Process for the manufacture of sodium silicate
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United States of America Patent
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Jun 22, 1982
Grant Date -
N/A
app pub date -
Jun 20, 1980
filing date -
Jul 25, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention comprises a process for the manufacture of a sodium silicate solution in a continuous manner from a silicon dioxide-containing material, comprising continuously adding to a reaction zone a stream of said silicon dioxide-containing material and a stream of a sodium hydroxide-sodium carbonate solution, reacting said silicon dioxide-containing material and said sodium hydroxide-sodium carbonate at a temperature and pressure and for a time sufficient to form a sodium silicate solution, and recovering said sodium silicate solution from the reaction zone.
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