Reaction behavior of the composite composed of iron oxide and plastic wastes

Takumi Akiyama, Naohito Hayashi, Taichi Murakami, Eiki Kasai

研究成果: Paper査読

1 被引用数 (Scopus)

抄録

One of ways to reduce the emission of CO2 from ironmaking process is to use wastes consisted of hydrocarbon materials, such as biomass and organic wastes. The present study is aiming to clarify the subjects in order to effectively utilize the plastic wastes as a reductant of iron oxide. Reduction experiments were carried out under different conditions using the composite samples consisted of iron oxide and plastic. The temperature range of the pyrolysis of plastics is roughly between 600 and 800 K, depending on the kinds of plastics. On the other hand, the reduction of iron oxide mainly proceeds at higher than 1200 K. Therefore, it is essential to design the composite structure and the temperature profile for realizing this temperature difference of the reactions simultaneously in the composite, in order to effectively utilize the pyrolysis gas as a reductant. Further, the generation of the pyrolysis gas tends to promote the crack formation on the surface of the composite and it may obstruct the effective utilization of the gas. This paper will deal with the result of the fundamental study on the way to use the waste plastics in there reduction process of iron oxides.

本文言語English
ページ707-710
ページ数4
出版ステータスPublished - 2006 12 1
イベント4th International Congress on the Science and Technology of Ironmaking, ICSTI 2006 - Osaka, Japan
継続期間: 2006 11 262006 11 30

Other

Other4th International Congress on the Science and Technology of Ironmaking, ICSTI 2006
国/地域Japan
CityOsaka
Period06/11/2606/11/30

ASJC Scopus subject areas

  • 金属および合金

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