CA-100/HZ802浸渍树脂在硫酸体系中吸附Ga(Ⅲ)
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摘要
以仲壬基苯氧基乙酸(CA-100)为萃取剂、苯乙烯-二乙烯基苯大孔吸附树脂(HZ802)为载体制备了CA-100/HZ802浸渍树脂,并对其进行了红外光谱和热重表征.研究了该浸渍树脂在硫酸溶液中吸附Ga(III)的性能.结果表明:在298K时,浸渍树脂对Ga(III)的吸附最佳pH值为3.2,饱和吸附容量为18.37mg·g-1,在含有Ga(III),Zn(II),Cu(II),Al(III)的混合模拟体系中,浸渍树脂可以对Ga(III)进行选择性地吸附.动态实验表明,0.5mol·L-1的硫酸溶液可以将吸附在浸渍树脂上的Ga(III)洗脱下来.
CA-100/HZ802 solvent impregnated resins were prepared with sec-nonylphonoxy acetic acid(CA-100)as the extractant and styrene-divinyl benzene macroporous adsorption resin(HZ802)as the carrier,and they were then characterized by infrared spectroscopy(IR)and thermogravimetric analysis(TG).Ga(III)adsorption performance from sulfuric acid system was investigated with the SIRs.It was found that SIRs showed the best adsorption for Ga(III)at pH 3.2 and saturated adsorption capacity was18.37 mg·g-1.In the mixed solution containing Ga(III),Zn(II),Cu(II)and Al(III),CA-100/HZ802 solvent impregnated resins selectively adsorbed Ga(III).Dynamic adsorption experiments showed that0.5 mol·L-1 H2 SO4 solution could elute Ga(III)adsorbed on the solution impregnating resin.
CA-100/HZ802 solvent impregnated resins were prepared with sec-nonylphonoxy acetic acid(CA-100)as the extractant and styrene-divinyl benzene macroporous adsorption resin(HZ802)as the carrier,and they were then characterized by infrared spectroscopy(IR)and thermogravimetric analysis(TG).Ga(III)adsorption performance from sulfuric acid system was investigated with the SIRs.It was found that SIRs showed the best adsorption for Ga(III)at pH 3.2 and saturated adsorption capacity was18.37 mg·g-1.In the mixed solution containing Ga(III),Zn(II),Cu(II)and Al(III),CA-100/HZ802 solvent impregnated resins selectively adsorbed Ga(III).Dynamic adsorption experiments showed that0.5 mol·L-1 H2 SO4 solution could elute Ga(III)adsorbed on the solution impregnating resin.
引文
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[2]Swain B,Mishra C,Kang L,et al.Recycling process for recovery of gallium from GaNan e-waste of LED industry through ball milling,annealing and leaching.[J].Environmental Research,2015,138:401-408.
[3]ampa A,Berginc M,Vojisavljevi K,et al.Optical and electrical properties ofgalliumdoped indium tin oxide optimized for low deposition temperature applications[J].Thin Solid Films,2017,621:52-57.
[4]舒建生.陕西府谷矿区南部煤中镓的赋存规律和成矿前景探讨[J].中国煤炭,2018,(11):33-38.
[5]刘延红,郭昭华,池君洲,等.镓回收方法与技术的研究与进展[J].稀有金属与硬质合金,2016,44(01):1-8+20.
[6]陆挺.中国铟镓锗产业链发展战略研究[D].北京:中国地质大学,2016.
[7]Chen W S,Wang Y C,Chiu K L.The separation and recovery of indium,gallium,and zinc from spent GZO(IGZO)targets[J].Journal of Environmental Chemical Engineering,2017,5(1):381-390.
[8]Liu F,Liu Z,Li Y,et al.Recovery and separation of gallium(III)and germanium(IV)from zinc refinery residues.Part II:Solvent extraction[J].Hydrometallurgy,2017,171:149-156.
[9]黄蒙蒙,李宏煦,刘召波.不同二次资源中镓提取方法的研究进展[J].有色金属科学与工程,2017,8(1):21-28.
[10]邱伟明,奚长生,丘秀珍,等.从冶锌工业废渣中提取镓和铟[J].有色金属(冶炼部分),2017(5):28-32.
[11]Kabay N,Cortina J L,Trochimczuk A,et al.Solvent-impregnated resins(SIRs)-Methods of preparation and their applications[J].Reactive&Functional Polymers,2010,70(8):484-496.
[12]高学珍,魏士龙,曹鹏,等.P507/D301浸渍树脂吸附铟(III)的性能研究[J].鲁东大学学报(自然科学版),2017,33(4):340-345.
[13]王俊莲,孙春宝,徐盛明.基于稀土分离的萃淋树脂制备与应用研究[J].中国稀土学报,2015,33(2):129-145.
[14]Vaughan J,Dieters C,Fu W,et al.Properties of Lewatit?TP272,a commercial solvent impregnated cation exchange resin for cobalt recovery[J].Minerals Engineering,2016,88:2-8.
[15]汪菊香.双萃取剂浸渍树脂分离硫酸体系中镍钴的研究[D].北京有色金属研究总院,2016.