山东化工收稿日期:2022－08－07作者简介:曹彪，本科，工程师，现从事硬岩铀矿水冶技术管理工作。某铀矿山离子交换吸附工艺影响因素试验研究曹彪1，段海城1，董宏真1，费亚男2(1．中核韶关锦原铀业有限公司，广东韶关512328;2．中核(广东)科技有限公司，广东韶关512029)摘要:针对某铀矿浸出液离子交换吸附工艺树脂饱和容量低、尾液含量高等问题，通过模拟生产使用的密实移动床，开展室内离子交换吸附条件试验;根据矿石性质和树脂选择性，确定了离子交换吸附工艺的主要影响因素。本次试验主要研究了铀浓度、pH值、Fe3+浓度和Cl－浓度对树脂吸附效果的影响。试验结果表明:浸出液中铀浓度对树脂吸附效果影响较大，pH值、Fe3+浓度和Cl－浓度控制在一定范围内对吸附影响较小。通过本次研究，为铀浸出回收工艺控制提供了依据，有利于降低尾液铀浓度，提高吸附效果，保证各工序有效衔接及稳定运行。关键词:铀;树脂;吸附;影响因素中图分类号:TQ028．3文献标识码:A文章编号:1008－021X(2023)03－0052－03TheExperimentalＲesearchonInfluencingFactorsofIonExchangeAdsorptionProcessinaUraniumMineCaoBiao1，DuanHaicheng1，DongHongzhen1，FeiYanan2(1．ShaoguanJinyuanUraniumCo．，Ltd．，CNNC，Shaoguan512328，China;2．ChinaNuclear(Guangdong)TechnologyCo．，Ltd．，Shaoguan512029，China)Abstract:Aimingattheproblemsoflowresinsaturationcapacityandhighuraniumconcentrationintherecycledliquidthatintheionexchangeadsorptionprocessofuraniuminleachingsolution，theindoorionexchangeadsorptionconditiontestswerecarriedoutbysimulatingapackedmovingbedusedinproduction．Accordingtothepropertiesofuraniumoreandtheresinselectivety，themaininfluencingfactorsofionexchangeadsorptionprocessweredetermined．Thisexperimentmainlystudiedtheinfluenceofuraniumconcentration，pH，Fe3+concentrationandCl－concentrationontheadsorptioneffectofresin．Theresultsshowthattheconcentrationofuraniuminleachingsolutionhasagreatinfluenceontheadsorptioneffectofresin，whilethepH，theconcentrationofFe3+andCl－controlledwithinacertainrangehaslittleinfluenceontheadsorption．Throughthisexperimentalresearch，thebasisforthecontrolofuraniumleachingandrecoveryprocessisprovided，whichisconducivetoreducingtheconcentrati...
