新型烷基羟肟酸DX201萃取镓性能研究  

Extraction Performance of Gallium with A New Alkyl Hydroxamic Acid DX201

作　　者：张伟 周科华[3] 孙昱 廖文讯 张俊峰 吴才贵 ZHANG Wei;ZHOU Kehua;SUN Yu;LIAO Wenxun;ZHANG Junfeng;WU Caigui(Danxia Smelter,Shenzhen Zhongjin Lingnan Nonferrous Metals Co.,Ltd.,Shaoguan 512325,China;School of Chemistry and Chemical Engineering,Jiangxi University of Science and Technology Ganzhou 341000,China;Shenzhen Zhongjin Lingnan Nonferrous Metals Co.,Ltd.,Shenzhen 518040,China;School of Chemistry and Chemical Engineering,Wuhan University of Science and Technology,Wuhan 430081,China;Faculty of Metallurgy and Energy Engineering,Kunming University of Science and Technology,Kunming 650093,China)

机构地区：[1]深圳市中金岭南有色金属股份有限公司丹霞冶炼厂,广东韶关512325 [2]江西理工大学化学化工学院,江西赣州341000 [3]深圳市中金岭南有色金属股份有限公司,广东深圳518040 [4]武汉科技大学化学与化工学院,湖北武汉430081 [5]昆明理工大学冶金与能源工程学院,云南昆明650093

出　　处：《湿法冶金》2024年第6期658-664,共7页Hydrometallurgy of China

基　　金：国家重点研发计划项目(2021YFC2902802)。

摘　　要：研究了新型烷基羟肟酸DX201与P204组成的萃取体系在硫酸溶液中萃取镓的性能,考察了萃取及反萃取条件对其萃取镓性能的影响,并绘制了萃取与反萃取等温线。结果表明:对于硫酸质量浓度为20 g/L的硫酸盐溶液中,在有机相组成为10%DX201+15%P204+75%260#溶剂油、萃取相比V_(O)/V_(A)=1/1、萃取温度25℃、萃取时间15 min条件下,镓的单级萃取率为97.52%;采用2.5 mol/L稀硫酸溶液从负载有机相中反萃取镓,在反萃取相比V_(O)/V_(A)=2/1、反萃取温度25℃、反萃取时间2 min条件下,镓的单级反萃取率为94.21%;用DX201进行3级逆流萃取镓,萃取率可达99.64%,萃取性能稳定。The extraction performance of gallium in sulfuric acid solution with new alkyl hydroxamic acid DX201 and P204 was studied.The effects of extraction and stripping conditions on gallium extraction performance were investigated.The extraction and stripping isotherms were drawn.The results show that the single-stage extraction rate of gallium is 97.52%under the conditions of V_(O)/V_(A)=1/1,extraction temperature of 25℃and extraction time of 15 min in sulfate solution with mass concentration of sulfuric acid of 20 g/L sulfate solution and organic phase composition of 10%DX201+15%P204+75%260#solvent oil.Using 2.5 mol/L dilute sulfuric acid solution to strip gallium from supported organic phase,the single stage stripping rate of gallium is 94.21%under the conditions of V_(O)/V_(A)=2/1,stripping temperature of 25℃and stripping time of 2 min.The extraction rate of gallium in 3-stage countercurrent extraction is 99.64%,and the extraction performance is stable.

关 键 词：烷基羟肟酸 P204 萃取 镓 硫酸体系 

分 类 号：TF804.2[冶金工程—有色金属冶金] TF843.1