SYSTEM FOR RECOVERING CARBON DIOXIDE FROM FLUE GAS
First Claim
1. A system for recovering carbon dioxide from flue gas, comprising:
- an absorber that brings CO2 absorbent that absorbs CO2 contained in flue gas exhausted from industrial facilities into contact with the flue gas to remove CO2 from the flue gas;
a regenerator that strips CO2 from CO2 absorbent that is fed from the absorber through a first feed line and has absorbed the CO2 to regenerate CO2 absorbent;
at least two falling film reboilers that draw off CO2 absorbent from near a bottom of the regenerator and reheats CO2 absorbent via steam;
a first liquid-vapor separator that separates CO2 absorbent reheated by the falling film reboilers into CO2 absorbent and vapor containing CO2; and
a second feed line for supplying separated CO2 absorbent to the absorber.
4 Assignments
0 Petitions
Accused Products
Abstract
To include an absorber (1006) that brings CO2 absorbent that absorbs CO2 contained in flue gas (1002) into contact with the flue gas to remove CO2 from the flue gas, a regenerator (1008) that strips CO2 from CO2 absorbent (rich solution), which is fed from the absorber through a first feed line L1 and has absorbed CO2, to regenerate CO2 absorbent, thereby acquiring regenerated CO2 absorbent (lean solution) (1009), falling film reboilers (1101-1 and 1101-2) that draw off CO2 absorbent (amine solution) (1033) from near the bottom of the regenerator and reheats regenerated CO2 absorbent via steam (1031), a first liquid-vapor separator (1103) that separates the CO2 absorbent reheated by the falling film reboilers into regenerated CO2 absorbent in which CO2 has been removed and vapor containing CO2, and a second feed line L2 for supplying the separated regenerated CO2 absorbent to the absorber.
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Citations
4 Claims
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1. A system for recovering carbon dioxide from flue gas, comprising:
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an absorber that brings CO2 absorbent that absorbs CO2 contained in flue gas exhausted from industrial facilities into contact with the flue gas to remove CO2 from the flue gas; a regenerator that strips CO2 from CO2 absorbent that is fed from the absorber through a first feed line and has absorbed the CO2 to regenerate CO2 absorbent; at least two falling film reboilers that draw off CO2 absorbent from near a bottom of the regenerator and reheats CO2 absorbent via steam; a first liquid-vapor separator that separates CO2 absorbent reheated by the falling film reboilers into CO2 absorbent and vapor containing CO2; and a second feed line for supplying separated CO2 absorbent to the absorber. - View Dependent Claims (2, 3, 4)
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Specification