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Solvay process
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Solvay Process
Industrial process for the manufacture of sodium carbonate.
It is a multistage process in which carbon dioxide is generated from limestone and passed through brine saturated with ammonia. Sodium hydrogencarbonate is isolated and heated to yield sodium carbonate. All intermediate by-products are recycled so that the only ultimate by-product is calcium chloride.
© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.
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