Method for disposal of di-sulphide compounds

Details Method for disposal of di-sulphide compounds Method for disposal of di-sulphide compounds

B - Operations, Transporting

01

D

B01D 53/86 (2006.01) C01B 17/04 (2006.01) C01B 17/50 (2006.01)

Patent

CA 2642245

The invention provides a method for disposal of di- sulphide compounds having the general formula of R-S-S-R, wherein R is an alkyl group, the method comprising the steps of: (a) combusting said di-sulphide compounds in the presence of an oxygen-containing gas in a sulphur dioxide generation zone, whereby at least part of the di-sulphide compounds is converted to sulphur dioxide to obtain a gas stream comprising sulphur dioxide; (b) reacting the gas stream comprising sulphur dioxide with hydrogen sulphide to obtain elemental sulphur.

L'invention concerne un procédé d'élimination de composés disulfure de formule générale R-S-S-R, R représentant un groupement alkyle, le procédé comprenant les étapes suivantes : (a) la combustion desdits composés disulfure en présence d'un gaz contenant de l'oxygène dans une zone de génération de dioxyde de soufre, au moins une partie des composés disulfure étant convertie en dioxyde de soufre pour obtenir un courant gazeux comprenant du dioxyde de soufre ; (b) la réaction du courant gazeux comprenant du dioxyde de soufre avec le sulfure d'hydrogène pour obtenir du soufre élémentaire.

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