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A decomposing technique for scheelite concentrate and low-grade scheelite concentrateHUO Guangsheng;SUN Peimei;LI Honggui;LI Yunjiao;ZHAO Zhongwei;SUN Zhaoming;LIU Maosheng School of Metallurgy... of theoretical respectively, ratio of wate and ore is 0.7-0.8, temperature is 160℃, andpreservation time is 2.0 h for scheelite concentrate (63.21% WO3) and low grade scheelite concentrate (55. 17% WO3).
Reductive leaching of low-grade manganese ore with pre-processed cornstalkAi-fei Yi1,2,3,Meng-ni Wu1,2,3,Peng-wei Liu1,2,3,Ya-li Feng1,2,Hao-ran Li31. School of Civil and Environment Engineering... of Process Engineering, Chinese Academy of Sciences摘 要:Cornstalk is usually directly used as a reductant in reductive leaching manganese. However, low......
Leaching kinetics of molybdenum from Ni-Mo ore in sulfuric acid solution with sodium peroxodisulfate as oxidantLIU Zhi-xiong(刘志雄)1, YIN Zhou-lan(尹周澜)2, CHEN Yi-guang(陈义光)3, XIONG Li-zhi(熊利芝)3(1.... College of Biology and Environmental Sciences, Jishou University, Jishou 416000, China)Abstract:The leaching kinetics of molybdenum from Ni-Mo ore in sulfuric acid solution with sodium......
Solvent extraction of molybdenum from acidic leach solution of Ni–Mo oreMing-Yu Wang,Xue-Wen Wang,Chang-Jun Jiang,Chao-Fan TaoSchool of Metallurgical Science and Engineering, Central South University摘 要:A P204(D2EHPA) diluted with sulfonated kerosene was used for the selective extraction of molybdenum from an acidic Ni–Mo ore leach solution......
Pressure leaching of bismuth sulfide concentrate containing molybdenum and tungsten in alkaline solutionZHANG Du-chao(张杜超), YANG Tian-zu(杨天足), LIU Wei-feng(刘伟锋), WU Jiang-hua(吴江华)(School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China)Abstract:The leaching results of bismuth sulfide concentrate containing molybdenum and tungsten in air-H2O2-NaOH system......
apparatus for TG analysis 2 结果与讨论 2.1 热重分析 图2 CO还原碳化工业级MoO3的TG-DTA曲线 Fig. 2 TG-DTA reduction carburization kinetic curves of industrial grade MoO3 powders with pure CO gas from...; Isothermal reduction-carburization kinetic curves of industrial grade MoO3 with pure CO gas from room temperature to different desired temperatures at heating rate of 10 K/min with holding time 2.2 ......
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......
Research on new beneficiation process of low-grade magnesite using vertical roller millChuang Li1,2,3,Chuan-yao Sun2,Yu-lian Wang2,3,Ya-feng Fu1,4,Wan-zhong Yin1,41. School of Resources and Civil...:We investigated whether the vertical roller mill can be efficiently used in the beneficiation of low-grade magnesite and whether it can improve upon......
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