Black liquier gasification process operating at low pressures using a circulating fluidized bed
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United States of America Patent
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Feb 8, 1994
Grant Date -
N/A
app pub date -
Jun 18, 1992
filing date -
Jun 18, 1992
priority date (Note) -
Expired
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Abstract
A black liquor gasification system intended for use as a replacement for a Tomlinson cycle, Chemical Recovery Unit, and which operates at a temperature below the ash melting temperature thereby removing the potential for smelt-water reactions and explosions. The subject black liquor gasification system is based on the use of a circulating fluidized bed operating at atmospheric pressure that produces dry, recoverable salts as well as low calorific gases to be used within the paper-making process.
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