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Preparation of high-purity bismuth by sulphur deleadization in vacuum distillation XIONG Li-zhi(熊利芝)1, HE Ze-qiang(何则强)1, LIU Wen-ping(刘文萍)1, MA Cheng-jin(麻成金)1, DAI Yong-nian(戴永年)2 (1. College..., China) Abstract: The feasibility of separation of impurities in refined bismuth and sulphur deleadization with vacuum distillation was studied theoretically. Experimental studies on sulphur......
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Role of Rare Earth in Low Sulphur Nb-Ti-Bearing Steel 高平祥1,曾静2,林勤3,王跃华1,刘继雄2,朱兴元4 (1.Railway Engineering Equipment and Materials Works of Wuhan Iron and Steel Company, Wuhan 430083, China;2.Center..., China) Abstract:The effect of rare earth on the microstructures, mechanical properties and inclusions in low sulphur Nb-Ti-bearing steel were investigated. It is shown that the transverse yield......
Behaviour of Rare Earths in Low Sulphur SteelQin LIN+;Aisheng LIU;Wen YE;Zongsen YU, Dept. of Physical Chemistry, University of Science and Technology Beijing, Beijing, 100083, China摘 要:<正> In steels 16Mn and X60 with low S content (0. 003~0. 005%), rare earth metals (REM) still show ef-fects on purifying the molten steel and controlling......
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Sulfidation roasting of lead and zinc carbonate with sulphur by temperature gradient methodZHENG Yong-xing(郑永兴), LIU Wei(刘维), QIN Wen-qing(覃文庆), JIAO Fen(焦芬), HAN Jun-wei(韩俊伟), YANG Kang(杨康), LUO... ore, a new technology was developed based on sulfidation roasting with sulphur by temperature gradient method. the solid-liquid reaction system was established and the sulfidation thermodynamics......
J. Cent. South Univ. (2020) 27: 3259-3268 DOI: https://doi.org/10.1007/s11771-020-4544-2 Sulfidation mechanism of cerussite in the presence of sulphur at high temperatures GE Bao-liang(戈保梁)1, 2... of cerussite in the presence of sulphur at high temperatures was investigated based on micro-flotation, X-ray powder diffractometry (XRD), electron probe microanalysis (EPMA) and X-ray photoelectron......
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Corrosion behavior of Al0.4CoCu0.6NiSi0.2Ti0.25 high-entropy alloy coating via 3D printing laser cladding in a sulphur environmentHongxia Wan1,Dongdong Song2,Xiaolei Shi1,Yong Cai1,Tingting Li1,Changfeng Chen11. Beijing Key Laboratory of Failure, Corrosion and Protection of Oil/Gas Facility Materials, Department of Materials Science and Engineering, China University of Petroleum(Beijing)2......
residue indicated the generation of the elemental sulphur on mineral surfaces which tended to inhibit the leaching rate. Key words: chalcopyrite; leaching; hydrogen peroxide; hydrochloric acid; sulphur 1... of harmful sulphur dioxide. Given that the amount of rich copper ores is constantly decreasing, there is a growing need for the development of new technological processes to obtain copper from such mineral......