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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......
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......
Trans. Nonferrous Met. Soc. China 22(2012) 1655-1660 Effects of boric acid on microstructure and corrosion resistance of boric/sulfuric acid anodic film on 7050 aluminum alloy DU Nan, WANG Shuai...; accepted 14 October 2011 Abstract: The microstructure and corrosion resistance of different boric/sulfuric acid anodic (BSAA) films on 7050 aluminum alloy were studied by atomic force microscopy (AFM......
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Synthesis and Performance of Mesoporous Phosphotungstic Acid/Alumina Composite as a Novel Oxidative Desulfurization Catalyst颜学敏,XIONG Lin,MEI PingCollege of Chemistry and Environmental Engineering, Yangtze University摘 要:A series of mesoporous phosphotungstic acid/alumina composites(HPW/Al2O3) with various HPW contents were synthesized by evaporation......
Extraction of cobalt from laterite ores by citric acid in presence of ammonium bifluoride LI Guang-hui(李光辉),RAO Ming-jun(饶明军), LI Qian(李 骞), PENG Zhi-wei(彭志伟), JIANG Tao(姜 涛)1 School...; Abstract: Citric acid was used to selectively extract cobalt from limonite-type laterite ores......
Decomposition mechanism of chromite in sulfuric acid–dichromic acid solutionQing Zhao1,2,Cheng-jun Liu1,2,Bao-kuan Li2,Mao-fa Jiang1,21. Key Laboratory for Ecological Metallurgy of Multimetallic Ores(Ministry of Education),Northeastern University2. School of Metallurgy,Northeastern University摘 要:The sulfuric acid leaching process is regarded......
J. Cent. South Univ. Technol. (2007)04-0520-04 DOI: 10.1007/s11771-007-0101-5 Preparation and enantiosorption of L-aspartic acid pillared hydrotalcites PENG Xia-hui(彭霞辉)1,2, HUANG Ke-long(黄可龙)2...) ______________________________________________________________________ Abstract:L-aspartic acid (Asp) pillared hydrotalcites were prepared by direct reaction of the L-Asp anion with layered double......
Leaching isomorphism rare earths from phosphorite ore by sulfuric acid and phosphoric acidHui-Xin Jin1,2,Fu-Zhong Wu1,2,Xiao-Hao Mao1,Mei-Long Wang1,Hong-Yan Xie11. College of Materials... in the world contain isomorphism rare earths(RE) which are considerably difficult to be leached into solution in the wet phosphoric acid process. In this work, a systematic study of leaching RE using sulfuric......
New Environment-Friendly Approach for Bastnasite Metallurgic Treatment (I): Extraction of Tetravalent Cerium from Sulphuric Acid Medium with Di(2-ethylhexyl) Phosphoric Acid Cui Dali1,Zhang...) from sulphuric acid medium with Di(2-ethylhexyl) phosphoric acid(DEHPA) was studied. The influence of sulphate ion, acidity, extractant concentration as well as the presence of fluoride ion......
