接种污泥预处理对生物制氢反应器启动的影响
- 海之魂
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2020-03-31 14:29:49
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第59卷第5期化工学报V01.59No.52008年5月JournalofChemicalIndustryandEngineering(China)May2008接种污泥预处理对生物制氢反应器启动的影响郭婉茜1,任南琪1,王相晶2,张露思1,曲媛媛1(1哈尔滨工业大学市政环境工程学院,黑龙江哈尔滨150090;2东北农业大学生命科学院,黑龙江哈尔滨150030)关键词:生物制氢;EGSB反应器;污泥;预处理;启动中图分类号:TQ028.8文献标识码:A文章编号;0438—1157(2008)05—1283—05Comparativestudyofinfluenceofinoculatingsludgepre-treatmentsonstart—upprocessinEGSBbio-hydrogenwithdifferentproducingreactorGUOWanqian1。RENNanqi1-WANGXiangjing2,ZHANGLusi1,QUYuanyuanl(1SchoolofMunicipal&EnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,Heilongjiang,China;2SchoolofLifeScience,NortheastAgriculturalUniversity,Harbin150030,Heilongjiang,China)Abstract:Threeparallellab—scaleexpandedgranularsludgebed(EGSB)reactorswereemployedtoevaluatethestart—upprocessofbio—hydrogenproductionfrommolasseswastewater.Withotherstart—upparameterscontrolledthesame,theeffectofinoculatingsludgepre—treatmentswasstudied.Twomethodsofpre-treatments(pre-heatingandpre-aeration)wereconductedfortheinoculatingsludgeintworeactorscomparedwithanon-pre—treatmentreactor(controlreactor).Theresultsshowedthatthereactorswithpre-treatmentperformedbetterinthestart—upprocessthanthecontrolone.Thehydrogen-producingbacteriawereefficientlyenrichedatthestart-upperiod,shorteningthestart—upprocess.Attheendofthestart—upstage。theacidificationrateofthepre-treatmentreactorswas10%--30%morethanthecontrolone.andhydrogenproductionincreasedby1.69—1.82times.Consideringcostandfeasibility,theauthorssuggestapplyingthepre-aerationmethodtotreattheinoculatingsludgetogetmoreefficientstart—upintheindustrialscalebio—hydrogenproductionplant.Keywords:hydrogenproduction;EGSBreactor;sludge;pre——treatment;start‘。up引言混合菌种(厌氧活性污泥)发酵法生物制氢技术作为开发清洁可再生新能源的重要手段已被人们2007一07—20收到初稿,2008一01—15收到修改稿。联系人:任南琪。第一作者:郭婉茜(1980一),女,博士研究生。基金项目:国家自然科学基金项目(30470054);国家杰出青年科学基金项目(50125823)。所接受,并逐渐成为研究热点。大量研究表明,高连续流混合菌种生物制氢产氢能力的有效途径一就是提高混合菌种中产氢微生物的数量与产氢性。为了降低成本,并能在将来的工业化生产中Receiveddate:2007一07一ZO.Correspondingauthor:Prof.RENNanqi.E—mail:rnq@hit.edu∞Foundationitem:supportedbytheNational
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