B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/52 (2006.01) B01D 53/14 (2006.01) F25J 1/02 (2006.01)
Patent
CA 2720508
A method and apparatus for separating acid gas from a natural gas stream suitable for use on an offshore facility located on a platform or floating vessel are disclosed. The method includes the steps of: contacting the natural gas stream with a semi-lean amine solution in a static mixer to produce a rich amine solution, separating a first portion of carbon dioxide from the rich amine solution to produce the semi-lean amine solution, and heating a portion of the semi-lean amine solution to separate a second portion of carbon dioxide and produce the lean amine solution. The rich amine solution and semi-lean amine solution can be heated using recovered waste heat.
Buckles John J.
Chan Kaman I.
Huang Stanley
Chevron U.s.a. Inc.
Sim & Mcburney
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