高浓度赤泥颗粒特性和流变特性的试验研究-豆柴文库

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高浓度赤泥颗粒特性和流变特性的试验研究
Abstract:
Thehigh-concentrationredmudparticleandrheologicalcharacteristicsteststudydiscussedthecharacteristicsandperformanceofhigh-concentrationredmudparticlesandtherheologicalcharacteristicsofthematerial.Thestudyfoundthatthehigh-concentrationredmudparticleshadhighplasticityandviscosity,whichhadimplicationsfortheiruseanddisposal.
Introduction:
Redmudisaby-productofthealuminumindustryandisprimarilymadeupofironoxideandotherminerals.Redmudisproducedinlargequantities,anditsdisposalhasbeenamajorenvironmentalissue.Researchershavebeenexploringthecharacteristicsandbehaviorofredmudparticlestobetterunderstandtheirpotentialimplicationsfortheenvironmentandtheindustry.
Objectives:
Theobjectivesofthisstudyweretoinvestigatethecharacteristicsofhigh-concentrationredmudparticlesandtherheologicalcharacteristicsofthematerial.Specifically,weaimedtodeterminetheparticlesizedistribution,shape,andsurfacestructureoftheredmudparticles,aswellasmeasuretheirflowbehaviorunderdifferentrheologicalconditions.
Methods:
Inthisstudy,weusedalaserparticleanalyzertomeasuretheparticlesizedistributionofredmudparticles.Wealsousedscanningelectronmicroscopytoinvestigatetheshapeandsurfacestructureoftheparticles.Weconductedaseriesofrheologicalteststomeasuretheflowbehaviorofhigh-concentrationredmud.
Results:
Ourresultsshowedthattheredmudparticleshadanaverageparticlesizeof2.87μmandawideparticlesizedistribution.Theparticlesvariedinshapeandhadroughsurfaceswithirregularshapesandedges.Therheologicaltestresultsshowedthatthehigh-concentrationredmudhadahighyieldstressandplasticviscosity.Thematerialexhibitedashear-thinningbehavior,anditsviscositydecreasedwithincreasingshearrate.
Discussion:
Theresultsofthisstudyhaveimportantimplicationsfortheuseanddisposalofhigh-concentrationredmud.Thematerial'shighplasticityandviscositymakeitdifficulttoworkwithanddisposeof,requiringfurtherresearchintoitspotentialapplicationsanddisposalmethods.Theshear-thinningbehaviorofthematerialmaybeusefulincertainindustrialprocesse