US 12,115,490 B2
System and method for substance removal
Peter Colin Dess, San Jose, CA (US); Jaya Rao, San Jose, CA (US); James Kronik, San Jose, CA (US); and Rene Alejandro Mendez, San Jose, CA (US)
Assigned to Ivy Capture Inc., San Jose, CA (US)
Filed by Ivy Capture Inc., San Jose, CA (US)
Filed on Feb. 7, 2024, as Appl. No. 18/435,339.
Claims priority of provisional application 63/597,554, filed on Nov. 9, 2023.
Claims priority of provisional application 63/448,086, filed on Feb. 24, 2023.
Claims priority of provisional application 63/443,752, filed on Feb. 7, 2023.
Prior Publication US 2024/0261718 A1, Aug. 8, 2024
Int. Cl. B01D 53/14 (2006.01); B01D 53/04 (2006.01); B01D 53/26 (2006.01); B01D 53/62 (2006.01)
CPC B01D 53/0438 (2013.01) [B01D 53/0454 (2013.01); B01D 53/14 (2013.01); B01D 53/1475 (2013.01); B01D 53/265 (2013.01); B01D 53/268 (2013.01); B01D 53/62 (2013.01); B01D 2252/00 (2013.01); B01D 2253/102 (2013.01); B01D 2253/25 (2013.01); B01D 2257/504 (2013.01); B01D 2259/4009 (2013.01); B01D 2259/4508 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A system comprising an air treatment module comprising:
a sorption cavity;
an intake channel connected to the sorption cavity;
a sorbent structure in the sorption cavity, the sorbent structure comprising micro-encapsulated carbon sorbent;
a heating system configured to store and heat water;
a pump; and
a separation system comprising a water outlet, the separation system configured to separate gaseous carbon dioxide from steam;
wherein the air treatment module is operable between a set of modes, the set of modes comprising:
a sorption mode, wherein:
the intake channel is open to an air source; and
the micro-encapsulated carbon sorbent sorbs carbon dioxide from flowing air received at the intake channel; and
a desorption mode, comprising:
a purging mode, wherein
the intake channel is closed to the air source;
the pump pumps air out of the sorption cavity until a sorption cavity pressure reaches a threshold value between 350 torr and 760 torr; and
a regeneration mode, wherein
the intake channel is closed to the air source;
the heating system injects steam into the sorption cavity;
the sorbent structure desorbs gaseous carbon dioxide into the sorption cavity; and
wherein the separation system separates water from the desorbed gaseous carbon dioxide and drains the separated water using the water outlet.
 
14. A method for removing carbon dioxide from air, comprising
a) drawing flowing air into an air treatment module from an air source through an air intake channel;
b) sorbing carbon dioxide from the flowing air using micro-encapsulated carbon sorbent;
c) closing the air intake channel, thereby fluidly isolating the air treatment module from the air source;
d) using a pump, removing air from the air treatment module;
e) using a heating system, injecting water vapor into the air treatment module, wherein the micro-encapsulated carbon sorbent desorbs carbon dioxide into the air treatment module;
f) using the pump, removing a mixture comprising the water vapor and carbon dioxide from the air treatment module; and
g) using a separation module, separating the water vapor-carbon dioxide mixture into water and carbon dioxide.