Process for removal of carbon dioxide from flue gases
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United States of America Patent
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N/A
Issued Date -
Jul 1, 2004
app pub date -
Oct 22, 2003
filing date -
Oct 23, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process to removal and capture of carbon dioxide from flue gas is provided. Carbon dioxide is extracted from flue gas by contacting the flue gas with a solvent in a solvent extraction zone (1) to obtain a carbon dioxide-depleted flue gas, regenerating the solvent in a solvent regeneration zone (2) by heating the carbon dioxide-containing solvent to obtain a regenerated solvent and a carbon dioxide stream and reacting the carbon dioxide stream obtained in step (b) with a bivalent alkaline earth metal silicate in a mineral carbonation zone (3) by contacting the carbon dioxide stream with silicate particles dispersed in an aqueous solution.
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