Procedure for preparing silica from calcium silicate

   
   

This invention concerns a procedure for preparing amorphous silica from calcium silicate and CO.sub.2, with formation and separation of precipitate CaCO.sub.3.

Esta invenção concerne um procedimento para preparar o silicone amorfo do silicato do cálcio e do CO.sub.2, com a formação e a separação do precipitate CaCO.sub.3.

 
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