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that speeds of flash magnetic roasting are obtained from several dozen to two or three hundred times, compared with rotary kiln or shaft furnace. This indicates that it is practicable to use the fast...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......
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......
J. Cent. South Univ. (2012) 19: 340-346 DOI: 10.1007/s11771-012-1010-9 Extraction of nickel from molybdenum leaching residue of metalliferous black shale by segregation roasting and acid leaching CHU... roasting-sulfuric acid leaching-solvent extraction was investigated. The residue was characterized by microscopic investigations, using X-ray fluorescence spectrometry (XRF) and X-ray diffractometry (XRD......
识码:A Effect of microwave roasting on vanadium extraction from stone coal OU YANG Guo-qiang, ZHANG Xiao-yun, TIAN Xue-da, LI Yi, XIE Sen (College of Chemical Engineering, Xiangtan University, Xiangtan 411105, China) Abstract: Comparison tests of microwave roasting and conventional roasting for stone coal were carried out to investigate the effects of roasting temperature......
Two-stage double peaks ageing and its effect on stress corrosion cracking susceptibility of Al-Zn-Mg alloyY.L.Wang1,2,H.C.Jiang1,Z.M.Li1,D.S.Yan1,D.Zhang1,2,L.J.Rong11. CAS Key Laboratory of Nuclear...="ChDivSummary" name="ChDivSummary">Different artificial two-stage ageing behaviors and their effect on stress corrosion cracking(SCC) susceptibility of Al-Zn-Mg alloy have been investigated......