Removal of Copper, Zinc and Tin from Iron-based Scraps by Chlorine-Oxygen Gas Mixtures

氯氧混合气体去除铁基废料中的铜、锌和锡

• 批准号: 07555227
• 负责人: NAGATA Kazuhiro
• 金额: $ 13.57万
• 依托单位: TOKYO INSTITUTE OF TECHNOLOGY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 1995
• 资助国家: 日本
• 起止时间: 1995 至 1996
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-07555227/
• 关键词: scrap; iron; copper; zinc; tin; chlorine; oxygen

A new technique for removing copper from iron-based scrap has been proposed. When iron-based scraps containing copper were placed in atmosphere controlled by oxygen-chloring gas mixtures, copper was chloridized to evaporate, whereas iron was oxidized to remain in the form of solid. The evaporation rate of copper chlorides was determined by the transport of chlorides across the boundary layr. Thermodynamic and kinetic consideration gave the optimal condition for removing copper, that is, the temperature of 1100K and the gas composition of O2-10%C12.

提出了一种从铁基废料中脱除铜的新工艺。当含铜的铁基废料被放置在由氧气-氯化气体混合物控制的气氛中时，铜被氯化以蒸发，而铁被氧化以保持固体形式。氯化铜的蒸发速率取决于氯化物在界面层上的迁移。从热力学和动力学两方面综合考虑，得出了最佳的除铜条件为：温度1100 K，气体组成为O2-10%C12。

项目成果

Koji Matsumaru: "Removal of copper from Iron-based Scraps by O2-C12 Gas Mixtures" Tetsu-to-Hagane. Vol.82, No.10. 799-804 (1996)

Koji Matsumaru：“通过 O2-C12 气体混合物从铁基废料中去除铜”Tetsu-to-Hagane。

松丸幸司: "塩素-酸素混合ガスによる鉄スクラップからの銅の選択除去" 鉄と銅. 82. 799-804 (1996)

Koji Matsumaru：“使用氯氧混合气体从铁废料中选择性去除铜”《Iron and Copper》82. 799-804 (1996)。

松丸 幸司: "塩素-酸素混合ガスによる鉄スクラップからの銅の選択除去" 鉄と鋼. 82・10. 799-804 (1996)

Koji Matsumaru：“使用氯氧混合气体从铁废料中选择性去除铜”Tetsu-to-Hagane 82·10 (1996)。