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Acid leaching is one of the important processes in PTMS Magnetic Separator purification of high purity quartz sand
published date: 2022/10/3

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The dried quartz sand is added to the dipping tank, and the acid used in acid leaching (sulfuric acid, hydrochloric acid, nitric acid or hydrofluoric acid) is quickly added under the condition of dry high temperature. The concentration of acid is 5%-20%, and the constant temperature stirring is 2-24 hours at 30℃-100℃. PTMS Magnetic Separator removes trace metal and non-metal impurities in fine quartz sand powder;

PTMS magnetic separation


Acid leaching is one of the important processes in the purification process of high purity quartz sand PTMS Magnetic Separator. It is a necessary process to prepare quartz glass for electric light source and quartz raw materials for photovoltaic and semiconductor devices. Acid leaching is mainly to remove metal oxides dissolved in acid and some silicate minerals and minerals soluble aluminum, iron and other trace impurities.

what is magnetic separation in Quartz?

 
After roasting and water quenching, picking, PTMS Magnetic Separator, most of the oxide and impurity minerals have been removed, but some of the oxide and impurity minerals are in grain boundaries, micro cracks and crystals, removal is somewhat difficult, so long time acid leaching is used to remove such impurities. Of course, in order to achieve the purpose, the process may be adjusted appropriately according to the condition of the raw ore, such as two-stage pickling, early acid leaching,
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