Preparation of precipitated silica from various non-metallic minerals
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Non-Metallic Mineral Preparation precipitated silica technology refers to the preparation of precipitated silica by a series of chemical synthesis processes using inexpensive non-metallic minerals as a silicon source. The key to this technology is the conversion of crystalline silica and silicates into amorphous silica.
The raw materials mainly include wollastonite, opal, halloysite, olivine, snake-mosquito, kaolin, hard kaolin, coal gangue, fly ash and the like.
