Kinetic study of ultrasonic-assisted vanadium(V) adsorption by supported bifunctionalizedized ionic liquid  

负载型双官能团离子液体超声辅助钒(Ⅴ)吸附的动力学研究

作　　者：Jia-hao ZHOU Shen-xu BAO Yi-min ZHANG Bo CHEN Yu LIANG Xiao-chuan HOU Si-yuan YANG Yang PING 周佳豪;包申旭;张一敏;陈波;梁钰;侯晓川;杨思原;平杨(武汉理工大学关键非金属矿产资源绿色利用教育部重点实验室,武汉430070;武汉理工大学资源与环境工程学院,武汉430070;矿物资源加工与环境湖北省重点实验室,武汉430070;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;浙江新时代中能循环科技有限公司,绍兴312000;中电建生态环境集团有限公司,深圳518102)

机构地区：[1]Key Laboratory of Green Utilization of Critical Non-metallic Mineral Resources,Ministry of Education,Wuhan University of Technology,Wuhan 430070,China [2]School of Resources and Environmental Engineering,Wuhan University of Technology,Wuhan 430070,China [3]Hubei Key Laboratory of Mineral Resources Processing and Environment,Wuhan 430070,China [4]State Environmental Protection Key Laboratory of Mineral Metallurgical Resources Utilization and Pollution Control,Wuhan University of Science and Technology,Wuhan 430081,China [5]Zhejiang New Era Zhongneng Recycling Technology Co.,Ltd.,Shaoxing 312000,China [6]Powerchina Eco-environmental Group Co.,Ltd.,Shenzhen 518102,China

出　　处：《Transactions of Nonferrous Metals Society of China》2025年第3期1000-1016,共17页中国有色金属学报(英文版)

基　　金：financially supported by the National Natural Science Foundation of China(No.52074204);Key R&D Program of Zhejiang Province,China(No.2022C03061)。

摘　　要：The adsorption kinetics of polystyrene[1-butyl-3-methylimidazolium][bis(2,4,4-trimethylpentyl)phosphinate](PS[C_(4)mim][C272])towards V(V)in acidic leachate was explored under ultrasound.The effects of ultrasonic power and V(V)concentration on the adsorption performance of PS[C_(4)mim][C272]were investigated.The results showed that ultrasonic radiation significantly shortened the adsorption equilibrium time and improved the adsorption performance of PS[C_(4)mim][C272]compared with the conventional oscillation.At an ultrasonic power of 200 W,the equilibrium adsorption capacity of PS[C_(4)mim][C272]reached its maximum of 311.58 mg/g.The kinetic model fitting results showed that the adsorption process of PS[C_(4)mim][C272]strictly followed the pseudo-second-order kinetic model under ultrasound.Analysis using the shrinking core model and the Weber−Morris model showed that the adsorption process of PS[C_(4)mim][C272]was primarily controlled by intra-particle diffusion mechanism.The adsorption isotherm model study showed that the Langmuir isotherm model could effectively fit the adsorption process of PS[C_(4)mim][C272]under ultrasound.探讨聚苯乙烯[1-丁基-3-甲基咪唑][双(2,4,4-三甲基戊基)膦酸盐](PS[C_(4)mim][C272])在超声条件下对酸性浸出液中钒(Ⅴ)的吸附动力学。研究超声功率和钒(Ⅴ)浓度对PS[C_(4)mim][C272]吸附性能的影响。结果表明,与常规振荡相比,超声波辐射大大缩短了PS[C_(4)mim][C272]的吸附平衡时间,提高了其吸附性能。在超声功率为200 W时,PS[C_(4)mim][C272]的平衡吸附容量达到最大值311.58 mg/g。动力学模型拟合结果表明,PS[C_(4)mim][C272]在超声条件下的吸附过程严格遵循准二级动力学模型。利用收缩核模型和韦伯-莫里斯模型进行分析表明,PS[C_(4)mim][C272]的吸附过程主要受颗粒内扩散机制控制。吸附等温模型研究表明,Langmuir等温模型能有效地拟合PS[C_(4)mim][C272]在超声下的吸附过程。

关 键 词：kinetics ultrasound VANADIUM polystyrene[1-butyl-3-methylimidazolium][bis(2 4 4-trimethylpentyl)-phosphinate] conventional oscillation ADSORPTION 

分 类 号：O64[理学—物理化学]