城镇有机垃圾两相厌氧消化中有机物水解溶出试验张兴庆

:2009-09-14:(1964-),,,。张兴庆1,罗　伟2,罗　博1,刘国涛2,袁荣焕2,彭绪亚2(1.(),　401121;2.,　400045)　:,COD、VS,,、、、UASB,,UASB,。:;;;;:X705;S216.4　　:A　　:1000-1166(2009)05-0010-06OrganicMatterDissolvingfromOrganicSolidWastesinTwoStageAnaerobicDigestion/ZHANGXin-qing1,LUOWei2,LUOBo1,LIUGuo-tao2,YUANRong-huan2,PENGXu-ya2/(1.ChongqingEnvironmentSanita-tionHolding(Group)Co.Ltd,Chongqing401121,China;2.KeyLabofThreeGorgesReservoirAreaEcologicalEnvironment,MinistryofEducation,ChongqingUniversity,Chongqing400045,China)Abstract:ThequantityofCOD,VSdissolvedfrommunicipalsolidwastesinacidogenicstageofatwo-stageanaerobicdi-gestionsystemwasstudiedinthispapertopromotetheorganicmatterdissolving.Theeffectondissolvingefficiencyofdy-namic-spraying,static-soaking,anaerobiccondition,alternativelyanaerobic-aerobic,alternativelyanaerobic-facultativean-aerobic,soakingwithUASBeffluent,werestudiedinthisexperiment.Theresultindicatedthatthemethodofstatic-soakingisbetterthandynamic-spraying,soakingwithUASBeffluenthavethebestdissolvingefficiency.Andthedissolvingregular-ityoforganicsolidwastecombinedwithanimalmanureisconsistentwiththatoforganicsolidwastealone.Keywords:municipalsolidwaste(MSW);organicmaterial;dissolve;soaking1　　　　1970GhoshPohland,。。,,[1]。,。。InWookNah[2]Engelhart[3]30kPa。Schieder[4],,,。Clarkson[5],。M.Weemaes[6],67%。。,、、、UASB,,。2　2.1　试验物料,,、、、、10ChinaBiogas2009,27(5)、,,1。1　(%)、187.1110.580.490.960.8673.4976.82284.179.761.194.080.8079.7474.86392.633.232.271.110.7573.6877.18477.4420.020.940.750.8579.6572.492.2　试验装置200mm,1841　mm,1000mm。,800mm100mm,8mm,;10mm。,15～30mm,45mm,。1。2.3　试验方案,。:1.;2.。4,3,,2。2　1#2#3#1:、、2:/2,,4h,8h;2,/2,2h,4h。2,/3,120,240。3://4,4.5d,9d　　　　　　　　　　　4:UASBUASB,1,/2　　　　　　　　　　　　　COD,VS,VFA,COD,VS,VFA[13],。3　3.1　喷淋与浸泡对有机物溶出的影响1,。,2COD,VS,、,2#、3#COD,VS0.73,1.14kg0.70,0.75kg,1#0.68,0.67kg。CODVS,。,1#2570.97L,2#3#163.6,127.43L,。[8][9],KCOD11ChinaBiogas2009,27(5)0.0885,KCOD0.0253,,。,,,,。,,。　　COD3,COD3。3　COD＊1#Mt=160.75Ln(t)+311.74160.750.96672#Mt=187.6Ln(t)+337.74187.60.99253#Mt=222.02Ln(t)+236.3222.020.9974　　:MtCOD,:g　　3,、,,[7]。2#,3#、。3,2#,3#1#。3.2　厌氧、厌氧与兼氧、厌氧与好氧交替作用对有机物溶出的影响COD,VS4、5。,。,,、、,。50℃,,,、,。,。4、5,VS,COD。,,,,,,,2COD3,VS3。,,;,。3.3　用UASB出水浸泡对有机物溶出的影响UASB,、、,;,UASB4　COD12ChinaBiogas2009,27(5)5　VS,,;,UASBpH,[10～11],,,、。6UASBVS,COD,COD27.55%,128.87%。,72.18L,12#163.6L,UASB2。,UASB,。6　4VS,COD3.4　有机物的溶出浓度随时间的变化规律7～9,3,COD,,UASB,,6。。[12]COD。,,,,,,。7　1COD3.5　添加畜禽粪便的有机物溶出浓度变化规律,———,10%,20%30%。10。,,COD;,,COD;,,COD,,7d,COD,COD3595～5525mg·L-1。,7d。COD25700～5525mg·L-1。　　11、12,VFA;,,,,。,8　2COD13ChinaBiogas2009,27(5),,,。,10%～30%VFA,。4　　　,:(1),。(2):UASB,;,。(3):COD,,COD,。(4):,COD;,,COD,;10%～30%VFA,。:[1]　BaldasanoJM,SorianoC.Emissionofgreenhousegasesfromanaerobicdigestion:Comparisonwithothermunici-palsolidwastetreatments[J].WatScitech,2000,41(3):15-18.[2]　InWookNah,YunWhanKang,Kyung-YubHwang,etal.MechanicalPretreatmentofwasteactivatedsludgeforanaerobicdigestionprocess[J].WatRes,2000,34(8):2362-2368.[3]　EngelhartM,KoppJ,KrǜgerM,etal.Effectsofdisin-tegrationonanaerobicdegradationofsewageexcesssludgeindownflowsationaryfixedfilmdigesters[J].WatSciTech,2000,41(3):171-180.[4]　SchiederD,SchneiderR,BischofF.Thermalhydrolysis(TDH)asapretreatmentmethodforthedigestionofor-ganicwaste[J].WatSciTech,2000,41(3):181-187.[5]　ClarksonWW,XiaoW.Benchscaleanaerobicbiocon-versionofnewsprintandofficepaper[J].WatSciTech,2000,43(3):93-100.(5)14ChinaBiogas2009,27(5)。3.3　厌氧污泥添加比例对平均硫化氢去除率的影响。(1),η,n,t,ηttd。η=1n∑nt=1ηt(1)(1)21,4。4　　　(2)(),(3)(),η,。,R2=0.9909,R2=1.0000。,。η=0.022×2-1.5809×+87.351(2)η=0.0089×2-0.9508×+86.647(3),,,。:,[9];,,[10],,。4　,。,;[7],。:[1]　TchobanoglousG,etal.WastewaterEngineering:Treat-mentandReuse,4thedition[M].NewYork:McGraw-HillCompanies,2003:1505-1532.[2]　NY/T1220.2—2006,2:[S].[3]　,.[J].,1998,5:35-39.[4]　MSyed,etal.Removalofhydrogensulfidefromgasstreamsusingbiologicalprocesses-Areview[J].Ca-nadianBiosystemsEngineering,2006,48(2):1-14.[5]　,.[J].,2009,27(1):3-7.[6]　,.[P].:95111486.7,1995-09-05.[7]　SchiederD,etal.Microbiologicalremovalofhydrogensulfidefrombiogasbymeansofaseparatebiofiltersys-tem:Experiencewithtechnicaloperation[J].WaterSci-enceandTechnology,2003,48(4):209-212.[8]　,.[J].,2007,25(1):14-17.[9]　AndersonJW.SulfurinBiology[M].London:EdwardArnoldLimited.1978.[10]PostgateJR.Thesulphurcycle[M].Amsterdam:ElsevierPublishingCompany.1968:259-279.(14)[6]　WeemaesM,GrootaerdH,SimoensF,etal.Anaerobicdigestionofozonizedbiosolids[J].WatRes,2000,34(8):2330-2336.[7]　,.[J].,2004,25(3):160-163.[8]　.[J].,1991,12(2):18-23.[9]　,,.[J].,1996,18(4):10-16.[10]　,.-[J].,2001,22(6):99-102.[11]　,,,.pH[J].,2005,25(5):665-669.[12],.[M].:,1982,301-302.5ChinaBiogas2009,27(5)