US 12,330,117 B1
Applying metal alkaline and microwave pyrolysis for separating and capturing carbon dioxide from exhaust gas
Philip D. Nguyen, Houston, TX (US); Ronald Glen Dusterhoft, Houston, TX (US); and Ronald Bosch, Houston, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Dec. 19, 2023, as Appl. No. 18/545,133.
Int. Cl. E21B 41/00 (2006.01); B01D 53/14 (2006.01); B01D 53/62 (2006.01); B01D 53/78 (2006.01); B01D 53/81 (2006.01); B01D 53/96 (2006.01); C01D 7/07 (2006.01); C01F 5/24 (2006.01); C01F 11/18 (2006.01)
CPC B01D 53/62 (2013.01) [B01D 53/1425 (2013.01); B01D 53/1475 (2013.01); B01D 53/1493 (2013.01); B01D 53/78 (2013.01); B01D 53/81 (2013.01); B01D 53/96 (2013.01); C01D 7/07 (2013.01); C01F 5/24 (2013.01); C01F 11/18 (2013.01); E21B 41/0064 (2013.01); B01D 2251/304 (2013.01); B01D 2251/306 (2013.01); B01D 2251/402 (2013.01); B01D 2251/404 (2013.01); B01D 2251/602 (2013.01); B01D 2251/604 (2013.01); B01D 2257/504 (2013.01); B01D 2258/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
reacting carbon dioxide from exhaust gas produced at a wellsite to produce a solid metal carbonate by reacting the carbon dioxide with a metal alkaline; and
microwaving the solid metal carbonate to produce recovered carbon dioxide and solid metal alkaline.