Production of soda ash from nahcolite
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United States of America Patent
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Dec 10, 1985
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N/A
app pub date -
Mar 29, 1982
filing date -
Mar 29, 1982
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Expired
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Abstract
Soda ash is prepared from dry-mined nahcolite ore by partially calcining the ore, dissolving the ore in aqueous solution, separating the resultant solution from the ore insolubles, crystallizing anhydrous sodium carbonate or sodium carbonate monohydrate, and recovering the crystallized sodium carbonate.
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