Process and reagent for removal of oxygen from hydrocarbon...

B - Operations – Transporting – 01 – D

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B01D 53/46 (2006.01) B01D 15/08 (2006.01) B01D 53/02 (2006.01) C10G 25/00 (2006.01)

Patent

CA 2699957

A method of using a sulfided iron reagent to remove oxygen from gaseous and liquid fluid streams such as natural gas, light hydrocarbon streams, crude oil, acid gas mixtures, carbon dioxide gas and liquid streams, anaerobic gas, landfill gas, geothermal gases and liquids, and the like is disclosed. In a preferred embodiment, the reagent is made by mixing, agglomerating and shaping finely powdered ferrous carbonate, preferably siderite which are used to remove oxygen from a hydrocarbon or carbon dioxide stream that also contains sulfur compounds such as hydrogen sulfide.

L'invention porte sur un procédé d'utilisation d'un réactif de fer sulfuré pour éliminer l'oxygène dans des courants de fluides gazeux ou liquides, tels que du gaz naturel, des courants d'hydrocarbures légers, du pétrole brut, des mélanges de gaz acides, du dioxyde de carbone gazeux et des courants liquides, du gaz anaérobie, du gaz de décharge, des gaz et des liquides géothermiques et autres. Dans un mode de réalisation préféré, le réactif est obtenu par le mélange, l'agglomération et le façonnage de carbonate ferreux en poudre fine, de préférence de la sidérite, qui est utilisé pour éliminer l'oxygène dans un courant d'hydrocarbures ou de dioxyde de carbone qui contient également des composés de soufre tels que du sulfure d'hydrogène.

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