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<報文>赤泥より銑鉄とセメント用鉱滓の製造について
http://hdl.handle.net/10097/32403
http://hdl.handle.net/10097/324034a34f4c0-ba95-4f11-a215-1fca4384b080
名前 / ファイル | ライセンス | アクション |
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KJ00000134400.pdf (848.3 kB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-02 | |||||
タイトル | ||||||
タイトル | <報文>赤泥より銑鉄とセメント用鉱滓の製造について | |||||
言語 | ||||||
言語 | jpn | |||||
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 |
三次, 隆
× 三次, 隆 |
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著者別名 | ||||||
姓名 | MITSUGI, Takashi | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 1) Factors in the pelletizing of red mud which was the residue of alumina production from bauxite were statistically analysed. Recovery of pellet with a diameter of 10~25 mm was 35% and its compressive strength was 1.5~2.2kg. 2) In the designated composition range of slag for producing cement (CaO/SiO_2 1.7~2.3,Al_2O_3 18~28%), chemical reactions occurring in the 150KVA furnace used for the experiment were statistically analysed. P and S in pig iron decreased with the increase of FeO and decrease of (ΣFeO) (Na_2S)/[(T・Na_2O)-(Na_2O)_S] in the slag respectively. Also, FeO in slag rapidly decreased with rise of temperature of molten slag. This was related with CaO and Na_2O in the slag. 3) Both low P and S in pig iron and slag for cement were produced from red mud by the electric furnace under the following conditions : unit consumption of gas-coke 250kg/t of Fe in red mud, CaO/SiO_2 1.8~2.0,total Na_2O in slag 5~6%, and voltage between poles 1.6V/cm, the ratio of area hearth to total sectional area of poles 7.9 was established. The composition of pig iron produced was C 4.05%, Si 0.02%, Mn 0.02%, P 0.018~0.024%, S 0.010~0.021%, Ti 0.002%. 4) The molten slag was atomized by water-jet and quenched in water. When u. r was more than 100cm/sec, the glass content in quenched slag was over 85% and was statisfactory as raw material of cement. u and r are velocity of water from nozzle (cm/sec) and the ratio of amount of water to slag respectively. | |||||
書誌情報 |
東北大學選鑛製錬研究所彙報 en : Bulletin of the Research Institute of Mineral Dressing and Metallurgy, Tohoku University 巻 17, 号 2, p. 139-152, 発行日 1962-02-24 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0040876X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00168425 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
その他の言語のタイトル | ||||||
その他のタイトル | <Original Papers>Studies on the Production of Pig Iron and Cement Slag from Red Mud | |||||
出版者 | ||||||
出版者 | 東北大學選鉱製錬研究所 | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | 紀要類(bulletin) | |||||
登録日 | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
公開日(投稿完了日) | ||||||
日付 | 2008-05-02 | |||||
日付タイプ | Created | |||||
発行日 | ||||||
日付 | 1962-02-24 | |||||
日付タイプ | Created | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | 1003955 bytes | |||||
公開範囲 | ||||||
値 | 学外 | |||||
更新日 | ||||||
日付 | 2010-01-27 | |||||
日付タイプ | Created |