Hydrothermal processing of metal based compounds and carbon dioxide for the synthesis of organic compounds

Hiro Takahashi, Toshinari Kori, Takamasa Onoki, Kazuyuki Tohji, Nakamichi Yamasaki

研究成果: Article査読

29 被引用数 (Scopus)

抄録

Reservation of carbon-based resources including fossil fuel is an important issue for futuristic development. As a possible carbon resource, we had proposed a process for the reduction of CO2 by hydrothermal method. In the process, CO2, aqueous solvent, and reductant are to react under hydrothermal condition, to generate organic compounds. In this report, the extension of the process to continuous-type process has been focused. For the experiments, newly developed continuous-type equipment was used. Metallic materials such as carbon steel cutting chaff was treated at 200 °C, 2.0 MPa under the constant flow of CO2 gas and solvent, with or without the hydrogenation catalyst, Ni. During the experimental period, reaction gas and liquid are collected successively. The samples are analyzed with GC and TOC. In treatment without Ni powder, organic compound was detected in neither reaction gas nor solution, while the occurrence of CO was confirmed. On the other hand, in the experiment with Ni powder additionally, formic acid was generated. It has been confirmed that the reaction process proceeds even in the continuous-type treatment including the catalytic effect of Ni.

本文言語English
ページ(範囲)2487-2491
ページ数5
ジャーナルJournal of Materials Science
43
7
DOI
出版ステータスPublished - 2008 4
外部発表はい

ASJC Scopus subject areas

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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