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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......
Recovery of titania from high titanium slag by roasting method using concentrated sulfuric acidLi-Li Sui1,2,Yu-Chun Zhai2,Li-Hua Miao11. Department of Chemistry, Shenyang Medical College2. School...,roasting temperature,and roasting time on the acidolysis ratio of TiO2during the process of roasting high titanium slag with concentrated sulfuric acid were systematically investigated.The results show......
J. Cent. South Univ. (2020) 27: 3567-3580 DOI: https://doi.org/10.1007/s11771-020-4569-6 Recovery of lead and silver from zinc acid-leaching residue via a sulfation roasting and oxygen-rich... was to evaluate the ability of a procedure that entails the use of sulfation roasting, water leaching, and chlorination leaching (blowing oxygen technique) to recover Pb and Ag, followed by cooling crystallization......
Magnetizing Roasting Mechanism and Effective Ore Dressing Process for Oolitic Hematite Ore余永富College of Resources and Environment al Engineering,Wuhan University of Technology摘 要:Magnetizing roasting of oolitic hematite ore from western Hubei Province was investigated.The mechanism for reduction roasting of oolitic hematite ore was discussed......
Study on Roasting Decomposition of Mixed Rare Earth Concentrate in CaO-NaCl-CaCl2吴文远,边雪,孙树臣,涂赣峰摘 要:<正>The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaCl-CaCl2 was studied by means of TG-DTA method. The relationship among decomposition ratio, roasting temperature, and CaO-NaCl addition was studied......
Kinetics of Vanadium Oxidation during Bone Coal Roasting in Air郭伟,范其明,胡长平摘 要:KineticsofVanadiumOxidationduringBoneCoalRoastinginAirGuoWei(郭伟)(GeneralResearchInstitutefoNon-ferrousMetals,Beijing100088,Ch...关键词:......
Fluidized roasting reduction kinetics of low-grade pyrolusite coupling with pretreatment of stone coalYa-li Feng1,Zhen-lei Cai1,Hao-ran Li2,Zhu-wei Du2,Xin-wei Liu11. School of Civil..." name="ChDivSummary">Based on the fluidized roasting reduction technology of low-grade pyrolusite coupling with pretreatment of stone coal, the manganese reduction efficiency was investigated......
Extraction of vanadium from high calcium vanadium slag using direct roasting and soda leachingXin-sheng Li and Bing Xie College of Materials Science and Engineering, Chongqing University, Chongqing 400044, China摘 要:The extraction of vanadium from high calcium vanadium slag was attempted by direct roasting and soda leaching. The oxidation process......
:A 文章编号:1672-7207(2018)12-2908-07 Reaction mechanism of titanium-bearing steel slag roasting in NaOH melt ZHAO Changming1, NING Zhe1, ZHANG Chongmin1... of roasting temperature, roasting time and mass ration of alkali-to-ore on the TiO2 extraction rate. The kinetics of the roasting process were analyzed. The results show that the optimal conditions......