The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 07, 2001
Filed:
Jun. 02, 2000
Brian Alfred McNeil, Chessington, GB;
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
Hydrogen and carbon monoxide are separated from a condensate-containing gaseous mixture thereof by using (a) a “first” stripping column (,) to remove the hydrogen content of the CO-loaded methane stream (,) obtained by washing CO from the gaseous mixture, or the vapor portion from a phase separation thereof, ascending a methane wash column (,) and (b) a “second” stripping column or a flash separator (,) to remove the hydrogen content of the feed gas condensate (,) obtained from the methane wash column (,), or the phase separation. The vapor stream (,) from the second stripping column or flash separator (,) is fed to the first stripping column (,). The liquid stream from the first stripping column and the liquid stream (,) from the second stripping column or flash separator (,) are fed (,&,to,) to different locations of a separation column (,) providing a gaseous carbon monoxide product stream (,) and a liquid methane wash recycle stream (,). The process improves the efficiency of the separation by avoiding dilution of the CO concentration of the feed gas condensate (,) with the CO-loaded methane stream (,) which occurs in prior art CO/hydrogen separations using a methane wash.