C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 3/10 (2006.01) B01D 53/26 (2006.01) C07C 7/00 (2006.01) C07C 7/11 (2006.01) C07C 7/12 (2006.01)
Patent
CA 2614275
The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More specifically, the integrated process of the present invention comprises a three step process involving the adsorption of heavy hydrocarbons and water on an adsorbent bed selective for the same, a subsequent aqueous lean amine treatment for the absorptive removal of acid gases, such as carbon dioxide and hydrogen sulfide, and an adsorptive removal of water. The process of the present invention results in a highly purified natural gas product stream.
L'invention concerne un procédé intégré amélioré pour l'élimination d'hydrocarbures lourds, de dioxyde de carbone, de sulfure d'hydrogène et d'eau présents dans un débit diluat de gaz naturel brut. D'une manière plus spécifique, le procédé intégré selon l'invention comprend un procédé en trois étapes comprenant l'adsorption d'hydrocarbures lourds et d'eau sur un lit adsorbant sélectif pour les hydrocarbures lourds, un traitement aqueux aux amines d'absorption pour l'élimination par absorption des gaz acides, tels que le dioxyde de carbone et sulfure d'hydrogène, et l'élimination par adsorption de l'eau. Le procédé selon l'invention permet d'obtenir un débit d'entrée de gaz naturel hautement purifié.
Basf Catalysts Llc
Sim & Mcburney
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