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Reduction of CaTiO3 in Molten CaCl2 - as Basic Understanding of Electrolysis

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Title: Reduction of CaTiO3 in Molten CaCl2 - as Basic Understanding of Electrolysis
Authors: Suzuki, Ryosuke O Browse this author →KAKEN DB
Noguchi, Hiromi Browse this author
Hada, Hiromasa Browse this author
Natsui, Shungo Browse this author
Kikuchi, Tatsuya Browse this author
Keywords: calcium chloride
calciothermic reduction
molten salt electrolysis
titanium production
Issue Date: 1-Mar-2017
Publisher: 日本金属学会
Volume: 58
Issue: 3
Start Page: 341
End Page: 349
Publisher DOI: 10.2320/matertrans.MK201625
Abstract: Electrochemical decomposition of CaTiO3 at the cathode was examined in a scheme of titanium metal production from natural deposit, Ilmenite (TiFeO3). Based on the possible precipitation of CaTiO3 from TiFeO3, the electrochemical decomposition of CaTiO3 is here examined using combination of the calciothermic reduction and the electrolysis of CaO in the same molten salt. Inhomogeneous reduction in the cathodic basket is related with buoyancy of Ca and insufficient dehydration. By optimizing the cooling conditions, CaO content in the molten salt, and dehydration method, an industrial level of 0.42 mass%O could be achieved as powder form.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 鈴木 亮輔

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