Two stages kinetics of municipal sol.docx

TwostageskineticsofmunicipalsolTwostageskineticsofmunicipalsolidwasteinoculationcompostingprocessesAbstract：Inordertounderstandthekeymechanismsofthecompostingprocesses,themunicipalsolidwaste(MSW)compostingprocessesweredividedintotwostages,andthecharacteristicsoftypicalexperimentalscenariosfromtheviewpointofmicrobialkineticswasanalyzed.Throughexperimentationwithadvancedcompostingreactorundercontrolledcompostingconditions,severalequationswereworkedouttosimulatethedegradationrateofthesubstrate.Theequationsshowedthatthedegradationratewascontrolledbyconcentrationofmicrobesinthefirststage.ThedegradationratesofsubstratesofinoculationRunA,B,CandControlcompostingsystemswere13.61g/(kg·h),13.08g/(kg·h),15.671g/(kg·h),and10.5g/(kg·h),respectively.ThevalueofRunCisaround1.5timeshigherthanthatofControlsystem.Thedecompositionrateofthesecondstageiscontrolledbyconcentrationofsubstrate.AlthoughtheorganicmatterdecompositionratesweresimilartoallRuns,inoculationcouldreducethevaluesofthehalfvelocitycoefficientandcouldbemoreefficienttomakethecompostingstable.Particularly.ForRunC,thedecompositionrateishighinthefirststage,andislowinthesecondstage.Theresultsindicatedthattheinoculationwasefficientforthecompostingprocesses.作者：XIBei-dou  HUANGGuo-he  QINXiao-sheng  LIUHong-liang 作者单位：XIBei-dou(ChineseResearchAcademyofEnvironmentalScience,Beijing100012,China.;EVSE,FacultyofEngineering,UniversityofRegina,Regina,SK,Canada,S4S0A2)HUANGGuo-he,QINXiao-sheng(EVSE,FacultyofEngineering,UniversityofRegina,Regina,SK,Canada,S4S0A2)LIUHong-liang(ChineseResearchAcademyofEnvironmentalScience,Beijing100012,China.) 期刊：环境科学学报(英文版) ISTICSCI Journal：JOURNALOFENVIRONMENTALSCIENCES 年，卷(期)：2004, 16(3) 分类号：X705 Keywords：municipalsolidwaste  inoculationcomplexmicrobialcommunity  oxygenconsumption  twostageskineticsequations