堆积型铝土矿的浮选技术研究  

The Flotation Technology for Accumulation Type Bauxite

作　　者：宋涛[1,2,3] 杨景皓[1,2,3] 汤优优[1,2,3] 

机构地区：[1]昆明冶金研究院,云南昆明650031 [2]云南选冶新技术重点实验室,云南昆明650503 [3]共伴生有色金属资源加压湿法冶金技术国家重点实验室,云南昆明650503

出　　处：《云南冶金》2016年第5期12-16,共5页Yunnan Metallurgy

摘　　要：本文以云南堆积型铝土矿为研究对象开展选矿试验研究工作。铝土矿原矿Al_2O_3品位47.70%,SiO_2品位11.08%,A/S为4.31。在研究了该矿石化学成分与矿物组成的基础上,进行了正浮选一水硬铝石、从而提高铝硅比的试验研究,最终得到Al_2O_3品位54.69%、回收率达到80.69%的精矿,A/S为8.31。本文的研究成果表明,铝土矿的浮选工艺相对简单,高效捕收剂H2的使用是堆积型铝土矿浮选技术的关键。The beneficiation experimental study is carried out that Yunnan accumulation type bauxite as the study object. In the raw bauxite ore, the grade of Al2O3 is 47.70%, the grade of SiO2 is 11.08%, A/S is 4.31. On the basis of the chemical component and mineral composition study, the direct flotation of diasporic bauxite is carried out, thereby the alumina-silica ratio is improved in this study, finally we can get the grade of Al2O3 is 54.69%, the recovery rate of the concentrate can be reach to 80.69%, A/S is 8.31. The study results show, the floation technology of bauxite is relatively simple;the adoption of the efficient collecting agent H2 is the key for the flotation of accumulation type bauxite.

关 键 词：铝土矿 堆积型 捕收剂 

分 类 号：TD923[矿业工程—选矿]