Patent Number: 6,165,433

Title: Carbon dioxide recovery with composite amine blends

Abstract: A method for recovering carbon dioxide by absorption of carbon dioxide from a gas stream into a composite recovery solvent comprising preferably a lesser concentration of one or more fast reaction rate amines and a greater concentration of one or more slow reaction rate amines.

Inventors: Chakravarti; Shrikar (Williamsville, NY), Gupta; Amitabh (East Amherst, NY)

Assignee: Praxair Technology, Inc.

International Classification: B01D 53/14 (20060101); C01B 31/20 (20060101); C01B 31/00 (20060101); C01B 031/20 ()

Expiration Date: 12/26/2017