Resources Recycling (자원리싸이클링)

The Korean Institute of Resources Recycling (한국자원리싸이클링학회)
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Current Status of Titanium Smelting Technology

타이타늄 제련기술 현황

  • Sohn, Ho-Sang (School of Materials Science and Engineering, Kyungpook National University) ;
  • Jung, Jae-Young (Research Institute of Industrial Science & Technology (RIST))
  • Received : 2016.05.25
  • Accepted : 2016.07.06
  • Published : 2016.08.31
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Abstract

Titanium is the ninth most abundant element in the Earth's crust. It is also the forth most abundant structural metal after aluminum, iron and magnesium. Titanium is conventionally produced by the Kroll process. New processes to produce metallic titanium have been currently developed by many researchers in the world. In this study, the existing technologies, including both commercial and developmental processes, categorized into three groups: those by metallothermic reduction of $TiCl_4$ and $TiO_2$, those by electrolytic reduction of $TiO_2$ and hydrogen reduction of Ti compounds. Their mechanisms for reduction and their features are summarized and discussed in the view of industrial application.

타이타늄은 지각 구성원소 중 아홉 번째로 풍부한 원소이다. 또한 구조용 금속으로서는 알루미늄, 철, 마그네슘에 이어서 네 번째로 풍부한 원소이다. 일반적으로 이러한 타이타늄은 Kroll법에 의해 만들어지고 있다. 최근 전 세계의 많은 연구자들에 의해서 새로운 타이타늄 제련법이 개발되어 왔다. 본 연구에서는 상업화 되었거나 개발 중인 신 제련 프로세스를 $TiCl_4$의 금속 열환원법, $TiO_2$ 등의 전해환원법, 그리고 수소를 이용한 환원법으로 분류하였다. 이러한 새로운 제련 프로세스의 환원기구와 현황에 대하여 종합하고 상업화 가능성의 관점에서 정리하였다.

Keywords

References

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