Method for Preparing Acidic Solutions of Activated Silica and Polyvalent Metal Salt for Water Treatment

摘要

#$%^&*AU2006235901B220130124.pdf#####METHOD FOR PREPARING ACIDIC SOLUTIONS OF ACTIVATED SILICA AND POLYVALENT METAL SALT FOR WATER TREATMENT Abstract: A process is disclosed for the production of acidic solutions of activated silica and polyvalent metal salt for water treatment. Activated silica is formed during the process of acidifying a sodium silicate solution to below pH 2 with sulfuric acid. A polyvalent metal salt is then added to stabilize the acidified activated silica.