A method for removing hydrogen sulfide from gas streams

Details A method for removing hydrogen sulfide from gas streams A method for removing hydrogen sulfide from gas streams

B - Operations, Transporting

01

D

B01D 53/52 (2006.01) C01B 17/05 (2006.01)

Patent

CA 2183065

The invention disposed relates to a process for removing hydrogen sulfide from a gas stream, such as sour natural gas, with the formation of elemental sulfur as a by-product. By controlling the reaction conditions, the conversion of hydrogen sulfide is maximized, and the sulfur dioxide selectivity is controlled. Specifically, the sulfuric acid concentration and the reaction temperature may be balanced, depending on the desired product mix.

Cette invention se rapporte à un procédé pour éliminer le sulfure d'hydrogène contenu dans un courant gazeux, par exemple de gaz naturel sulfureux, avec la formation de soufre élémentaire comme sous-produit. En contrôlant les conditions de réaction, on maximise la conversion du sulfure d'hydrogène, et la sélectivité du dioxyde de soufre est contrôlée. De façon spécifique, la concentration en acide sulfurique et la température de réaction peuvent être équilibrées, en fonction du mélange du produit désiré.

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