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  1. 紀要
  2. 津山工業高等専門学校紀要
  3. 16巻 (1978)

Air Oxidation of Aqueous Ferrous Sulfate Solution in the Alkaline Region

https://tsuyama-nit.repo.nii.ac.jp/records/1505
https://tsuyama-nit.repo.nii.ac.jp/records/1505
01bae544-53aa-4e82-9bb7-b9c5baa0e644
名前 / ファイル ライセンス アクション
津山工業高等専門学校紀要_16-2.pdf 津山工業高等専門学校紀要_16-2.pdf (442.9 kB)
Item type 紀要論文 / Departmental Bulletin Paper(1)
公開日 1978-10-20
タイトル
タイトル Air Oxidation of Aqueous Ferrous Sulfate Solution in the Alkaline Region
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
著者 Tsuda, Akihiro

× Tsuda, Akihiro

Tsuda, Akihiro

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Higuchi, Binzo

× Higuchi, Binzo

Higuchi, Binzo

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Kondo, Yoshio

× Kondo, Yoshio

Kondo, Yoshio

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抄録
内容記述タイプ Abstract
内容記述 The air oxidation of an aqueous FeSO4 solution was Studied in an alkaline region by blowing air from a horizontal nozzle into the solution. The pH value of the solution was maintained at ca. 10 by adding Na2CO3 in the solution. No catalytic action of Cu2+ ion was observed. The rate of oxidation was not virtually affected by the temperature, but increased with the rise of the flow rate of air. A zero order rate equation was found. From the presumption that the reaction is composed of the sequential steps of dissolution of gaseous oxygen at the surface of rising air bubbles and the oxidation of Fe2+ ion and Fe(OH)2 precipitate by the dissolved oxygen, it was revealed that the rate determining step of the overall reaction is the step of oxygen dissolution. From the rate constant of the rate equation, the liquid-film mass transfer coefficient of dissolved oxygen in the liquid boundary layer at the bubble surface was estimated, and it was fairly well coincident with the directly measured values. The rise of the rate of oxidation with the flow rate of air stream was interpreted in terms of the increase in the surface area of rising air bubbles.
日本十進分類法
主題Scheme NDC
主題 430
書誌情報 津山工業高等専門学校紀要
en : Bulletin of Tsuyama National College of Technology

巻 16, p. 5-12, 発行日 1978-10-20
ISSN
収録物識別子タイプ ISSN
収録物識別子 0287-7066
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00149351
出版者
津山工業高等専門学校
出版者(別表記)
出版者 National Institute of Technology, Tsuyama College
著者版フラグ
内容記述タイプ Other
内容記述 publisher
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