C - Chemistry – Metallurgy – 10 – L
Patent
C - Chemistry, Metallurgy
10
L
C10L 3/10 (2006.01) B01D 3/06 (2006.01) B01D 19/00 (2006.01) B01D 53/14 (2006.01) C01B 17/04 (2006.01) C01B 31/20 (2006.01)
Patent
CA 2177449
A treatment method for removing acid gases by contacting a sour gas stream with a solvent (e.g., an organic amine) which absorbs H2S in preference to CO2 and hydrocarbons. The rich solvent is then regenerated by selectively separating the absorbed hydrocarbons in a first flash tank, a large portion of the CO2 in a high-temperature, low-pressure second flash tank, and substantially all of the remaining acid gases in a high-temperature, low- pressure stripper. The regenerated solvent is recycled and the recovered acid gases; are processed to recover sulphur from the H2S. The CO2 recovered from the second tank is contacted with a second solvent to provide high-quality CO2.
Marjanovich Barry Steve
Stang Don August
Exxonmobil Oil Corporation
Gowling Lafleur Henderson Llp
Marjanovich Barry Steve
Stang Don August
LandOfFree
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