Method for recovery of alkali values from trona using air stripping
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United States of America Patent
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Nov 23, 1999
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N/A
app pub date -
Mar 18, 1996
filing date -
Mar 18, 1996
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Abstract
A process for recovery of alkali values from trona in which trona is dissolved, the sodium carbonate in the feed solution is converted to sodium bicarbonate by introducing carbon dioxide, sodium bicarbonate is crystallized and separated from a mother liquor, and sodium bicarbonate in the mother liquor is converted to sodium carbonate by introducing air to form a recirculating dissolving solution which is used to dissolve the trona.
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