资源描述：
《生物有机垃圾厌氧消化制取甲烷的研究.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、安徽农业科学,JournalofAnhuiAgri.Sci.2007,35(34):11203-11205,11225责任编辑陈玉敏责任校对俞洁生物有机垃圾厌氧消化制取甲烷的研究冯磊,BernhardRaninger,李润东,李延吉(沈阳航空工业学院清洁能源与环境工程研究所,辽宁沈阳110136)摘要[目的]倡导垃圾分类的新理念。[方法]在37条件下对沈阳市源分类后城市生物有机垃圾进行为期50d批消化处理试验。3[结果]结果表明:沈阳市皇姑区和东陵区示范小区城市生物有机垃圾厌氧消化沼气实
2、验室产量为0.799和0.803m/kgVS,沼气中甲烷浓度分别为52.84vol%和53.17vol%,4个示范小区厌氧生物降解率分别为82.52%、73.76%、59.53%及64.41%;消化过程中,pH值的调节方式对沼气的产量及厌氧最终生物降解率无显著影响,对沼气的产气时间有影响。一次大量投料可缩短pH值调节时间,提高产气效率;沈阳市示范小区城市生物有机垃圾产气量(G)关于TS(T)、VS(V)的一元线性回归关系为:G=2.33+0.29T和G=0.89+0.65V,相关系数分别为0.9803和0.9075。[结论]该研究
3、为生物有机垃圾厌氧消化制取甲烷的进一步研究提供了依据。关键词源分类;生物有机垃圾;厌氧消化;最终生物降解率中图分类号X7文献标识码A文章编号0517-6611(2007)34-11203-03ExperimentalStudyonPreparingMethanewithBiologicalOrganicGarbagebyAnaerobicDigestionFENGLeietal(InstituteofCleanEnergyandEnvironmentalEngineering,ShenyangInstituteo
4、fAeronauticalEngineering,Shenyang,Liaoning110136)Abstract[Objective]Theresearchaimedtoadvocatenewconceptofgarbageclassification.[Method]Undertheconditionsof37,thebatchprocess-ingdigestionexperimentwasconductedonurbanbiologicalorganicgarbagefor50dafterresourceclarifi
5、cationinShenyangcity.[Result]ThebiogasyieldinthelaboratoryproducedwithurbanbiologicalorganicgarbagebyanaerobicdigestioninHuangguandDonglingdemonstrationdistrictsofShenyangcity3were0.799and0.803m/kgVS,amongwhichthemethaneconcentrationwere52.84vol%and53.17vol%respective
6、ly.Thedegradationratesofanaerobicorganismin4demonstrationdistrictswere82.52%,73.76%,59.53%and64.41%respectively.Duringthedigestionprocess,theadjustmentmodeofpHvaluehadnotsignificanteffectsonthebiogasyieldandtheanaerobicultimateanaerobicbiodegradationrateandhadsomeeffe
7、ctsonthegasproductiontimeofbiogas.InputtingmassmaterialsoncecouldshortenthetimeofadjustingpHandincreasetheefficiencyofgasproduction.Theunitarylinearregressionrelationshipofthegasyield(G)producedbyurbanbiologicalorganicgarbageinShenyangdemonstrationdistrictswithTS(T)an
8、dVS(V)wasasfollows:G=2.33+0.29TandG=0.89+0.65Vrespectivelywiththecorrelationcoefficientsbeing0.9803and0.9075respectively.[Co
