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<報文>選択硫酸化による複雑硫化鉱処理法の検討 : 酸濃度および処理温度について
http://hdl.handle.net/10097/32427
http://hdl.handle.net/10097/32427b28ca2ee-92e7-4b39-9a58-d3e76da88920
名前 / ファイル | ライセンス | アクション |
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KJ00000134436.pdf (690.7 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>選択硫酸化による複雑硫化鉱処理法の検討 : 酸濃度および処理温度について | |||||
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 |
小野, 健二
× 小野, 健二× 亀田, 満雄× 矢沢, 彬× 小池, 一男 |
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著者(ヨミ) | ||||||
姓名 | ONO, Kenji | |||||
著者(ヨミ) | ||||||
姓名 | KAMEDA, Mitsuo | |||||
著者(ヨミ) | ||||||
姓名 | YAZAWA, Akira | |||||
著者(ヨミ) | ||||||
姓名 | KOIKE, Kazuo | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Selective sulfatization process for complex sulfide ores containing copper, iron, lead and zinc was studied at this institute about ten years ago. A brief description of this method is as follows : the concentrate of bulk flotation was mixed with 60% sulfuric acid and kept at about 160℃ for one hour. The solution containing zinc sulfate was then filtered from the residue consisting mainly of chalcopyrite, pyrite and lead sulfate. The residue was then subjected to the differential flotation to separate components. However, there are some difficulties in carrying out the selective sulfatization by this method, such as the corrosion of the vessel used and H_2SO_4 recovery from the spent electrolytic solusion of zinc due to the use of considerably high concentrated leaching solution. In order to minimize these difficulties, application of more diluted acid solution was considered. In the present investigation, sulfatization reaction proceeded in an autoclave at high temperature. Effects of temperature, acid concentration and volume of acid solution were studied with several kinds of bulk concentrate. In addition, the sulfatization reaction were also thermodynamically discussed. From the results obtained, it was found that the temperature was of the most effective factor for the sulfatization reaction. By the use of 20~30% (by volume) sulfuric acid, zinc was extracted sufficiently from the concentrate, if the reaction proceeded at appropriate high temperature under sufficient supply of acid solution. Because of the presence of hydrogen sulfide, the amount of dissolved copper was insignificant in every case. Differing from the former results, the amounts of iron and copper extracted in the solution were nearly constant even at higher temperature in the present investigation. | |||||
書誌情報 |
東北大學選鑛製錬研究所彙報 = Bulletin of the Research Institute of Mineral Dressing and Metallurgy, Tohoku University 巻 18, 号 2, p. 147-157, 発行日 1963-03-20 |
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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>Effects of Acid Concentration and Temperature on the Selective Sulfatization of Cccmplex Sulfide Ores | |||||
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 | 1963-03-20 | |||||
日付タイプ | Created | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | 690655 bytes | |||||
公開範囲 | ||||||
値 | 学外 | |||||
更新日 | ||||||
日付 | 2010-01-27 | |||||
日付タイプ | Created |