US 12,172,125 B1
High performance CO2 capture solvent compositions, and CO2 capture systems and processes utilizing same
Aravind V. Rayer Rabindran, Morrisville, NC (US); Shaojun James Zhou, Cary, NC (US); Sujay Someshwar, Cary, NC (US); and Raghubir Prasad Gupta, Durham, NC (US)
Assigned to SUSTEON INC., Cary, NC (US)
Filed by SUSTEON INC., Cary, NC (US)
Filed on Feb. 15, 2024, as Appl. No. 18/443,242.
Claims priority of provisional application 63/516,443, filed on Jul. 28, 2023.
Int. Cl. B01D 53/14 (2006.01)
CPC B01D 53/1493 (2013.01) [B01D 53/1475 (2013.01); B01D 2252/20431 (2013.01); B01D 2252/20447 (2013.01); B01D 2252/504 (2013.01); B01D 2257/504 (2013.01)] 29 Claims
OG exemplary drawing
 
28. A CO2 capture solvent composition for removing CO2 from CO2-containing gas contacted therewith, selected from the group consisting of:
(i) a CO2 capture solvent composition comprising potassium lysinate (KLyS), methyldiethanolamine (MDEA), piperazine (PZ), benzylamine (BZA), monoethanolamine (MEA), taurine, and water;
(ii) a CO2 capture solvent composition comprising potassium lysinate (KLyS), methyldiethanolamine (MDEA), piperazine (PZ), benzylamine (BZA), aminomethyl propanol (AMP), monoethanolamine (MEA), taurine, and water;
(iii) a CO2 capture solvent composition comprising potassium lysinate (KLyS), methyldiethanolamine (MDEA), piperazine (PZ), benzylamine (BZA), taurine, and water; and
(iv) a CO2 capture solvent composition comprising potassium lysinate (KLyS), methyldiethanolamine (MDEA), piperazine (PZ), benzylamine (BZA), aminomethyl propanol (AMP), taurine, and water.