Method for partially oxidising a gas stream comprising...

B - Operations – Transporting – 01 – D

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B01D 53/34 (2006.01) B01D 53/52 (2006.01) B01D 53/58 (2006.01)

Patent

CA 2422995

The invention concerns a method for partially oxidising in a Claus furnace a gas stream comprising hydrogen sulphide and ammonia with an oxygen-enriched gas stream which consists in: measuring the residual ammonia content at the Claus furnace output; comparing said value to the desired residual ammonia content; and optionally modifying the ratio of the oxygen-enriched gas stream flow rate over the gas flow rate comprising hydrogen sulphide and ammonia so as to obtain the desired residual ammonia content.

L'invention concerne un procédé d'oxydation partielle dans un four Claus d'un flux de gaz comprenant du sulfure d'hydrogène et de l'ammoniac à l'aide d'un flux de gaz riche en oxygène dans lequel : on mesure la teneur résiduelle en ammoniac à la sortie du four Claus ; on compare cette valeur à la teneur résiduelle en ammoniac désirée ; et éventuellement on modifie le rappport du débit du gaz riche en oxygène sur le débit du gaz comprenant du sulfure d'hydrogène et de l'ammoniac de manière à obtenir la teneur résiduelle en ammoniac désirée.

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