Research of Leaching alumina and iron oxide from Bayer Red mud

被引：11
|
作者：
Lu, Rongrong [1 ]
Zhang, Yihe [1 ]
Zhou, Fengshan [1 ]
Wang, Xinke [1 ]
机构：
[1] China Univ Geosci, State Key Lab Geol Proc & Mineral Recourses, Natl Lab Mineral Mat, Sch Mat Sci & Technol, Beijing 100083, Peoples R China
来源：
NEW TRENDS IN MECHATRONICS AND MATERIALS ENGINEERING | 2012年 / 151卷
关键词：
Bayer red mud; hydrochloric acid; sulfuric acid; acid leaching ratios; COAGULANT; RESIDUE;
D O I：
10.4028/www.scientific.net/AMM.151.355
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Adopting Bayer red mud as raw material, researching five acid leaching of alumina and iron oxide methods, hydrochloric acid leaching, sulfuric acid leaching, mixed acid leaching and two methods of classification acid leaching, affecting on leaching ratio of Al and Fe in red mud. All the five acid leaching experiments have a good effect on the leaching ratios of alumina and iron oxide. The highest leaching ratios of alumina and iron oxide are 90.1% and 99.0% when the volume of hydrochloric acid and sulfuric acid are 25mL in the mixed acid leaching. Finally, obtain better condition of preparing flocculants solution for water treatment by leaching Fe and Al in red mud.
引用
收藏
页码：355 / 359
页数：5
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