23 1 Vol.23 No.120103 JOURNAL OF PETROCHEMICAL UNIVERSITIES Mar.2010 :1006-396X(2010)01-0023-04张忠智, 钟为章, 穆红岩((),102249) : 研究了投加酵母菌群、光合细菌群和混合菌群等多功能微生物菌群促进炼厂的剩余污泥的减量化效果。通过多次污泥减量试验,观察到在好氧消化基础上投加功能菌群能显著促进炼厂剩余污泥减量化。结果表明,与仅好氧曝气条件下相比,投加酵母菌群、光合细菌群、混合菌群的MLSS去除率明显提高了13.81%、30.58%、37.94%;投加功能菌群作用后的污泥沉降性能均优于投加前;pH值均逐渐降低。功能微生物降解效应使石油组分发生明显的变化,强化了对低中碳正构烷烃的降解程度,有利于将高碳链烃降解为低碳链烃。: 炼厂剩余污泥; 污泥减量化; 多功能微生物; 石油烃降解: X740 :A doi:10.3696/j.issn.1006-396X.2010.01.006RefineryResidualSludgeReductionTechnologiesbyUsingMulti-FunctionMicrobeZHANGZhong-zhi,ZHONGWei-zhang,MUHong-yan(ChemicalScienceandEngineeringFaculty,ChinaUniversityofPetroleum,Beijing102249,P.R.China)Received1March2009;revised8July2009;accepted19November2009Abstract: Therefineryresidualsludgereductionusingmulti-functionmicrobe,whichconsistsofmixedyeaststrains,photosyntheticbacteriaandmixedbacteriawasstudied.Afteraperiodofresearchtime,theexcesssludgereductionexperimentshowsthatfunctionmicrobewasimprovedthereducedeffectofexcesssludgesignificantly.Theresultsshowthatcomparedwithblanktest,MLSSremovedrateofthesludgeareincreasedby13.81%formixedyeaststrains,by30.58%formixedphotosyntheticstrainsandby37.94%formixedmicroflora.Sedimentationperformanceofexcesssludgeisimprovedaftertheactivityofthemulti-functionmicrobe.ThepHvalueisallgraduallyreduced.Theeffectofmulti-functionmicrobedegenerationchangedthecomponentofpetroleumobviously.Itstrengthenedthedegenerationdegreeofnormalhydrocarbonsthathavelowandmoderatecarbon.Themulti-functionmicrobeenvironmentisfavorabletodegeneratethehigh-carbonhydrocarbonsintothelow-carbonhydrocarbons.Keywords: Refineryresidualsludge;Sludgereduction;Multi-functionmicrobe;HydrocarbondegenerationCorrespondingauthor.Tel.:+86-10-89734284;fax:+86-10-69744636;e-mail:zzzhang@cup.edu.cn ,90%。,。,,、、、,。,[1-2]。 ,:2009-03-01:张忠智(1955-),男,山东嘉祥县,教授,博士。:中石油风险科技创新基金资助项目(20070828)。。,。MLSS(,mg/L)、SV(,%)、SVI(,mL/g),,,。1 试验部分1.1 1,,。,,,,,,,,。Fig.1 Sludgereductiontestdevice1 1.2 :,,,MLSS3000~6000mg/L,pH4.0~7.5。 : (1)Y:、Y。:1g、2g、2g100mL。,,120℃20min,。。 (2)PSB:,PSB。:3g、3g、MgSO4·7H2O0.5g、CaCl20.3g,1000mL[3]。,,120℃20min,。。 (3)G:。1.3 MLSS:。 pH:。 SVISV:。 GC-MS:[4-5],,()。1.4 4.5L,,25~30℃,pH7~8,8d。1MLSS。pH7,Na2CO3pH。2 结果与讨论2.1 MLSSMLSS2。Fig.2 ChangeofMLSSandMLSSremoved rateofthesludge2 MLSSMLSS 2,,MLSS3752mg/L3066mg/L,18.28%;Y,MLSS5677mg/L3855mg/L,32.09%;PSB,MLSS5338mg/L2730mg/L,48.86%;G,MLSS5961mg/L2610mg/L,56.22%。,Y、PSB、G13.81%、30.58%、37.94%。 ,:。,(),;,,,,。,,24 23,。,,[6]。2.2 (SV)(SVI)3。Fig.3 ChangeofSVvalueandSVIvalueofthesludge3 3,,,,GYPSB。SVI,G,,300mg/L,。。2.3 pH pH4。 4,pH。,Na2CO3pH,pH7.2。,pH。,,,。,,,pH。Fig.4 ChangeofpHvalueofthesludge4 pH ,,、。,NH+4-N,pH;,,pH。pH,。,pH,[7]。pH,。,,pH,50mg/L,pH5。pH,MLSS。pH,,。,pH8.0;,,pH7.0~8.0,pH,。2.4 ,,,。5。 5,,、,、。,,,、,,。25 1 .Fig.5 Theprotozoainthesludgeafterreduction52.5 GC-MS6。 6,,,。19.73min:19.73min,,19.73min,。,,,,。8.54min。8d,[8]。,。Fig.6 GC-MSofpetroleumbeforeandafterdegeneration6 GC-MS[1] 谢敏丽,孙彤.减少剩余污泥产量的一种有效途径[J].辽宁工学院学报,2004,24(3):39-42.[2] 王艳红,田永淑,孙俊芹.复配优势菌用于污水处理及污泥减量的研究[J].工业水处理,2007,27(4):75-77.[3] 周洪波,刘飞飞,邱冠周.一株光合细菌的分离鉴定及污水处理能力研究[J].生态环境,2006,15(5):901-904.[4] 王培荣.生物标志物质量色谱图集[M].北京:石油工业出版社,1993.[5] 傅家谟,刘德汉,盛国英.煤成烃地球化学[M].北京:科学出版社,1992.[6] LowEW,ChaseHA.Reducingproductionofexcessbiomassduringwastewatertreatment[J].Wat.res.,1999,33(5):1119-1132.[7] 汪慧贞,沈家杰.pH对剩余污泥好氧消化的影响[J].给排水,1990,16(2):14-16.[8] 魏小芳,张忠智,罗一菁,等.石油烃优势降解菌在处理含油污泥中的应用[J].石油化工高等学校学报,2005,18(4):8-11.(Ed.:YYL,Z)26 23