B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/52 (2006.01)
Patent
CA 2569318
Process for the removal/reduction of the hydrogen sulfide contained in natural gas which comprises: a) feeding natural gas and water to a reaction vessel maintained under thermodynamic conditions favourable for the formation of H2S hydrates and substantially at the production pressure of natural gas; b) discharging the H2S hydrates,-from the bottom f the reaction vessel; c) optionally melting the hydrates and re-injecting water and/or gas comprising hydrogen sulfide and/or the hydrates as such into the same production field or into a geologically equivalent structure; and d) optionally feeding the remaining natural gas to a con~ventional softening process.
L'invention concerne un procédé pour réduire/supprimer la concentration de sulfure d'hydrogène contenue dans le gaz naturel, ce procédé comprenant les opérations suivantes: a) mettre du gaz naturel et de l'eau dans un réacteur maintenu dans des conditions thermodynamiques favorisant la formation d'hydrates H2S et sensiblement sous la pression de production du gaz naturel; b) enlever les hydrates H2S du fond du réacteur; c) faire éventuellement fondre les hydrates et réinjecter l'eau et/ou le gaz contenant le sulfure d'hydrogène et/ou les hydrates en tant que tels en un même champ de production ou en une structure géologiquement équivalente; d) mettre éventuellement le gaz naturel restant dans un processus d'adoucissement classique.
Borghi Gian Paolo
Ciccarelli Liberato Giampaolo
Eni S.p.a.
Robic
LandOfFree
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