攀枝花钛精矿还原锈蚀法研究

白天蛟; 丁伟中; 尚兴付; 谈定生; 郭曙强

doi:10.7513/j.issn.1004-7638.2016.04.002

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攀枝花钛精矿还原锈蚀法研究

doi: 10.7513/j.issn.1004-7638.2016.04.002

省部共建高品质特殊钢冶金与制备国家重点实验室, 上海市钢铁冶金新技术开发应用重点实验室, 上海大学材料科学与工程学院, 上海 200072

详细信息

作者简介:
白天蛟(1989-),男,河北衡水人,硕士研究生,主要从事湿法冶金领域的研究

通讯作者:
丁伟中,教授,电话:13611824209,E-mail:wzhding@shu.edu.cn

中图分类号: TF823
计量
- 文章访问数: 235
- HTML全文浏览量: 60
- PDF下载量: 10
- 被引次数: 0
出版历程
- 收稿日期: 2016-04-14
- 网络出版日期: 2016-08-28
- 刊出日期: 2016-08-28

Research on Reduction-rusting Process of Panzhihua Ilmenite

State Key Laboratory of Advanced Special Steel Metallurgy and Preparation, Shanghai Key Laboratory of Technical Development and Application of Ferrous Metallurgy, School of Materials Science and Engineering, Shanghai University, Shanghai 200072, China

摘要

摘要: 攀枝花钛精矿经过1 000℃氧化1 h后通过H₂/CO混合气体1 000℃还原1 h得到还原钛精矿,研究还原钛精矿在NH₄Cl溶液体系下钛铁分离效果以及锈蚀产物中铁副产品的存在形式。结果表明:金属化率为92.40%的钛精矿在合适的锈蚀体系下能够将锈蚀产物中富钛料的品位提高到75.12%;锈蚀溶液中添加盐酸能够继续提高富钛料中TiO₂的品位至81.76%;锈蚀副产物铁副产品中能够得到较为纯净的Fe₃O₄,γ-FeO(OH)相或者得到由γ-FeO(OH)、α-FeO(OH)以及Fe₂O₃构成的混合物。
- 钛铁矿 /
- 还原锈蚀法 /
- 富钛料 /
- 副产物
Abstract: The separation effect of iron and titanium and the existence forms of iron byproducts in NH₄Cl rusting solution for the reductive ilmenite which was obtained by oxidation at 1 000℃ for 1 h then reduction at 1 000℃ for 1 h with H₂/CO mixed gas using Panzhihua ilmenite as raw material were studied in this paper.The results show that in an appropriate reduction-rusting system for the ilmenite with 92.40%metallization rate,the TiO₂ concentration of Ti-rich material in the corrosion products can be increased to 75.12% and the addition of hydrochloric acid in the rusting solution can sequentially increase the TiO₂ concentration of Ti-rich material to 81.76%.Pure Fe₃O₄ and γ-FeO(OH),or mixture composed of Fe₂O₃,γ-FeO(OH) and α-FeO(OH) in the iron byproducts for corrosion can be obtained.
- ilmenite /
- reduction-rusting process /
- titanium-rich material /
- by-product