Method for compressing gases containing hydrogen sulfide

C - Chemistry – Metallurgy – 01 – B

Patent

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Details

C01B 17/16 (2006.01) C07C 319/02 (2006.01)

Patent

CA 2747338

The invention relates to a method for compressing a gas stream containing hydrogen sulfide, comprising (i) compressing the gas stream containing the hydrogen sulfide in a compressor, (ii) flushing the compressor with a mixture containing dialkyl polysulfides, dialkyl disulfides and at least one amine; to a method for producing sulfur compounds selected from the group consisting of alkyl mercaptans, dialkyl disulfides and alkane sulfonic acids, comprising reacting gas streams containing hydrogen sulfide, wherein the gas streams containing hydrogen sulfide are compressed according to the method comprising the steps i) and ii); and to the use of a mixture containing dialkyl polysulfides, dialkyl disulfides and at least one amine for removing sulfur deposits occurring during the compression of a gas stream containing hydrogen sulfide.

L'invention concerne un procédé de compression d'un flux de gaz contenant du sulfure d'hydrogène, comprenant les étapes qui consistent à (i) comprimer le flux de gaz contenant du sulfure d'hydrogène dans un compresseur, (ii) rincer le compresseur avec un mélange contenant des polysulfures de dialkyle, des disulfures de dialkyle et au moins une amine. L'invention concerne un procédé de production de composés sulfuriques sélectionnés dans le groupe constitué des alkylmercaptans, des disulfures de dialkyle et des acides alcane sulfoniques, comprenant la transformation de flux de gaz contenant du sulfure d'hydrogène, les flux de gaz contenant du sulfure d'hydrogène étant comprimés selon le procédé comprenant les étapes (i) et (ii). L'invention concerne également l'utilisation d'un mélange contenant des polysulfures de dialkyle, des disulfures de dialkyle et au moins une amine pour l'élimination des dépôts de soufre produits par la compression des flux de gaz contenant du sulfure d'hydrogène.

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