城市生活有机垃圾湿式动态厌氧发酵工艺肖鸿

肖　鸿　彭　宏(,625014)　对城市生活有机垃圾处理技术现状进行分析的基础上,结合我国国情,提出一种新型的湿式动态厌氧发酵工艺。进一步论述了湿式动态厌氧发酵工艺方案选择,重点介绍该工艺的流程,各部分结构的功能。最后,总结该工艺的优点,对工艺的不足之处进行了探讨并提出相应的处理措施。　有机垃圾　湿式动态厌氧发酵　工艺研究　　,60t,10%[1],,70%[2]。,。1　1.1　卫生填埋,、、。,1930[3],、,,,。、、、,,,,。1.2　焚烧、、、、,20[4]。,,,。、,,,,100t[5]。、、、、,。1.3　堆肥,。,,。、,,。,,,,。,,,EcoTec、TEB、OWS-Dranco[6]。[7]。。,,。2　2.1　发酵工艺比较(),,、。,,4:、、-、。,、、、()、、,,65　　　20078254DOI:10.13205/j.hjgc.2007.04.021,,。1。1　4[8]d20～3025～3515～2015～20,,。,。,。,。,。;,,,。;;,;;。;,;;;,。;;;;;;。。,。　　1,、、、。2.2　湿式动态厌氧工艺方案选择,()、。,,。28～38℃,,,。48～60℃,,,,,。(),[9]。,,,,,,,、。2,,。2,,,,,。,()()。(),2,,,,。21,,,。,。15%,,,,,。20%,。,,,。,、、、、,。(),,。66　　　200782543　、,,。,,。。,。,。,,。。(1)。。1　3.1　备料3.1.1　,;。3.1.2　。,,、。,。,,,,。15%,36～40℃,。3.2　生物反应器(UASB型)3.2.1　,。3.2.2　,,,。,,,,20,,。,,,,。,,,。,,,。,,,,,。,,。,,。,3,;;,,,,。3.3　缓冲罐3.3.1　,。3.3.2　,。67　　　2007825470℃30min()。3.4　脱水装置3.4.1　。3.4.2　,()。3.5　沼气处理3.5.1　,。,,,,。,,H2S30mgm3,,,,。,,,0.5m。,。。,,,、、、。。,,。3.5.2　,,。,25%～40%,6～7h。。,。,、,,、。,,,。65%,1.0m36.2m3。8%～20%(),。、,。。,。、、。,。,。,。,。,15m,。4　4.1　结论,。,,,,。。:(1),。(2),。(3),,。(4),。(5)。(6),。4.2　建议,:(1)。、,,,,。(2)。,、pH、,(),,。68　　　20078254,。(3)。,,。,、,、,,,、、,。[1]　.[EBOL].http:[2]　..,2002,15(6):55-57.[3]　,,..,2001,9(2):56-61.[4]　,,..,2006,24(3):36-42.[5]　,,..,2006,14(3):58-60.[6]　RISE-AT.ReviewofCurrentStatusofAnaerobicDigestionTechnologyforTreatmentofMunicipalSolidWaste.ChiangMaiUniversity,1998.[7]　,,..,2005,13(1):50-52.[8]　.().:,2002.[9]　..:,1988.　　625014　　(0835)2882210E-mail　[e-mail]2006-11-29(64),,。,,,。[1]　,,.(MSW).,2003,3(14):42-46.[2]　,,..,2005,30(3):83-84.[3]　USEPA,40CFR258.MunicipalSolidWasteLandfillCriteria.1991.[4]　DEQ,SolidWasteLandfillGuidanceDocument.1993.[5]　MDEQ,MichiganRegulationsforMSWLandfills.1993.[6]　..,1997,2(87):1-5.[7]　..:,1999.[8]　COUNCILDIRECTIVE199931ECof26April1999onthelandfillofwaste.1999.[9]　,,..,2005,34(11):56-57.[10]　,,..:,2003.[11]　.HDPE.,2003,23(6):53-56.[12]　GB16889-1997..[13]　CJJ17-2004..[14]　,,..,2004,22(4):50-52.[15]　,,..:,2004.[16]　,..,2002,8(2):35-36.　　100012　8　　(010)84915182E-mail　[e-mail]2006-12-28南极冰山成为海洋生物聚集地　,,,。《》,,,。3km,,。、。,:,,,。“”69　　　20078254improperlyandleakageshappenedincidentallyinlandfillsinChina,whichhassomerelationshiptothedefectsofrequirementaboutleakagepreventionstructureinouractualstandardGB16889-1997.So,somesuggestionsweregivenasfollowing:leakagepreventionstructureofourdomesticwastelandfillshouldbecompositeleakagepreventionstructure;thethicknessofartificialmembraneandcompactedclaylinermustbeatleast1.5mmand50cmrespectively.Keywords　domesticwastelandfill,leakagecontrolstructureandstandardWETDYNAMICANAEROBICFERMENTATIONOFMUNICIPALORGANICWASTESXiaoHong　PengHong(65)……………………………………………………………………………………………………………………Abstract　Basedonanalysisofthecurrentstatusotreatmenttechnologyformunicipalorganicwastesandaccordingtodomesticconditions,wetdynamicanaerobicfermentationwasputforwardasanewtypeofprocess.Further,theoptimalprogramofwetdynamicanaerobicfermentationwasselected.Asthecorepart,thetechnologicalprocessandthefunctionofeverypartwereemphaticallyintroduced.Inconclusion,theadvantagesofthetechnologyweresummarizedandthedisadvantageswereexploredandrelativemeasuresweresuggested.Keywords　organicwastes,wetdynamicanaerobicfermentationandprocessresearchDEVELOPMENTOFFULLDIGITALENVIRONMENTALMONITORINGSYSTEMINPANSTEELWORKSWangXue　YueHaifeng　XieZhijiangetal(70)……………………………………………………………………Abstract　Itwasstudiednetwork-topologicalstructurebasedonBSandCS,logicalfabricandaseriesofkeytechnologies.Fourdatalevels,signalacquiringlevel,digitaldatacollectinglevel,partdistrictmanagementlevelandcentermanagementlevel,weredesignedinthesystem,anduserterminalsweredividedintopartclients,centerclientsandmobileclients,whichwereconnectedviaInternetorIntranet.Itadoptsupportvectormachine(SVM)methodtogainmoreexactexhaustingvalueofsmoganddustthansensors.Theapplicationindicatedthesystemrunreliablyandexpediently,whichcouldbeareferenceforotherenvironmentmonitoringapplicationsinbigenterprises.Keywords　digital,environment,imageprocessing,SVMandmonitoringsystemTHESTUDYANDAPPLICATIONOFTHEDETERMINATIONOFBODWITHDIFFERENTIALPRESSUREMETHODWangXiquan　WangQiuju　KongXiangyi(74)………………………………………………Abstract　ThedeterminationmethodofBODusingpressuredistinctioninstrumentwasstudiedbecauseithastheadvantagesofsimpleoperation,simplifiesalotofoperatingprocessesandBODcanbemonitoredcontinuouslywiththemethod.Itisconcludedthatthereisnoobviousdifferencebetweenmanometricmethodandstandarddilutioninoculationmethodbythecontrastofthesetwomethodsandthestatisticalcheckofthedifferenceofthesetwomethods.Thismethodhasbeenfoundtobereliablethroughcomparingtheanalyticalresultsofthewatersamplesusingthesetwomethods.Keywords　determination,BODanddifferentialpressuremethodCOMPREHENSIVEASSESSMENTOFWATERENVIRONMENTQUALITYBYTOPSISMETHODBASEDONENTROPYWEIGHTChenQiang　YangXiaohua(75)……………………………………………………Abstract　TosolvethephenomenaofvectornormalizationintheTOPSISmethoddependingontheevaluationunitandthephenomenaofthenegative-idealsolutionintheTOPSISmethodwithoutconsideringtherela