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Study on Roasting Decomposition of Mixed Rare Earth Concentrate in CaO-NaCl-CaCl2 Sun Shuchen1,Bian Xue1,Wu Wenyuan1,Tu Ganfeng1 (1.School of Materials & Metallurgy, Northeastern University... decomposition ratio, roasting temperature, and CaO-NaCl addition was studied by the quadratic regression orthogonal analysis, and then the regression equation was obtained. Through analysis, the optimum process......
Comparison of the mechanisms of microwave roasting and conventional roasting and of their effects on vanadium extraction from stone coalYi-zhong Yuan1,2,Yi-min Zhang1,2,Tao Liu1,2,Tie-jun Chen1,21... Vanadium Resource摘 要:Experiments comparing microwave blank roasting and conventional blank roasting for typical vanadium-bearing stone coal from Hubei......
Production of TiO2 from CaTiO3 by alkaline roasting methodWANG Yuanboa, b, QI Taoa, CHU Jinglongb, and ZHAO Weib a Graduate School of Chinese Academy of Sciences, Beijing 100039, China b Key... by alkaline roasting method for the production of TiO2.The process included alkaline roasting, water leaching and acid leaching steps.In the alkaline roasting step, the factors such as roasting temperature......
J. Cent. South Univ. (2012) 19: 2272-2278 DOI: 10.1007/s11771-012-1271-3 Characterization and technology of fast reducing roasting for fine iron materials LUO Li-qun(罗立群)1, 2, HUANG Hong(黄红)3, YU... of the techniques of fast reducing roasting (FRR) and conventional magnetic roasting, as well as tremendous demands of iron ores in iron and steel industry of China, were briefly described. The test equipment......
Phase transformation in suspension roasting of oolitic hematite oreLI Yan-jun(李艳军)1, WANG Ru(王儒)1, HAN Yue-xin(韩跃新)1, WEI Xin-chao(魏新超)2(1. School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China;2. College of Engineering, The State University of New York Polytechnic Institute, Utica, NY 13502, USA)Abstract:Suspension roasting followed by magnetic separation......
J. Cent. South Univ. (2020) 27: 1186-1196 DOI: https://doi.org/10.1007/s11771-020-4359-1 Sulfidation roasting of zinc leaching residue with pyrite for recovery of zinc and iron MIN Xiao-bo(闵小波)1, 2... exist in the form of zinc ferrite, which are difficult to separate and recover. This study proposed a new process involving sulfidation roasting, magnetic separation and flotation to recover zinc......
Recovering indium with sulfating roasting from copper-smelting ashZHU Guocai,ZHENG Mingdan,FAN Guanglong,and ZHAO Yuna Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing... in leaching process,and then recovered by sulfating roasting. The method included mix-ing the leaching-slag with sulfuric acid,making them into particles,roasting the mixture,and then leaching......
process of manganese dioxide in low-grade manganese ore by biomass roasting was investigated.The calcine of manganese oxide ore was further leached by sulphuric acid, the manganese in ore can be converted into manganese sulfate.Effects of the mass ratio of manganese ore to sawdust, roasting temperature and time, leaching temperature and time, leaching agent concentration and liquid-solid ratio were......
J. Cent. South Univ. (2020) 27: 1484-1494 DOI: https://doi.org/10.1007/s11771-020-4384-0 Growth of metallic iron particles during reductive roasting of boron-bearing magnetite concentrate ZHANG Xin... reductive roasting of boron-bearing magnetite concentrate under different conditions were investigated. The size of the metallic iron particles was quantitatively measured via optical image analysis......
Roasting and leaching behaviors of vanadium and chromium in calcification roasting–acid leaching of high-chromium vanadium slagJing Wen1,Tao Jiang1,2,Mi Zhou1,2,Hui-yang Gao1,Jia-yi Liu1,Xiang-xin Xue1,21. School of Metallurgy,Northeastern University2. Liaoning Key Laboratory for Recycling Science of Metallurgical Resources摘 要:Calcification roasting......
