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and antimony from the arsenic-bearing dust leached by NaOH solutions with the addition of elemental sulfur. Key words: arsenic removal; sulfur; arsenic-bearing dust; alkaline leaching; lead; antimony 1... with the increase of NaOH concentration [23]. Meanwhile, the hydroxide of Pb(II) and Sb(III) form hydroxyl complexes including and in concentrated alkaline solutions, resulting in high leaching efficiencies......
(10): 1629-1635. [15] ZHENG Su, WANG Yun-yan, CHAI Li-yuan. Research status and prospect of gold leaching in alkaline thiourea solution[J]. Minerals Engineering, 2006, 19(3): 1301-1306. [16] 吴慧敏, 冯祥...; 文献标识码:A Electrochemical behaviors of thiourea in alkaline medium WANG Yun-yan, CHAI Li-yuan (School of Metallurgical Science and Engineering, Central South University, Changsha 410083......
保证砷,锑的有效脱除. 关键词:铅阳极泥;碱性加压氧化浸出;脱砷;脱锑 中图分类号: 文献标志码:A Arsenic and antimony removal from bismuth-rich lead anode slime by alkaline pressure oxidation leaching LI Kuo1, XU... Ltd., Kunming 650051, China) Abstract: The arsenic and antimony were removed from bismuth-rich lead anode slime by alkaline pressure oxidation leaching. The effects of factors including oxidant......
-containing slags [J]. Hydrometallurgy, 1983, 10(1): 61-67. [5] LIU San-jun, OU Le-ming, FENG Qi-min, ZHANG Guo-fan, L? Yi-ping. Alkaline leaching Zn from zinc oxide ore [J]. Hydrornetallurgy of China, 2005...J. Cent. South Univ. Technol. (2008) 15: 679-683 DOI: 10.1007/s11771-008-0126-4 Leaching kinetics of low grade zinc oxide ore in NH3-NH4Cl-H2O system WANG Rui-xiang(王瑞祥)1, 2, TANG Mo-tang(唐谟堂)1......
Selective leaching sodium salts and molybdenum from alkaline bismuth smelting slag TANG Mo-tang, LU Jie-zhu, TANG Chao-bo, CHEN Yong-ming, JIN Shuai-yong (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: The two-stage leaching at different temperatures was used to treat alkaline smelting slag of bismuth sulphide concentrate. The results show......
Alkaline digestion behavior and alumina extraction from sodium aluminosilicate generated in pyrometallurgical processBo-na Deng,Guang-hui Li,Jun Luo,Jing-hua Zeng,Ming-jun Rao,Zhi-wei Peng,Tao... ores are easily transformed into sodium aluminosilicates in the presence of Na2O constituents, which alters the leaching behaviors of Al2O3 and SiO2. It was confirmed that sodium aluminosilicates......
University of Science and Technology摘 要:This article investigated molybdenum recovery from oxygen pressure water leaching residue of Ni-Mo ore using alkaline... for the preliminary alkaline leaching were experimentally determined. The results showed that more than 88% of molybdenum was leached under the optimum conditions (2.5 ml·g-1 NaOH, 80 °C, a liquid to solid......
focused on reductive leaching, specially in acid medium[9-14]. Based on the study of oxidative leaching in alkaline medium, the kinetics of the oxidative leaching is discussed and the effects of gas... Article ID: 1003-6326(2005)03-0697-05 Kinetics of oxidative leaching of ocean polymetallic nodules in molten potassium hydroxide medium WANG Yun-shan(王云山), LI Zuo-hu(李佐虎), LI Hao-ran(李浩然......
Trans. Nonferrous Met. Soc. China 23(2013) 3076-3082 Desilication from titanium–vanadium slag by alkaline leaching De-sheng CHEN1,2, Long-sheng ZHAO1,2, Tao QI1,2, Guo-ping HU1,2, Hong-xin ZHAO1,2...: A hydrometallurgical process for the selective removal of silicon from titanium–vanadium slag by alkaline leaching was investigated. X-ray diffraction, scanning electron microscopy and electron dispersive......
Two-stage precipitation process of iron and arsenic from acid leaching solutions N. J. BOLIN, J. E. SUNDKVIST Boliden Mineral AB, SE-936 81 Boliden, SWEDEN Received 20 September...; Abstract: A leaching process for base metals recovery often generates considerable amounts of impurities such as iron and arsenic into the solution. It is a challenge to separate the non......