Purification method for increasing carbon dioxide recovery

Application Number: 00108247
Application Date: 2000.04.30
Publication Number: 1273139
Publication Date: 2000.11.15
Priority Information: 1999/5/7 US 09/306816
International: B01D53/00;B01D53/62;C01B31/20
Applicant(s) Name: Praxair Technology Inc.
Inventor(s) Name: H. E. Howad
Patent Agency Code: 72001
Patent Agent: lu xinhua
Abstract A system for cleaning a carbon dioxide gas stream of water soluble contaminants with improved recovery of carbon dioxide wherein the water soluble contaminants are removed into countercurrently flowing water which undergoes at least one pressure reduction step releasing absorbed carbon dioxide for recapture and recycle into the carbon dioxide gas stream.