第14卷第4期2023年8月有色金属科学与工程NonferrousMetalsScienceandEngineeringVol.14,No.4Aug.2023拜耳循环母液中钒的选择性吸附性能及机理王泽玮1a,1b,张伟光*1a,1b,梁新星2,刘远1a,1b,喻亮1a,1b,曹雪娇1a,1b,蔡震雷3,胡磊4(1.桂林理工大学,a.材料科学与工程学院;b.有色金属及材料加工新技术教育部重点实验室,广西桂林541004;2.北方矿业有限责任公司,北京100053;3.武汉科技大学国家环境保护矿冶资源利用与污染控制重点实验室,武汉430081;4.矿冶科技集团有限公司,北京100160)摘要:通过对阴离子交换树脂筛选,选择树脂D201对拜耳循环母液中钒的选择性吸附性能及机理进行研究。在树脂D201用量为3g/L、搅拌速率为550r/min、温度为30℃、吸附时间为30min条件下,树脂D201的吸附率达到29.48%,吸附容量为11.5mg/g。吸附动力学和吸附等温线结果表明,吸附过程符合准二级动力学模型,吸附等温线符合Freundlich等温线模型。对比分析空白树脂和负载树脂的红外光谱,结果表明,树脂D201可以从拜耳循环母液中选择性吸附钒。关键词:钒;树脂D201;动力学;吸附等温线;拜耳循环母液中图分类号:TF843文献标志码:ASelectiveadsorptionperformanceandmechanismofvanadiuminBayerrecirculatingmotherliquorWANGZewei1a,1b,ZHANGWeiguang*1a,1b,LIANGXinxing2,LIUYuan1a,1b,YULiang1a,1b,CAOXuejiao1a,1b,CAIZhenlei3,HULei4(1a.SchoolofMaterialsScienceandEngineering;1b.KeyLaboratoryofNonferrousMetalsandMaterialsProcessingNewTechnology,MinistryofEducation,GuilinUniversityofTechnology,Guilin541004,Guangxi,China;2.NorthMiningLimited,Beijing100053,China;3.NationalKeyLaboratoryofMineralandMetallurgicalResourceUtilizationandPollutionControlforEnvironmentalProtection,WuhanUniversityofScienceandTechnology,Wuhan430081,China;4.BGRIMMTechnologyGroup,Beijing100160,China)Abstract:Byscreeninganionexchangeresins,thispaperselectedresinD201tostudytheselectiveadsorptionperformanceandmechanismofvanadiuminBayerrecirculatingmotherliquor.UndertheconditionsofaresinD201dosageof3g/L,stirringrateof550r/min,temperatureof30℃,andadsorptiontimeof30min,theadsorptionrateofresinD201reached29.48%,andtheadsorptioncapacitywas11.5mg/g.Theadsorptionkineticsandadsorpt...