Plant and process for treating a stream comprising hydrogen sulfide
AssigneesCentre National De La Recherche Scientifique, Universite De Lille
InventorsAxel Lofberg, Jesus Guerrero
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Abstract
The invention relates to an installation and a method for treating hydrogen sulphide. In particular, the invention relates to an installation and a method comprising at least one system for oxidizing hydrogen sulfide to sulfur (S) and water (H2O) with a solid reagent and at least one oxidizing system with an agent for oxidizing the solid reagent present in the reduced state, wherein the system of oxidizing the hydrogen sulfide to sulfur and the system for oxidizing the solid reagent, are so arranged that the hydrogen sulfide is not brought into contact with the agent oxidizing the solid reagent.
Claims26
A hydrogen sulfide treatment installation, wherein the installation comprises at least one system configured to oxidize hydrogen sulfide to sulfur (S) to water (H2O) by a solid reagent implementing the reaction H2S+sol-O→sol-R+H2O+S, wherein sol-O and sol-R respectively symbolize constituents of the solid reagent in oxidized and reduced forms, and at least one oxidizing system with an oxidizing agent of the solid reagent present in the reduced state, wherein the system oxidizing the hydrogen sulfide and the system oxidizing the solid reagent are so arranged that the hydrogen sulfide is not brought into contact with the agent oxidizing the solid reagent, wherein said installation comprises a supply duct for a flow comprising hydrogen sulfide to said hydrogen sulfide oxidizing system and a duct for discharge of a flow comprising sulfur.
A method for treating at least one flow comprising hydrogen sulfide, wherein the method comprises a step of oxidizing the hydrogen sulfide to sulfur and water in the presence of a solid reagent in the oxidized state, and reducing during the oxidizing of the hydrogen sulfide, by implementing the reaction H2S+sol-O→sol-R+H2O+S, wherein sol-O and sol R respectively symbolize constituents of the solid reagent in oxidized and reduced forms, and a step of oxidizing the solid reagent present in the reduced state by at least one oxidizing agent in order to obtain a solid reagent in the oxidized state, wherein the method comprises obtaining a flow comprising sulfur by oxidizing the hydrogen sulfide.
Dependencies are inferred from the claim text.