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process of molybdenum concentrate WANG Lei 1, 2, GUO Pei-min2, PANG Jian-ming2, ZHAO Pei2 (1. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing... decomposition process of molybdenum concentrate in vacuum were thermodynamically analyzed and verified by the vacuum decomposition experiment. The results show that the thermal decomposition process......
1所示.可知,原料中钼含量为39.27%,为低品位钼精矿(w(Mo)＜45%(质量分数)),杂质含量高,主要成分为Fe,SiO2,CaO,MgO. 钼精矿的XRD谱如图1所示.由图1可知,钼精矿中主要矿物为辉钼矿,脉石矿物主要有镁硅酸盐,硫铁矿等. 表1 钼精矿化学成分 Table 1 Chemical composition of molybdenum concentrate (mass fraction, %) 图1 低品位钼精矿的XRD谱 Fig.1 XRD pattern of low grade molybdenum concentrate 实验中用到的试剂有硝酸,硝酸铵,硝酸钾,硝酸钠,氨水,品级均为分析纯. 1.2 实验方法 钼精矿焙烧采用d 38 mm×550 mm石英玻璃反应罐,其中放置一装料杯......
Electrode Process of Y3+Ion on Molybdenum and Nickel Electrodes in YCl3-NaCl-KCl Melt张小联,赵敏寿摘 要:<正> The electrode process of Y3+ion on molybdenum and nickel electrodes has been studied by cyclicvoltammetry and chronopotentiometry in the YCl3-NaCl-KCl melt.The overall charge transfer process is atwo-step reaction:Y3++e=Y2+;Y2++2e=Y.Yttrium reduced......
improves with increasing Cr content. It is indicated that Cr addition can benefit pesting control in MoSi2. Key words: molybdenum silicides; pesting; oxidation; alloying ......
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in high humidity. Key words: molybdenum disulfide; wear; high-resistivity brushes; humidity ... for the brushes has rarely been found. Lubricants play a key role for the wear of brushes [8], and molybdenum disulfide is an excellent solid lubricant for brush materials, especially under extreme......
Molybdenum recovery from oxygen pressure water leaching residue of Ni-Mo oreMing-Shuang Wang,Chang Wei,Gang Fan,Zhi-Gan Deng,Si-Fu Wang,Jun WuFaculty of Metallurgical and Energy Engineering,Kunming University of Science and Technology摘 要:This article investigated molybdenum recovery from oxygen pressure water leaching residue of Ni-Mo ore using alkaline......
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Chemical vapor deposition of amorphous molybdenum sulphide on black phosphorus for photoelectrochemical water splittingYuanmei Xu1,2,3,Xiaoqin Zhang2,Zhihong Chen4,Krzysztof Kempa1,5,Xin... metal electrocatalyst molybdenum sulphide(MoS) and black phosphorus(BP) are highly promising catalysts for H2 evolution reaction(HER).However,BP is environmentally unstable and the basal planes......
Preparation and characterization of molybdenum powders with copper coating by the electroless plating techniqueWANG Guangjun and WANG Dezhi School of Materials Science and Engineering, Central South University, Changsha 410083, China摘 要:Molybdenum powders with a diameter of approximately 3 μm were coated with copper using the electroless plating......
