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硅石焙烧-酸浸提纯及杂质相结构的演变
李烨; 王志; 马文会; 孙丽媛
2014
Source Publication过程工程学报
Issue03Pages:450-455
Abstract在硅石提纯过程中,采用XRD和EDS分析硅石中杂质元素赋存特征,采用高温焙烧活化与酸浸复合提纯方法研究了酸浸过程杂质相结构演变及提纯效果.结果表明,硅石中不同类型铝硅酸盐的K,Na,Ca,Al,Si含量不同,主要分为长石类、伊利石和高岭石;酸浸提纯过程中硅石的杂质相不仅会溶解在酸中,且长石类杂质相会演变成伊利石和高岭石.与未预酸浸的硅石提纯相比,预酸浸的硅石经高温焙烧活化提纯后纯度达99.995%,达到高纯石英砂的纯度,杂质Al和K含量分别降低了76.6%和66.5%;在700℃下焙烧,预酸浸硅石的Al和K去除效果最好,去除率分别为85%和41%.
Keyword硅石 提纯 酸洗 高温活化 结构演变
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/10110
Collection研究所(批量导入)
Recommended Citation
GB/T 7714
李烨,王志,马文会,等. 硅石焙烧-酸浸提纯及杂质相结构的演变[J]. 过程工程学报,2014(03):450-455.
APA 李烨,王志,马文会,&孙丽媛.(2014).硅石焙烧-酸浸提纯及杂质相结构的演变.过程工程学报(03),450-455.
MLA 李烨,et al."硅石焙烧-酸浸提纯及杂质相结构的演变".过程工程学报 .03(2014):450-455.
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