城市污水处理厂污泥沼气资源化利用康晓鹍

:2008-09-02:(1982-),,,,E-mail:[e-mail]康晓鹍,王世和(,　210096)　:,,。、、,。:;;;:X703;S216.4　　:B　　:1000-1166(2009)02-0035-03ResourcerizingofSludgefromMunicipalWastewaterPlantbyAnaerobicDigestion/KANGXiao-kun,WANGShi-he/(DepartmentofMunicipalEngineering,SoutheastUniversity,Nanjing210096,China)Abstract:Operationandmanagementofanaerobicdigestionofmunicipalsludgefromwastewaterplantwasdiscussedinthispaper.Sludgepretreatmentwithultrasonicorozonewereintroduced.Andthetechnologystatusofpowergenerationwithproducedbiogaswasalsopresented.Itwasproposedthatanaerobicdigestionisvalidforresourcerizingofmunicipalsludgefromwastewaterplant.Keywords:sludge;anaerobicdigestion;methane;wastewaterplant;resourcerization　　,。,。,10%[1],。,,、、,。,,,。,,,,。,20%～50%,30%～40%[2]。,、、、。,,、、,。、,,;,、,。。1　1.1　污泥厌氧消化预处理,,20～30d,30%～50%VSS。,,,,。,。,。1.1.1　,“”,35ChinaBiogas2009,27(2),5000℃,500,。“”“”,,。,,。NickelK31kHz,3.6kW64s,COD630mg·L-12270mg·L-1。,15℃45℃。22d8d,[8]。、,2000W·m-2,60min,10d,COD41%;25d53%[9]。1.1.2　,,,,,。MWeemaes,,(O3/COD)0.1g·g-1。,1.8,2.2。1.2　厌氧消化运行管理1.2.1　,。,,,。33℃～35℃,,,,。,35%～45%,,。1.2.2　,,。。:、、,,,,;,,,[7]。1.2.3　。,,,,,[7]。。2　———　　,,,,,,,,。,1kg0.35Nm3,0.7kWh[3,4]。、、,,、、。10%,25%[5]。,75%,57%。,,。,70%[6]。6,。17,15%～30%,64%～73%[4]。、,,,。100m3,4000m3,,,36ChinaBiogas2009,27(2)1.8m3,3kWh,1000kWh(500),5000[5]。　　《([2000]124)》5.2,“10m3,,”。,、、,[10]。,,,,,[1]。,,1m3·d-1[11]。,,,,、。3　　　,。、、。、,,,、,。:[1]　,,.[J].,2004,20(12):89-92.[2]　,,.[J].,2003,22(2):35-38.[3]　.[M].:,2002.[4]　,,,.[J].,1999,12(3):57-59.[5]　,.[J].,2006,32(11):41-44.[6]　.(Ⅰ)[J].,2000,13(1):43-48.[7]　,,,.[J].,2004,30(12):1-5.[8]　NickelK,NeisU.MethodsforDisintegrationofSewageSludgeR[M].Hamburg:TUHamburg-Harburg,2004.[9]　,,,.[J].,2006,26(4):206-309.[10],,.[J].,2005,6:49-52.[11],,.[J].,2007,33(7):46-51.(41),。,,。3　　　(1),。,、,。,,,。(2),。,“”,,,。,200～300,300。(3)。,,、、、,。(4)。,“”。。,、,、。,,、。,,,。37ChinaBiogas2009,27(2)