共搜索到12297条信息,每页显示10条信息,共1230页。用时:0小时0分0秒437毫秒
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......
Modeling study on the flow patterns of gas–liquid flow for fast decarburization during the RH processYi-hong Li1,2,Yan-ping Bao2,Rui Wang3,Li-feng Ma1,Jian-sheng Liu11. Collaborative Innovation... utilized in the 300-t RH equipment to study the effect of steel flow patterns in a vacuum chamber on fast decarburization and a superior flow-pattern map was obtained during the practical RH process......
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......
39.4 kJ/mol,动力学方程为. 关键词:含钒钢渣;熔融;动力学;焙烧 中图分类号:TF09 文献标志码:A 文章编号:1672-7207(2018)05-1047-07 Roasting process... Liaoning, Anshan 114051, China; 2. Pangang Group Chengdu Iron & Steel Co. Ltd., Panzhihua 617000, China) Abstract: The process of vanadium bearing steel slag roasting in molten NaOH system......
; 文献标识码:A 文章编号:1672-7207(2009)04-0851-06 Effects of atmosphere on roasting behaviors of carbon-burdened hematite pellets JIANG Tao, HE... in lab, the effects of atmosphere on the strength of pellet prepared with hematite concentrate with carbon-burdened were studied, and the roasting behaviors and induration mechanisms under different......