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Primary hindered aminoacids for promoted acid gas scrubbing process

Patent ·
OSTI ID:6556101
This patent describes a process for removing CO{sub 2} and other acid gases from a normally gaseous mixture. It comprises: contacting the normally gaseous mixture under absorption conditions with an aqueous scrubbing solution comprising: one or more alkali metal salts; and as the sole sterically hindred amino compound acid gas absorption promoters, one or more primary sterically hindred amino acids; and desorbing at least a portion of the absorbed CO{sub 2} from the solution.
Assignee:
Exxon Research and Engineering Co., Florham Park, NJ (USA)
Patent Number(s):
US 4919904; A
Application Number:
PPN: US s 7-179995
OSTI ID:
6556101
Country of Publication:
United States
Language:
English