US 11,713,285 B2
Methanation and recovery method, system, and apparatus
Natan Shahar, Jerusalem (IL); Avshalom Davidesko, Ariel (IL); and Ilia Ulitsin, Ariel (IL)
Assigned to Shahar Golan Technology Soultions, Ltd., Jerusalem (IL); and Ariel Scientific Innovations Ltd., Ariel (IL)
Filed by Shahar Golan Technology Soultions Ltd., Jerusalem (IL); and Ariel Scientific Innovations Ltd., Ariel (IL)
Filed on Nov. 17, 2021, as Appl. No. 17/528,587.
Prior Publication US 2023/0150898 A1, May 18, 2023
Int. Cl. C07C 1/12 (2006.01); B01J 19/24 (2006.01); C25B 1/04 (2021.01); C01B 32/50 (2017.01)
CPC C07C 1/12 (2013.01) [B01J 19/244 (2013.01); C01B 32/50 (2017.08); C25B 1/04 (2013.01); B01J 2219/00076 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving a hydrocarbon combustion exhaust stream comprising water and carbon dioxide in a first chamber containing liquid water;
conveying methanation reaction products through a first heat exchanger of the first chamber to transfer heat from the methanation reaction products to the liquid water; and
subjecting the heated liquid water to electrolysis in the first chamber to generate hydrogen and oxygen.