F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/02 (2006.01) F25J 3/04 (2006.01)
Patent
CA 2150625
A cryogenic rectification method for producing a product stream from a gaseous mixture having higher and lower volatility components and heavy impurities. In accordance with the method, the mixture is separated by a cryogenic rectification process employing one or more columns having plates, trays or packing for intimately contacting ascending vapor and descending liquid streams within the column. The mixture to be separated after having been compressed is combined with the recycle stream to produce a combined stream which is purified in a prepurification unit that is designed to remove the heavy contaminants. The combined steam is divided into major and minor streams. The major stream is then cooled and separated into liquid and vapor phases. Heavy impurities concentrate in the liquid phase taken as the recycle stream, which is then pumped to a high enough pressure for vaporization of the impurities. The resulting vapor is then reduced in pressure and combined with the incoming gaseous mixture. The concentration of heavy impurities in the vapor phase is reduced to a sufficient extent such that a product stream concentrated in the lower volatility component will have a reduction in its heavy impurity concentration. The product stream is pumped to pressure and vaporized against a portion of mixture using a boosted pressure subsidiary stream made up of a minor portion of the gaseous mixture.
Mostello Robert A.
Stern Sidney S.
Gowling Lafleur Henderson Llp
The Boc Group Inc.
LandOfFree
Cryogenic rectification method and apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cryogenic rectification method and apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cryogenic rectification method and apparatus will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1592020