Calcium reduction of TiS2 in CaCl2 melt

N. Suzuki, M. Tanaka, H. Noguchi, S. Natsui, T. Kikuchi, R. O. Suzuki

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


In this study, we reduce TiS2 to Ti via both calciothermic reduction and electrolysis in a CaCl2 melt. Upon calcium reduction at 1133 K in CaCl2 melt, the concentration of sulfur decreases to 0.03 mass% S when an amount greater than twice the stoichiometric calcium amount is added. Upon electrolysis reduction at 1173 K in CaCl2-CaS melt, the concentration of sulfur initially decreases significantly to 0.01 mass% S when a sufficiently large amount of electric charge is supplied. Our results indicate that it is possible to achieve sulfur removal via both calciothermic reduction and electrochemical reaction.

Original languageEnglish
Pages (from-to)367-370
Number of pages4
JournalMaterials Transactions
Issue number3
Publication statusPublished - 2017
Externally publishedYes


  • Calciothermic reduction
  • Molten salt electrolysis
  • Titanium disulfide

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering


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