杨帆,徐志刚,王永茜,汪世川,唐巳洋,罗丁月,张冬梅

• 1:重庆康普化学工业股份有限公司金属溶剂萃取工程技术中心

摘要(Abstract)：

以TRPO为改性剂，研究了采用Mextral~?6104H/异壬酸协萃体系从红土镍矿浸出液中萃取镍。结果表明：TRPO浓度0.5 mol/L、萃取平衡pH=5.0条件下，镍萃取率可达95%以上；反萃取平衡pH=1.0条件下，反萃取率达98%以上，且对萃取速率和反萃取速率影响较小，均能在较短时间内完成；Mextral~? 6104H/异壬酸/TRPO协同反萃取镍的反应呈正协同效应，理论级数为两级萃取、两级反萃取。改性剂TRPO对羟肟/羧酸协萃体系可改善常温条件下镍的反萃取动力学，从而简化萃取分离流程，减少碳排放，降低运行成本。

关键词(KeyWords)： 协萃体系;TRPO;红土镍矿浸出液;选择性分离;镍

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 杨帆,徐志刚,王永茜,汪世川,唐巳洋,罗丁月,张冬梅

DOI: 10.13355/j.cnki.sfyj.2023.04.010

参考文献(References)：

• [1] TABRIZI L,MCARDLE P,ERXLEBEN A,et al.Nickel(Ⅱ) and cobalt(Ⅱ)complexes of lidocaine:synthesis,structure and comparative in vitro evaluations of biological perspectives[J].European Journal of Medicinal Chemistry,2015,103:516-529.
• [2] 徐志刚，季尚军，王朝华，等.溶液中镍钴萃取分离技术研究状况[J].湿法冶金，2018,37(5):342-348.
• [3] 杨斌，宋永发，魏世忠，等.用Cyanex272从高纯硫酸镍溶液中萃取分离痕量钴试验研究[J].湿法冶金，2021,40(1):62-67.
• [4] SHEN Y,XUE W Y,NIU W Y.Recovery of Co(Ⅱ) and Ni(Ⅱ) from hydrochloric acid solution of alloy scrap[J].Transactions of Nonferrous Metals Society of China,2008,18(5):1262-1268.
• [5] CHENG C Y,BARNARD K R,ZHANG W,et al.Recovery of nickel,cobalt,copper and zinc in sulphate and chloride solutions using synergistic solvent extraction[J].Chinese Journal of Chemical Engineering,2016,24(2):237-248.
• [6] GUIMARAES A S,MANSUR M B.Selection of a synergistic solvent extraction system to remove calcium and magnesium from concentrated nickel sulfate solutions[J].Hydrometallurgy,2018,175:250-256.
• [7] 吴霞，朱山，李松.LIX63和Versatic10萃取体系中镍钴锰的协萃机制研究[J].湿法冶金，2020,39(1):34-40.
• [8] JOO S H,SHIN D J,OH C H,et al.Selective extraction and separation of nickel from cobalt,manganese and lithium in pre-treated leach liquors of ternary cathode material of spent lithium-ion batteries using synergism caused by Versatic 10 acid and LIX 84-I[J].Hydrometallurgy,2016,159:65-74.
• [9] CHENG C Y,URBANI M D,DAVIES M G,et al.Recovery of nickel and cobalt from leach solutions of nickel laterites using a synergistic system consisting of Versatic 10 and Acorga CLX 50[J].Minerals Engineering,2015,77:17-24.
• [10] ZHU Z,ZHANG W,PRANOLO Y,et al.Separation and recovery of copper,nickel,cobalt and zinc in chloride solutions by synergistic solvent extraction[J].Hydrometallurgy,2012,127:1-7.
• [11] HUTTON-ASHKENNY M,BARNARD K R,IBANA D.The use of pyridine derivatives as accelerators in the solvent extraction of nickel from a nitrate matrix by LIX?63/VersaticTM10[J].Hydrometallurgy,2015,153:74-82.
• [12] PABBY A K,HADDAD R,ALGUACIL F J,et al.Improved kinetics-based gold cyanide extraction with mixture of LIX79+TRPO utilizing hollow fiber membrane contactors[J].Chemical Engineering Journal,2004,100(1/2/3):11-22.