C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 3/52 (2006.01) B01D 53/14 (2006.01) C01B 3/56 (2006.01)
Patent
CA 2663619
The invention provides a process for removal of hydrogen sulphide, iron pentacarbonyl and nickel tetracarbonyl from a feed synthesis gas stream, the process comprising the steps of: (a) removal of hydrogen sulphide and of iron pentacarbonyl by contacting the feed synthesis gas stream with an absorbing liquid comprising water, physical solvent and an amine, to obtain a synthesis gas stream depleted of hydrogen sulphide and depleted of iron pentacarbonyl; (b) adsorption of nickel tetracarbonyl by contacting the synthesis gas stream depleted of hydrogen sulphide and depleted of iron pentacarbonyl with solid adsorbent comprising activated carbon to obtain solid adsorbent enriched in nickel tetracarbonyl and a purified synthesis gas stream.
L'invention concerne un procédé d'élimination de sulphure d'hydrogène, de pentacarbonyle de fer et de tétracarbonyle de cuivre d'un flux gazeux de synthèse d'alimentation. Le procédé consiste (a) à éliminer le sulphure d'hydrogène et le pentacarbonyle de fer en mettant en contact le flux gazeux de synthèse d'alimentation avec un liquide absorbant comprenant de l'eau, un solvant physique et une amine, pour obtenir un flux de gaz de synthèse appauvri en sulphure d'hydrogène et en pentacarbonyle de fer; (b) à absorber le tétracarbonyle de cuivre en mettant en contact le flux gazeux de synthèse appauvri en sulphure d'hydrogène et appauvri en pentacarbonyle de fer avec un adsorbant solide comprenant du charbon actif pour obtenir un adsorbant solide enrichi en tétracarbonyle de cuivre et un flux gazeux de synthèse purifié.
Gouman Rudolf Robert
Kodde Adriaan Johannes
Smit Cornelis Jacobus
Shell Canada Limited
Smart & Biggar
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