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聚羧酸系水煤浆分散剂的合成及性能研究.docx

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聚羧酸系水煤浆分散剂的合成及性能研究 Title:SynthesisandPerformanceStudyofPolycarboxylate-basedWaterCoalSlurryDispersants Abstract: Watercoalslurry(WCS)isapromisingalternativefuelthatcanbeusedinvariousapplications,includingpowergenerationandindustrialheating.However,thestabilityandrheologicalpropertiesofWCSaresignificantconcernsforitsefficienttransportationandcombustion.Inthisstudy,wefocusonthesynthesisandperformanceevaluationofpolycarboxylate-baseddispersantsforwatercoalslurry.Theaimistodevelopdispersantswithexcellentdispersing,stabilizing,andrheologicalproperties,whichcanenhancetheoverallperformanceandutilizationofWCS. Keywords:watercoalslurry,dispersant,polycarboxylate,synthesis,performance 1.Introduction 1.1Background 1.2Objectives 2.LiteratureReview 2.1WaterCoalSlurry(WCS) 2.2DispersantsforWCS 2.3Polycarboxylate-basedDispersants 3.ExperimentalSection 3.1MaterialsandReagents 3.2SynthesisofPolycarboxylate-basedDispersants 3.3EvaluationofDispersantPerformance 3.4CharacterizationTechniques 4.ResultsandDiscussion 4.1SynthesisofPolycarboxylate-basedDispersants 4.2PerformanceEvaluation 4.3RheologicalPropertiesofWCS 4.4MechanismsandFactorsInfluencingPerformance 5.Conclusion 5.1SummaryofFindings 5.2ImplicationsandPotentialApplications 5.3RecommendationsforFutureResearch References 1.Introduction 1.1Background Watercoalslurry(WCS)isasolid-liquidmixtureconsistingofpulverizedcoalparticlesandwaterasthecarrierfluid.Itisconsideredapromisingalternativefuelduetoitsnumerousadvantages,suchashighenergyconversionefficiency,lowemissions,andeasytransportation.However,thestabilityandrheologicalpropertiesofWCSplayacriticalroleinitsefficienthandling,storage,andcombustion.Maintaininganoptimaldispersionandstabilityofcoalparticlesinwaterisessentialtoachieveefficientcombustion,reduceclogging,andminimizewearinslurrytransportationpipelines. 1.2Objectives Theprimaryobjectiveofthisstudyistosynthesizeandevaluatetheperformanceofpolycarboxylate-baseddispersantsforwatercoalslurry.Thedispersantsaimtoenhancethedispersi