SYSTEM AND METHOD OF REGULATING A TEMPERATURE OF A CO2 CAPTURE VESSEL DURING THERMAL SWING ADSORPTION USING AN INTER-EXCHANGER

1 . A carbon capture system for carbon dioxide (CO 2 )-thermal swing adsorption (TSA), the carbon capture system comprising:

an exhaust source configured to produce a hot exhaust;

an adsorption inlet arranged downstream from the exhaust source and configured to receive a cold exhaust comprising a mixture of CO 2 and nitrogen (N 2 ), wherein the cold exhaust is derived from the hot exhaust using one or more first heat exchangers; and

a plurality of capture vessels that are configured to be respectively cycled through a plurality of stages of a CO 2 -TSA process, including a CO 2 capture stage, a regeneration stage, and a cooling stage, wherein the plurality of capture vessels are respectively coupled to the adsorption inlet for receiving the cold exhaust during the CO 2 capture stage,

wherein each capture vessel of the plurality of capture vessels includes a respective inter-exchanger, and

wherein each respective inter-exchanger is configured to circulate a respective coolant within a respective capture vessel during a respective CO 2 capture stage of the respective capture vessel in order to cool at least a portion of capture media of the respective capture vessel during the respective CO 2 capture stage.

2 . The carbon capture system of claim 1 , wherein the capture media of the respective capture vessel are configured to, during the respective CO 2 capture stage, receive the cold exhaust and adsorb CO2 from the cold exhaust to produce an N 2 gas.

3 . The carbon capture system of claim 1 , wherein each respective inter-exchanger is thermally coupled to the capture media of the respective capture vessel, and

wherein each respective inter-exchanger is configured to, during the respective CO 2 capture stage, circulate the respective coolant within the respective capture vessel to regulate a temperature of the capture media of the respective capture vessel.

4 . The carbon capture system of claim 3 , wherein each respective inter-exchanger is a heat exchanger arranged in the capture media of the respective capture vessel.

5 . The carbon capture system of claim 3 , wherein each respective inter-exchanger includes at least one coil that is configured to, during the CO 2 capture stage, carry the respective coolant such that the respective coolant absorbs heat from the capture media of the respective capture vessel and carries the heat away from the respective capture vessel.

6 . The carbon capture system of claim 5 , wherein the respective coolant does not make physical contact with the cold exhaust during the respective CO 2 capture stage.

7 . The carbon capture system of claim 1 , wherein each respective inter-exchanger is configured to circulate the respective coolant within the respective capture vessel during a respective cooling stage of the respective capture vessel in order to cool at least a portion of capture media of the respective capture vessel during the respective cooling stage.

8 . A capture vessel configured to capture carbon dioxide (CO 2 ) according to a thermal swing adsorption (TSA) process, wherein the TSA process includes a cyclical sequence including a CO 2 capture stage, a regeneration stage, and a cooling stage, the capture vessel comprising:

capture media arranged inside the capture vessel; and

an inter-exchanger arranged inside the capture vessel and thermally coupled to the capture media, and

wherein the capture media are configured to adsorb CO 2 from an exhaust gas during the CO 2 capture stage to produce a nitrogen (N 2 ) gas that exits the capture vessel,

wherein the inter-exchanger is configured to, during the CO 2 capture stage, circulate a coolant within the capture vessel to regulate a temperature of the capture media.

9 . The capture vessel of claim 8 , wherein the inter-exchanger is configured to cool at least a portion of capture media during the CO 2 capture stage in order to increase a CO 2 adsorption capacity of the capture media.

10 . The capture vessel of claim 8 , wherein the inter-exchanger is a heat exchanger arranged in the capture media.

11 . The capture vessel of claim 8 , wherein the inter-exchanger includes at least one coil that is configured to, during the CO 2 capture stage, carry the coolant such that the coolant absorbs heat from the capture media and carries the heat out of the capture vessel.

12 . The capture vessel of claim 8 , wherein the coolant does not make physical contact with the exhaust gas during the CO 2 capture stage.

13 . The capture vessel of claim 8 , wherein the capture media comprises:

a first portion of capture media arranged proximate to an inlet of the capture vessel, wherein the inlet is configured to receive the exhaust gas; and

a second portion of capture media arranged proximate to an outlet of the capture vessel, wherein the outlet is configured to output the N 2 gas,

wherein the inter-exchanger is arranged between the first portion of capture media and the second portion of capture media, and

wherein the inter-exchanger is thermally coupled to at least the first portion of capture media.

14 . The capture vessel of claim 13 , wherein the inter-exchanger is thermally coupled to the second portion of capture media.

15 . The capture vessel of claim 8 , further comprising:

dehydrating media arranged inside the capture vessel, wherein the dehydrating media are configured to adsorb water from the exhaust gas during the CO 2 capture stage.

16 . The capture vessel of claim 8 , wherein the capture vessel is configured to, during the regeneration stage, release adsorbed CO 2 to produce a CO 2 stream and receive a heated CO 2 stream derived from the CO 2 stream.

17 . The capture vessel of claim 16 , wherein the heated CO 2 stream includes water vapor, and

wherein the capture media are configured to adsorb the water vapor from the heated CO 2 stream and release the adsorbed CO 2 based on an adsorption of the water vapor.

18 . The capture vessel of claim 17 , wherein the TSA process includes a drying stage performed subsequent to the regeneration stage,

wherein the capture media are configured to, during the drying stage, receive a dry hot gas and release adsorbed water via evaporation caused by the dry hot gas, and

wherein the adsorbed water is adsorbed from the water vapor during the regeneration stage.

19 . The capture vessel of claim 8 , wherein the inter-exchanger is configured to, during the cooling stage, circulate the coolant within the capture vessel to regulate the temperature of the capture media.

20 . The capture vessel of claim 8 , wherein the capture media includes activated carbon.