预览加载中，请您耐心等待几秒...

高浓度赤泥颗粒特性和流变特性的试验研究.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

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