风化壳淋积型稀土矿开采及分离技术的现状与发展  

The Present Situation and Development Trends of the Mining and Separation Technologies of Weathering Crust Lon-Absorbed Type Rare-earth Ores

作　　者：伍红强[1] 尹艳芬[1] 方夕辉[1] 

机构地区：[1]江西理工大学资源与环境工程学院,江西赣州341000

出　　处：《有色金属科学与工程》2010年第6期73-76,共4页Nonferrous Metals Science and Engineering

摘　　要：在查阅大量文献资料的基础上,阐述了风化壳淋积型稀土矿处理技术的现状,分析了目前风化壳淋积型稀土矿各种提取技术的主要特点;针对目前提取工艺中存在的一些问题,在原地溶浸的基础理论研究、新型沉淀剂的研发及除杂提纯技术等方面提出了下一步的发展方向.This paper describes the technical status of weathering crust ion-absorbed type rare-earth ores, and analyzes the main features of these various extraction techniques. The future development directions are put forward from the aspects of basic research of Situ leaching, the research and development of a new precipitating agent, impurity purification technology in accordance with the problems existed in the current exaction process.

关 键 词：风化壳淋积型稀土矿 原地溶浸 现状 发展趋势 

分 类 号：TD865[矿业工程—金属矿开采]