C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 17/04 (2006.01) B01D 53/52 (2006.01) B01D 53/86 (2006.01) B01J 27/043 (2006.01) B01J 27/047 (2006.01) B01J 27/224 (2006.01)
Patent
CA 2310120
The invention concerns a method whereby the gas to be treated is oxidised in sulphur by being contacted with an oxidation catalyst containing at least an oxysulphide of a metal selected among Fe, Cu, Ni, Co, Cr, Mo and W, associated with a silicon carbide support, by operating at temperatures, which are higher than the dew point of the sulphur formed in the treated gas and more specifically ranging between 180 DEG C and 500 DEG C. The invention is useful for eliminating H2S contained in gases of various origins with recovery of said H2S essentially in the form of sulphur.
L'H2S du gaz à traiter est oxydé en soufre au contact d'un catalyseur d'oxydation renfermement au moins un oxysulfure d'un métal choisi parmi Fe, Cu, Ni, Co, Cr, Mo et W, associé à un support en carbure de silicium, en opérant à des températures, qui sont supérieures au point de rosée du soufre formé dans le gaz traité et plus spécialement comprises entre 180°C et 500°C. Application à l'élimination de l'H2S contenu dans des gaz d'origines diverses avec récupération de cet H2S essentiellement sous la forme que soufre.
Crouzet Claude
Keller Nicolas
Ledoux Marc
Nougayrede Jean
Pham-Huu Cuong
Elf Exploration Production
Robic
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