CO2 RECOVERY SYSTEM AND WASTE-PRODUCT REMOVING METHOD
First Claim
1. A CO2 recovery system including an absorption tower that receives CO2-containing gas and CO2-absorbing solution, and causes the CO2-containing gas to come in contact with the CO2-absorbing solution to produce CO2 rich solution, and a regeneration tower that receives the rich solution and produces lean solution from the rich solution by removing CO2 from the rich solution, the CO2 recovery system comprising:
- a heating unit that receives the lean solution produced in the regeneration tower and heats the lean solution to obtain condensed waste-product from the lean solution; and
a cooling unit that receives the condensed waste-product from the heating unit and cools the condensed waste-product.
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Abstract
A CO2 recovery system includes an absorption tower and a regeneration tower. CO2 rich solution is produced in the absorption tower by absorbing CO2 from CO2-containing gas. The CO2 rich solution is conveyed to the regeneration tower where lean solution is produced from the rich solution by removing CO2. A reclaimer heats the lean solution that is produced in the regeneration tower to produce a condensed waste-product from the lean solution by condensing a depleted material contained in the lean solution, and removes the condensed waste-product. A cooler cools the condensed waste-product.
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Citations
10 Claims
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1. A CO2 recovery system including an absorption tower that receives CO2-containing gas and CO2-absorbing solution, and causes the CO2-containing gas to come in contact with the CO2-absorbing solution to produce CO2 rich solution, and a regeneration tower that receives the rich solution and produces lean solution from the rich solution by removing CO2 from the rich solution, the CO2 recovery system comprising:
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a heating unit that receives the lean solution produced in the regeneration tower and heats the lean solution to obtain condensed waste-product from the lean solution; and a cooling unit that receives the condensed waste-product from the heating unit and cools the condensed waste-product. - View Dependent Claims (2, 3, 4, 5)
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6. A method of removing waste-product in a CO2 recovery system including an absorption tower that receives CO2-containing gas and CO2-absorbing solution, and causes the CO2-containing gas to come in contact with the CO2-absorbing solution to produce CO2 rich solution, and a regeneration tower that receives the rich solution and produces lean solution from the rich solution by removing CO2 from the rich solution, the method comprising:
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taking out the lean solution produced in the regeneration tower and heating the lean solution to obtain condensed waste-product from the lean solution; and taking out the condensed waste-product and cooling the condensed waste-product. - View Dependent Claims (7, 8, 9, 10)
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Specification
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- Resources
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Granted Patent
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Time in Patent OfficeDays
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Field of Search
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US Class Current95/183
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CPC Class CodesB01D 53/1425 Regeneration of liquid abso...B01D 53/1475 Removing carbon dioxideC01B 32/50 Carbon dioxideY02C 20/40 of CO2Y02P 20/151 Reduction of greenhouse gas...
