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Recovery of rare earths from acid leach solutions of spent nickel-metal hydride batteries using solvent extraction夏允,肖连生,田吉英,李兆洋,曾理摘 要:The extraction of rare earths from acid leach solutions of spent nickel-metal hydride batteries using a primary amine extractant of N1923 was studied.The effects of feed pH,temperature,agitation rate and time......
Recovery of rare earths from acid leach solutions of spent nickel-metal hydride batteries using solvent extraction夏允,肖连生,田吉英,李兆洋,曾理摘 要:The extraction of rare earths from acid leach solutions of spent nickel-metal hydride batteries using a primary amine extractant of N1923 was studied.The effects of feed pH,temperature,agitation rate and time......
Synthesis and characterization of Co3O4 prepared from atmospheric pressure acid leach liquors of nickel laterite oresLong Meng1,2,3,Zhan-cheng Guo2,Jing-kui Qu1,3,Tao Qi1,3,Qiang Guo1,3,4,Gui-hua... method was developed to synthesize Co3O4 nanoparticles using cobalt liquor obtained from the atmospheric pressure acid leaching process of nickel laterite ores. The effects of the precursor reaction......
Extraction of rare earth ions from phosphate leach solution using emulsion liquid membrane in concentrated nitric acid mediumQianlin Chen1,2,Xin Ma1,Xin Zhang1,Yunqi Liu1,Ming Yu11. School... presents a comprehensive study on the extraction of rare earth ions(RE3+) from phosphate leach solution using emulsion liquid membrane(ELM) in concentrated nitric acid medium. The ELM system is made up......
Extraction of rare earth ions from phosphate leach solution using emulsion liquid membrane in concentrated nitric acid mediumQianlin Chen1,2,Xin Ma1,Xin Zhang1,Yunqi Liu1,Ming Yu11. School... presents a comprehensive study on the extraction of rare earth ions(RE3+) from phosphate leach solution using emulsion liquid membrane(ELM) in concentrated nitric acid medium. The ELM system is made up......
to be 180 ℃. Fig.2 Effect of temperature on the leach recovery of vanadium at 3 h, 25% addition of H2SO4, 1.2 mL/g L/S and 85% particle size of 0.074 mm 3.3 Effect of addition of sulfuric acid... Province of China is achieved using pressure acid leaching process. The leach recovery of vanadium is about 77% at the following optimum leaching parameters of one-step leaching: reaction time of 3 h......
A new route of ferric ions rejection in a synthetic nickel leach solutionBabak HoudehDepartment of Mining Engineering,The University of Tehran摘 要:A new route of impurity rejection to remove ferric iron from a synthetic nickel leach solution was introduced,which simulated the chemical composition of a typical acid leach solution of nickel laterites under......
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Solvent extraction of molybdenum from acidic leach solution of Ni–Mo oreMing-Yu Wang,Xue-Wen Wang,Chang-Jun Jiang,Chao-Fan TaoSchool of Metallurgical Science and Engineering, Central South University摘 要:A P204(D2EHPA) diluted with sulfonated kerosene was used for the selective extraction of molybdenum from an acidic Ni–Mo ore leach solution......
