简介：Thepresentpaperdescribesthestatisticalmodelingandoptimizationofamultistagegas-solidfluidizedbedreactorforthecontrolofhazardouspollutantsinfluegas.Inthiswork,westudythehydrodynamicsofthepressuredropandminimumfluidizationvelocity.Thehydrodynamicsofathree-stagefluidizedbedarethencomparedwiththoseforasingle-stageunit.Itisobservedthatthetotalpressuredropoverallstagesofthethree-stagefluidizedbedislessthanthatofanidenticalsingle-stagesystem.However,theminimumfluidizationvelocityishigherinthesingle-stageunit.Underidenticalconditions,theminimumfluidizationvelocityishighestinthetopbed,andlowestinthebottombed.Thissignifiesthatthebehaviorofsolidschangesfromawell-mixedflowtoaplug-flow,withintermediatebehaviorinthemiddlebed.