Process for preparing amorphous silica from kimberlite tailing

Process for preparing amorphous silica from kimberlite tailing

Disclosed is a new method for preparing freely flow hydration amorphous silicon dioxide from kimberlite tailings a waste of diamond mining. The method comprises that using acid to process kimberlite, reacting with alkali liquid further so as to obtain soluble metal silicate solution, and then neutra...

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Hauptverfasser: GHELANI DEVENDRA, SOMANI R S, DHAR M K, BAROCHIYA DIPTI, CHANDRA SURESH, CHUNAWALA J R, MODY H M, BAJAJ H C, KUMAR KAMLESH, RANPURA HEMAL, RAO KESHAV, JASRA RAKSH VIR
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Zusammenfassung:Disclosed is a new method for preparing freely flow hydration amorphous silicon dioxide from kimberlite tailings a waste of diamond mining. The method comprises that using acid to process kimberlite, reacting with alkali liquid further so as to obtain soluble metal silicate solution, and then neutralizing the metal silicate solution with inorganic acid so as to the silicon dioxide synthesize to insoluble deposition. The product can be used for rubber and paint as abrasives.