F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
F25J 3/06 (2006.01) F25J 3/00 (2006.01)
Patent
CA 2723831
The present invention relates to an improved process for recovery of natural gas liquids from a natural gas feed stream. The process runs at a constant pressure with no intentional reduction in pressure. An open loop mixed refrigerant is used to provide process cooling and to provide a reflux stream for the distillation column used to recover the natural gas liquids. The processes may be used to recover C3+ hydrocarbons from natural gas, or to recover C2+ hydrocarbons from natural gas.
La présente invention concerne un procédé amélioré pour la récupération de liquides du gaz naturel à partir dun courant dalimentation en gaz naturel. Le procédé fonctionne à pression constante sans réduction volontaire de celle-ci. Un fluide réfrigérant mixte en boucle ouverte permet un refroidissement du procédé et de fournir un reflux à la colonne de distillation servant à récupérer les liquides du gaz naturel. Les procédés peuvent être utilisés pour récupérer des hydrocarbures C3+ à partir du gaz naturel ou pour récupérer des hydrocarbures C2+ à partir du gaz naturel.
Lummus Technology Inc.
Smart & Biggar
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