US 12,442,096 B2
Method of compressing carbon dioxide using high-pressure electrolysis
Sumon Bishwas, Brøndby Strand (DK)
Assigned to Hymeth ApS, Søborg (DK)
Appl. No. 17/906,634
Filed by Hymeth ApS, Søborg (DK)
PCT Filed Mar. 16, 2021, PCT No. PCT/EP2021/056682
§ 371(c)(1), (2) Date Sep. 19, 2022,
PCT Pub. No. WO2021/185836, PCT Pub. Date Sep. 23, 2021.
Claims priority of application No. 20163771 (EP), filed on Mar. 17, 2020.
Prior Publication US 2023/0136154 A1, May 4, 2023
Int. Cl. C25B 15/08 (2006.01); C07C 1/12 (2006.01); C25B 1/02 (2006.01); C25B 1/04 (2021.01); C25B 9/05 (2021.01); F04B 9/129 (2006.01)
CPC C25B 15/081 (2021.01) [C07C 1/12 (2013.01); C25B 1/02 (2013.01); C25B 1/04 (2013.01); C25B 9/05 (2021.01); F04B 9/129 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method of compressing carbon dioxide, CO2, comprising:
a) generating a stream of high-pressure oxygen gas and a stream of high-pressure hydrogen gas using a high-pressure electrolyser,
b) feeding a reciprocating positive displacement pump including a reciprocating member, with a stream of CO2, and with the stream of high-pressure oxygen gas as drive gas to actuate the reciprocating member and compress the CO2 to obtain a stream of high-pressure CO2.