Fundamentals of thermochemical reduction of TiCl4

Toru H. Okabe, Osamu Takeda

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

4 Citations (Scopus)


The principle and mechanism of the thermochemical reduction of titanium tetrachloride (TiCl4) are described with particular focus on the Kroll and Hunter processes. Electrochemical reactions that occur during thermochemical reduction are also discussed in order to understand the morphology and location of the deposit produced during the metallothermic reduction. Past research of new titanium (Ti) production processes are also reviewed briefly and the features of these processes are discussed. As of today, the process of reducing TiCl4 feed to produce Ti is superior to producing Ti directly from oxides owing to the control of impurities.

Original languageEnglish
Title of host publicationExtractive Metallurgy of Titanium
Subtitle of host publicationConventional and Recent Advances in Extraction and Production of Titanium Metal
PublisherElsevier Inc.
Number of pages31
ISBN (Electronic)9780128172001
ISBN (Print)9780128172018
Publication statusPublished - 2019 Nov 8


  • Electronically mediated reaction
  • Hunter process
  • Kroll process
  • Metallothermic reduction
  • TiCl4


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