论文部分内容阅读
攀枝花钛精矿经过1 000℃氧化1 h后通过H_2/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NH_4Cl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TiO_2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Fe_3O_4,γ-FeO(OH)相或者得到由γ-FeO(OH)、α-FeO(OH)以及Fe_2O_3构成的混合物。
Titanium concentrate from Panzhihua was oxidized for 1 h at 1000 ℃ and then reduced for 1 h at 1000 ℃ by H 2 / CO mixed gas to obtain reduced titanium concentrate. The effect of separation of titanium and iron from reduced titanium concentrate in NH 4 Cl solution system and the iron byproduct Existing form. The results show that the titanium concentrate with 92.40% metallization rate can improve the grade of titanium-rich material in the corrosion product to 75.12% under the proper rust system. The addition of hydrochloric acid to the rusting solution can further increase the grade of TiO_2 in the titanium-rich material to 81.76 %; The byproducts of corrosion by-products can get more pure Fe_3O_4, γ-FeO (OH) phases or get the mixture of γ-FeO (OH), α-FeO (OH) and Fe_2O_3.