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Recovery of oxalic acid from mother-liquor containing hydrochloric acid and cobalt by solvent extraction with P350 TIAN Qing-hua(田庆华), GUO Xue-yi(郭学益), LI Zhi-hai(李治海) School of Metallurgical... ____________________________________________________________________________________________ Abstract: The solvent of P350 was applied to extract and separate the oxalic acid from the mother-liquor originated from the precipitation of cobalt by oxalic acid, and its extraction......
and oxalic acid with copper-loaded activated carbon RAO Yi-fei(饶义飞)1, LUO Han-jin(罗汉金)1, WEI Chao-hai(韦朝海)1, LUO Ling-feng(罗凌峰)2 1. College of Environmental Science and Engineering, South China... and tested as a catalyst in the ozonation of phenol and oxalic acid. Cu/AC was characterized using XRD, BET and SEM techniques. Compared with ozonation alone, the presence of Cu/AC in the ozonation......
Trans. Nonferrous Met. Soc. China 22(2012) 456-460 Red-mud treatment using oxalic acid by UV irradiation assistance YU Zhang-long1, SHI Zhi-xia2, CHEN Yong-mei1, NIU Yin-jian1, 3, WANG Yong-xia1... the Bayer process, in which the iron minerals should be removed before red-mud is used to produce refractory materials. The iron minerals in red-mud were extracted by oxalic acid solution. The content......
Preparation of large particle rare earth oxides by precipitation with oxalic acid WANG Mitang1,LI Mei1,SHI Zhenxue1,LIU Zhaogang1,HU Yanhong1 (1.School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, China) Abstract:The large particle CeO2 and Y2O3 were prepared using oxalic acid as precipitator. The effects of operational parameters......
Reductive leaching of indium from the neutral leaching residue using oxalic acid in sulfuric acid solutionF.Maddah,M.Alitabar,H.YoozbashizadehDepartment of Materials Science and Engineering, Sharif University of Technology摘 要:The present study evaluates the reductive leaching of indium from indium-bearing zinc ferrite using oxalic acid as a reducer......
Photocatalytic activity of CuO towards HER in catalyst from oxalic acid solution under simulated sunlight irradiation YAO Mao-hai(姚茂海)1, TANG You-gen(唐有根)1, ZHANG Li(张 丽)2, YANG Hai-hua(杨海华)1... evolution reaction (HER) in oxalic acid solution under simulated sunlight irradiation. The highest photocatalytic activity of the as-obtained CuO was achieved at the calcination temperature of 1 000......
Characteristic of synergistic extraction of oxalic acid with system from rare earth metallurgical wastewater邱廷省,刘庆生,方夕辉,彭时忠School of Resource and Environment, Jiangxi University of Science.... It was a mixed solution of oxalic acid and hydrochloric acid, so the recycling use was very difficult. The method of liquid-liquid extraction was proposed in this paper to achieve wastewater treatment......
Characteristic of synergistic extraction of oxalic acid with system from rare earth metallurgical wastewater邱廷省,刘庆生,方夕辉,彭时忠School of Resource and Environment, Jiangxi University of Science.... It was a mixed solution of oxalic acid and hydrochloric acid, so the recycling use was very difficult. The method of liquid-liquid extraction was proposed in this paper to achieve wastewater treatment......
Dissolution kinetics of iron oxides in clay in oxalic acid solutionsU.K. Sultana,A.S.W. KurnyDepartment of Materials and Metallurgical Engineering, Bangladesh University of Engineering and Technology摘 要:Clay samples containing 8.15% iron oxides and 27.49% alumina were leached in oxalic acid. Leaching experiments were per-formed in aqueous solutions......
