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抗生素菌渣等温热解特性与气化过程数值模拟.docx

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抗生素菌渣等温热解特性与气化过程数值模拟 Title:NumericalSimulationoftheThermalDecompositionandGasificationProcessofAntibioticResidue Abstract: Antibioticresistancehasbecomeamajorglobalconcerninrecentyears.Theimproperdisposalofantibioticresiduecancontributetotheprevalenceofantibiotic-resistantbacteriaintheenvironment.Therefore,itiscrucialtounderstandthethermaldecompositionandgasificationcharacteristicsofantibioticresiduetodevelopsafeandefficientdisposalmethods.Inthisstudy,weconductedanumericalsimulationtoinvestigatethethermaldecompositionandgasificationprocessofantibioticresidue,aimingtoprovideinsightsintothebehaviorsandemissionsofantibioticresidueduringthermaltreatment. 1.Introduction: 1.1Background: Thewidespreaduseofantibioticsinmedicineandagriculturehasledtotheaccumulationofantibioticresidueinvariousenvironmentalcompartments.Theinadequateremovalanddisposalofantibioticresiduecanresultinadverseecologicalandhealtheffects.Itis,therefore,imperativetoexploreeffectiveandsustainabledisposaltechniquesforantibioticresidue. 1.2AimandObjectives: Theaimofthisstudyistonumericallysimulatethethermaldecompositionandgasificationprocessofantibioticresidueandanalyzethekeyparametersinfluencingtheprocess.Theobjectivesaretoinvestigatethethermalbehaviorsofantibioticresidue,understandtheemissioncharacteristicsofgaseouspollutants,andproposestrategiestoenhancethedisposalefficiencyandminimizeenvironmentalimpacts. 2.Methodology: 2.1SystemDescriptionandAssumptions: Amathematicalmodelwasdevelopedtosimulatethethermaldecompositionandgasificationprocessofantibioticresidue.Themodelconsideredparameterssuchastemperature,residencetime,andinitialcompositionoftheresidue.Assumptionsweremadetosimplifythesimulationandensureapracticalapproximationoftherealprocess. 2.2ComputationalFluidDynamics(CFD)Simulation: ThesimulationwasperformedusingaCFDapproach,whichsolvestheNavier-Stokesequationstopredicttheflowfieldandtemperaturedistributioninthereactor.Massconservationequationswereemployedtoaccountforthespeciestransportandreactionra