Exhaust heat utilization method for carbon dioxide recovery process
Patent 6764530 Issued on July 20, 2004. Estimated Expiration Date: December 17, 2022. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
95/183, Carbon dioxide removed60/39.5, With exhaust treatment60/691, Boiler feed water heated by exhaust95/227, With heating95/228, With cooling95/236Carbon dioxide sorbed
An exhaust heat utilization method for a carbon dioxide recovery process comprises heating returning hot water by at least one heat exchange selected from heat exchange with the regenerated absorbing liquid after heat exchange, heat exchange with carbon dioxide exhausted from the regeneration tower, and heat exchange with saturated water after heating the bottom of the regeneration tower, thereby obtaining hot water.