国内高纯石英砂选矿与深加工研究现状

高纯石英砂是高档石英制品的原材料,是硅产业高端产品的物质基础,其广泛运用于光伏、电子信息、电光源和光通讯等行业,在新材料新能源等战略性新兴产业中具有重要地位和作用。本文阐述了近几年国内高纯石英砂的应用现状及主要的提纯石英砂的选矿工艺,综合评述了深加工领域中石英砂向高纯度、低结晶度、低放射性、球形化等方向发展的趋势,阐明了石英砂提纯及深加工技术对科技发展的重要性。

The actuality of research and beneficiation of high purity quartz sand in China

High purity quartz is raw materials of high-grade quartz products and the material basis of the high-end products of silicon industry,which are widely used in photovoltaic, electronic information, electric light source and optical communications industry.It has an important position and role in the new energy and new materials in emerging industries.This paper introduces the application status of the domestic high pure quartz sand in recent years and purification of quartz sand processing mainly, were reviewed the domestic development and progress of high pure quartz sand technology in recent years.Especially in the field of deep processing, quartz sand is required to develop in the direction of high purity, low crystallinity, low radioactivity and sphericity.Therefore, it is of great significance for the future development of science and technology to master quartz sand purification and deep processing technology.