheanaerobicdigestionwithmixedmaterialofkitchenwastefecesandsludge．ThekeyparametersofC/Nandorganicloadingratewereoptimizedbytestsofdifferentmaterialratio．Fortheanaerobicfermentationat50℃theop-timalratioofkitchenwastefecesandsludgewas6∶1∶1wetweightandtheoptimalhydraulicretentiontimewas18d．UndertheseoptimalconditiontheVSconversionefficiencywasabove69．7%andthegasproductionwasmorethan0．38L·g－1VS．KeywordsbiomasswasteanaerobicfermentationwithmixedmaterialfeedproportionC/N1“、、”、2。“”3。、、、。、、、4－7。8。、31ChinaBiogas20153319－10。、C/NpH、、。11．1194．7%97．5%。1、/%79．194．797．5TS/%20．95．32．5VS/%16．84．92．1pH5．56．57．1/%35．212．515．4/%1．93．92．9C/N18．53．25．31．2DN50、2pH。2/mm120012001200/mm143114311622/L9009001000、pH。1．31．3．11TS103℃～105℃VS550℃。2VSC=0．47。3FIDGDX-40150℃120℃150℃40μL20μL1．3．2、8∶1∶16∶1∶15∶1∶2。。TS12%。1∶510。9。。41、8∶1∶123、6∶1∶14、4∶1∶1。16182030。、。22．1TSVSTSVS11。420～30VS41ChinaBiogas20153313。2VS/TS80%80%。3HＲTVSHＲT20VSHＲT1618HＲTVSHＲTHＲT161VS54．3%3VS64.8%HＲT。HＲTVSVS60．2%VS69．7%、6∶1∶1HＲT20。3VSHＲTVS*VS*VSg·L－1d－1%%%11166．09．64．454．312185．39．63．860．213204．89．63．167．521166．19．74．058．422185．49．73．663．123204．99．73．168．231166．19．83．464．832185．49．83．069．733204．99．82．871．341166．29．93．663．542185．59．93．465．443205．09．93．268．1VS*15～30VS。2．22000mg·L－112。27～10。1201420mg·L－1162023mg·L－114HＲT182350mg·L－1。。30002500200015001000500016%d18%d20%d实验组1实验组2实验组3实验组4氨氮浓度/%mg·L-11HＲT2．350℃10～122pH7．0～7．860%16%d18%d20%d1.41.21.00.80.60.40.20容积产气率/%L·L-1d-12%4%6%810%12%14%16%18%20%22%24%26%28%30发酵时间/%d23HＲT51ChinaBiogas20153311．08～1．44L·L－1d－1VS0．33～0．39L·g－1VS64．8%～71.3%。4VSVS－。418、8∶1∶15．4g·L－1d－1pH7．41．22L·L－1d－1VS0．36L·g－1VS63．1%、6∶1∶1pH7．618%1．44L·L－1d－1VS0．38L·g－1VS69.7%。、6∶1∶1VS。4HＲTVSVS*g·L－1d－1%L·L－1d－1L·g－111166．054．31．080．3312185．360．21．120．3513204．867．51．170．3621166．158．41．170．3322185．463．11．220．3623204．968．21．220．3731166．164．81．350．3432185．469．71．440．3833204．971．31．360．3941166．263．51．300．3342185．565．41．220．3443205．068．11．150．34*VS15～30VS4VSVS。23HＲT1620dHＲT18d。3VS、VS、6∶1∶1、18VS。1．J．2010335143－146．2．J．20081531－33．3．J．2008390－92．4．Z．2004．5．J．2006331266－69．6．J．2005268－70．7．J．200614658－61．8．J．200624235－40．9．D．200615－25．10DearmanBBenthamＲH．Anaerobicdigestionoffood-wastecomparingleachateexchangeratesinsequentialbatchsystemsdigestingfoodwasteandbiosolidsJ．WasteManagement2007271792－1799．11ZhangＲHELMashadHMHartmanKetal．Char-acterizationoffoodwasteasfeedstockforanaerobicdi-gestionJ．BioresourceTechnology200784929－935．12．J．200321146－48．61ChinaBiogas2015331