CAJ | 학술논문

采用光学显微镜、电子探针及电感耦合等离子质谱分析技术对富含矿物包裹体脉石英进行了矿物学研究。经粉碎、分级、磁选、无氟反浮选以及化学提纯制备出了高纯石英砂。3段无氟优先反浮选依次分离铁、云母和长石等矿物。浮选结果表明，石英砂中杂质元素总量由267.69μg/g降至155.93μg/g，SiO2含量99.984%，杂质金属元素浮选作业总去除率41.75%。热压浸出技术对于包裹在石英集合体中细粒长石和云母有明显浸出作用。用热压浸出制备出SiO2含量99.994%的超高纯石英，金属元素总去除率77.10%。探讨了脉石英焙烧、浮选以及热压浸出机理。
채용광학현미경、전자탐침급전감우합등리자질보분석기술대부함광물포과체맥석영진행료광물학연구。경분쇄、분급、자선、무불반부선이급화학제순제비출료고순석영사。3단무불우선반부선의차분리철、운모화장석등광물。부선결과표명，석영사중잡질원소총량유267.69μg/g강지155.93μg/g，SiO2함량99.984%，잡질금속원소부선작업총거제솔41.75%。열압침출기술대우포과재석영집합체중세립장석화운모유명현침출작용。용열압침출제비출SiO2함량99.994%적초고순석영，금속원소총거제솔77.10%。탐토료맥석영배소、부선이급열압침출궤리。
The mineralogical investigation has been done for the vein quartz using optical microscope, electron microprobe analysis and inductive coupled plasma emission spectrometer. The high purity quartz sands were prepared by crush, classiifcation, magnetic separation, lfuorine-free reverse lfotation and chemical leaching. The minerals of iron, mica and feldspar were separated in turn with technique of three sections priority of lfuorine-free reverse lfotation. The results of lfotation shows that the total amount of impurities element in the quartz sands were decreased from 267.69μg/g to 155.93μg/g, SiO2 99.984% and 41.75% total removal rate on metallic element lfotation operation. The technique of the hot pressing leaching showed an obvious leaching action for the micro-particle of feldspar and mica in quartz inclusions. The ultra- high purity quartz sands SiO2 99.994% were prepared by a hot pressing leaching. The total removal rate of metallic elements was 77.10%. The mechanism of roasting, lfotation and hot pressing leaching were Investigated as well.