The high-temperature reaction of iron with sulfur dioxide.
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概要
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The reaction of Fe with SO<SUB>2</SUB> has been studied in the temperature range from 923 K to 1123 K and in the pressure range from 1.3 kPa to 101 kPa. The reaction obeyed the parabolic law except for the initial period, and the rate constant was equal to that in O<SUB>2</SUB>. In the scale, Fe<SUB>3</SUB>O<SUB>4</SUB>, FeO, and FeS were found as the reaction products. Among them, FeS was formed only in the initial period of the reaction and stayed at the scale/metal interface. The constant amount of sulfide in the scale became larger at higher temperatures or at lower SO<SUB>2</SUB> pressures. The sulfide formation in the initial period of the reaction might cause the increase in the corrosion of Fe at low pressures of SO<SUB>2</SUB> and cause the difference from the corrosion by O<SUB>2</SUB>.
- 公益社団法人 日本化学会の論文
著者
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Ota Ken-ichiro
Department Of Energy & Safety Engineering Faculty Of Engineering Yokohama National University
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Fueki Kazuo
Department Of Industrial Chemisrty Faculty Of Science And Technology Science University Of Tokyo
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Sugimoto Hiroyuki
Department Of Cardiology Hirai Hospital
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Ota Ken-ichiro
Department of Energy Engineering, Faculty of Engineering, Yokohama National University
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