Calciothermic reactions are metallothermic reduction reactions (more generally, thermic chemical reactions) which use calcium metal as the reducing agent at high temperature. Calcium is one of the most potent reducing agents available, usually drawn as the strongest oxidic reductant in Ellingham diagrams, though the lanthanides best it in this respect in oxide processes. On the other hand, this trend does not continue to other compounds that are non-oxides, and fo… WebJun 1, 2003 · Calciothermic reduction of titanium oxide in molten CaCl2. Titanium oxides were reduced to metallic titanium using the liquid calcium floating on the molten CaCl2. A part of Ca dissolved into CaCl2 and reacted with TiO2 settled below CaCl2. The by-product CaO also dissolved by about 20 mol pct into CaCl2, which was effective in reducing the ...
Preparation of Sm2Fe17 alloy and induced mechanism by …
WebMay 23, 2007 · A fundamental study was conducted on a new process for producing scandium (Sc) metal or aluminum-scandium (Al-Sc) alloy by the calciothermic redn. of scandium oxide (Sc2O3). In this study, aluminum (Al) and calcium chloride (CaCl2) were used as the collector metal and flux for the redn. resp. WebJan 1, 2005 · Download Citation Calciothermic reduction of neodymium fluoride Metallothermic reduction is an important industrial process method for the production of … hull fabrication
Calciothermic Reduction and Electrolysis of Sulfides in CaCl2 …
WebCalciothermic reduction with a metallic calcium reductant is a powerful electrochemical technique for the direct reduction of metal oxides.1–3 Various transition metals can be directly reduced from their oxides with metallic calcium because of its strong reducing abil-ity. Therefore, calciothermic reduction for industrial applications had WebAbstract. Hafnium metal powder has been produced by the calciothermic reduction of hafnium oxide. The influence of various experimental parameters - such as amount of calcium in excess of stoichiometric requirement, temperature, and time of reduction - on the yield and purity of the metal has been studied. The metal powder obtained by reduction ... hulley \u0026 kirkwood offices