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Reduction of low-grade manganese oxide ore by biomass roastingJingjing SONG 1,2) , Guocai ZHU 1), Ping ZHANG 2) and Yuna ZHAO 1) 1) Institute of Nuclear and New Energy Technology, Tsinghua University... 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......
preferentially on the carbide phase. Mo-rich regions due to incomplete dissolution of large Mo agglomerates were observed. 关键词:molybdenum microstructure TiC/NiCrMo cermets mechanical properties; [全文内容正在添加中] ......
Reduction characteristics of molybdenum trioxide with aluminum and siliconHang-Yu Zhu1,Rong Gao2,Wu-Tao Jin2,Long-Wu Qiu2,Zheng-Liang Xue11. State Key Laboratory of Refractories and Metallurgy, Wuhan... of molybdenum oxides by aluminum and silicon were calculated, and the results show that reduction reaction is feasible at a certain temperature region. Compared to the presence of CaO or CaCO3, reduction......
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Preparation of ultramicro molybdenum carbide powders and study on wear properties of their coatingAN Genga and LIU Gaojieb a Technical Center, Jinduicheng Molybdenum Co. Ltd, Xi’an 710077, China b..., ultramicro molybdenum carbide (MoC) powders were prepared by high-energy ball milling from pure molybdenum powders in civil coal gas atmosphere at room temperature. The structure and the particle size......
Adsorption behavior of molybdenum onto D314 ion exchange resinWANG Ming-yu(王明玉), JIANG Chang-jun(蒋长俊), WANG Xue-wen(王学文) (School of Metallurgy and Environment, Central South University, Changsha 410083, China)Abstract:The adsorption behavior of molybdenum onto D314 was studied with the static adsorption method. The adsorption process was analyzed from thermodynamic and kinetic aspects......
A Novel Method for Separation of Tungsten and MolybdenumJiang Anren Pang Zhen Jiang Weizhong Department of Chemistry,Fudan University,Shanghai摘 要:<正> Research on the separation of tungstenand molybdenum is of importance as it is a ba-sic problem in the metallurgy and industry oftungsten.Traditional methods for the separa-tion include precipitation......
Pressure nitric acid leaching of alkali-pretreated low-grade limonitic lateriteYong-Lu Zhang,Cheng-Yan Wang,Yong-Qiang Yang,Fei Yin,Bao-Zhong MaInstitute of Metallurgy, Beijing General Research Institute of Mining and Metallurgy摘 要:The pressure nitric acid leaching of alkali-pretreated low-grade limonitic laterite, as well as removing impurity Al(III......
; 文献标志码:A Enlightenment of geochemistry on separation of molybdenum and tungsten ZHAO Zhong-wei, HE Li-hua (School of Metallurgy and Environment, Central South... been also attracted much attention in metallurgy. Taking the separation of tungsten and molybdenum in tungsten and molybdenum metallurgy as an example, the enlightenment of geochemistry......
Mineralogical and sink-float studies of Jajarm low-grade bauxiteMohammad Zarbayani1,Esmaeil Jorjani1,Mirsaleh Mirmohammadi2,Mohammad Noaparast21. Science and Research Branch,Islamic Azad University2.... It is necessary to increase the run-of-mine mass ratio before feeding the material to the Bayer process. Chemical analysis indicated that the low-grade bauxite sample from Jajarm contained 43.9wt% Al2O3......