Apparatus and catalytic partial oxidation process for...

C - Chemistry – Metallurgy – 01 – B

Patent

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C01B 17/04 (2006.01)

Patent

CA 2597301

The disclosed sulfur recovery system and process avoid some of the operational problems of conventional Claus plants and processes by replacing the reaction burner and furnace tube of a conventional Claus plant with a more efficient short contact time catalytic reactor assembly containing a SPOC~ catalyst that operates efficiently at elevated temperatures. Such Claus plant modification also reduces or avoids the negative effects of hydrocarbons, CO2 and ammonia in Claus sulfur plant feeds, and permits efficient processing of dilute to concentrated H2S feeds. The disclosed modification makes possible the expansion of Claus plant capacity at lower cost.

L'invention concerne un système et un procédé de récupération de soufre permettant d'éviter certains problèmes opérationnels liés aux installations et procédés Claus classiques, par le remplacement du brûleur de réaction et du tube-foyer d'une installation Claus classique par un ensemble réacteur catalytique à temps de contact court plus efficace, contenant un catalyseur SPOC? efficace à des températures élevées. Cette modification d'installation Claus permet également de réduire ou d'éviter les effets négatifs des hydrocarbures, du CO2 et de l'ammoniac dans les charges d'installations de soufre Claus, et permet un traitement efficace de charges de H2S diluées à concentrées. La modification selon l'invention permet d'étendre les capacités des installations Claus à un coût plus faible.

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