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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......
in the leaching solution was measured with a pH-meter (PHS-3C) and kept constant (pH 2.0) throughout the leaching process using a solution of H2SO4 (4.0 mol/L). Solid samples were also collected, filtered... the lowest oxidation activity. Fig.1 Oxidation rate of Fe2+ in 9K solution Fig.2 pH value of 9K solution 3.2 Leaching in presence and absence of bioleaching bacteria Fig.3 shows the rate of marmatite......
al. A critical review of the ferric chloride leaching of galena [J]. Canadian Metallurgical Quarterly, 1990, 29(3): 201-211. [17] WANG Dian-zuo, HU Yue-hua. Flotation solution chemistry [M]. Changsha... Hydro-chemical conversion of galena in FeCl3-KCl solution LONG Huai-zhong(龙怀中)1, CHAI Li-yuan(柴立元)1, LIU Hui(刘 辉)2, QIN Wen-qing(覃文庆)2 1. School of Metallurgical Science......
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Electrochemical behavior of magnesium alloys in simulated body fluids ZENG Rong-chang(曾荣昌)1, CHEN Jun(陈君)1, W. Dietzel2, N. Hort2, K.U. Kainer2 1. School of Materials Science and Engineering... of magnesium alloys in simulated body fluids (SBFs). The influence of materials, solutions and their temperature on corrosion rate was mainly discussed. The results demonstrate that the free corrosion......
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method The experiments were carried out in shake flasks, which were put in an oscillator. The ratio of liquid to solid was 10?1. The leaching solution was sulfuric acid prepared before the experiments. Analytically pure sulfuric acid was used to adjust the original pH value of the leaching solution. The rotational speed of the oscillator was set to be 160 r/min, and the temperature was set at 30......
J. Cent. South Univ. (2016) 23: 1-9 DOI: 10.1007/s11771-016-3042-z Calcium phosphate deposition on surface of porous and dense TiNi alloys in simulated body fluid Liu Jue(刘珏), Liu Chao(刘超), Li Jing... in varying degrees when soaked in simulated body fluid (SBF). More apatite coatings formed on TiNi samples sintered at 1050℃ and 1100℃ due to their high porosity and pure TiNi phase that is beneficial......
and Metallurgy, Northeastern University, Shenyang 110004, China Received 6 July 2009; accepted 5 January 2010 Abstract: The leaching of low-sulfur Ni-Cu matte in acid-oxygen (CuSO4-H2SO4-O2) solution... control and optimization of the leaching of Ni-Cu matte. For this reason, the leaching of low-sulfur Ni-Cu matte in acid-oxygen (CuSO4-H2SO4- O2) solution at atmospheric pressure was investigated......
keeping the stirring speed at 800 r/min, 20% solid, and solution temperature at 60 ℃. The leaching results are shown in Fig.5. The rate of zinc extraction increases with increasing NaOH concentration...J. Cent. South Univ. Technol. (2010) 17: 967-971 DOI: 10.1007/s11771-010-0585-2 Zinc leaching from electric arc furnace dust in alkaline medium LI Hong-xu(李宏煦)1, 2, WANG Yang(王洋)1, 2, CANG Da......
