Process and apparatus for drying and calcining sodium bicarbonate
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United States of America Patent
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Jul 5, 1994
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N/A
app pub date -
Dec 23, 1992
filing date -
Dec 23, 1992
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Abstract
Damp sodium bicarbonate filter cake is pre-dried and calcined to produce light soda as in a process comprising a carbon dioxide ebullated fluid bed pre-dryer working in connected series relationship with a plurality of carbon dioxide ebullated fluid bed/bag filter calcination systems such that bicarbonate decomposition during pre-drying is minimized and the thermal treatment of small particles during calcination is optimized.
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