石英杂质元素及提纯技术的研究进展
Advances in impurity elements and purification technologies of quartz
阐述了石英的杂质元素及其赋存状态,分析了石英提纯技术的国内外研究现状,介绍了石英的主要提纯技术,并对它们的优缺点进行了简要总结。相对于其他提纯技术,深度提纯技术制备的石英砂SiO2含量更高,更适合应用于新能源、光纤通信等高端制造行业。
This work presents the main purification technologies for quartz,and briefly summarizes their benefits and drawbacks.It also describes the impurity elements in quartz and their endowment states,and analyzes the current research status of quartz purification technologies in the world.The content of SiO2 in quartz produced by deep purification technology is higher than that by other conventional purification technologies,making it more suitable for high-end industries.
quartz sand / deep purification / physical separation / pretreatment / impurity
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