In situ spectroscopic analysis of the carbothermal reduction process of iron oxides during microwave irradiation

研究成果: Article査読

11 被引用数 (Scopus)

抄録

The effects of microwave plasma induction and reduction on the promotion of the carbothermal reduction of iron oxides (α-Fe2O3, γ-Fe2O3, and Fe3O4) are investigated using in situ emission spectroscopy measurements during 2.45 GHz microwave processing, and the plasma discharge (such as CN and N2) is measured during microwave E-field irradiation. It is shown that CN gas or excited CN molecules contribute to the iron oxide reduction reactions, as well as to the thermal reduction. On the other hand, no plasma is generated during microwave H-field irradiation, resulting in thermal reduction. Magnetite strongly interacts with the microwave H-field, and the reduction reaction is clearly promoted by microwave H-field irradiation, as well as thermal reduction reaction.

本文言語English
論文番号49
ジャーナルMetals
8
1
DOI
出版ステータスPublished - 2018 1 11

ASJC Scopus subject areas

  • 材料科学(全般)

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