Process for a reduction in the amount of sulphur compounds,...

B - Operations – Transporting – 01 – D

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B01D 53/86 (2006.01) C01B 3/58 (2006.01)

Patent

CA 2704211

A process for a reduction in the amount of sulphur compounds, hydrogen cyanide, formic acid and formic acid derivatives in synthesis gas comprising these compounds, the process comprising contacting the synthesis gas with a sulphur absorbent comprising material and thereafter with a catalyst comprising one or more metals selected from the group consisting of silver, gold, copper, palladium, platinum and their mixtures and supported on a carrier comprising at least one of the oxides of scandium, yttrium, lanthanum, cerium, titanium, zirconium, aluminium, zinc, chromium and molybdenum.

La présente invention a pour objet un procédé de réduction de la quantité de composés de soufre, de cyanure d'hydrogène, d'acide formique et de dérivés d'acide formique dans un gaz synthétique comprenant ces composés, ledit procédé comprenant la mise en contact du gaz de synthèse avec un matériau comprenant un absorbant de soufre et ensuite avec un catalyseur comprenant un ou plusieurs métaux sélectionnés dans le groupe constitué par l'argent, l'or, le cuivre, le palladium, le platine et leurs mélanges, et portés sur un support comprenant au moins un oxyde de scandium et/ou d'yttrium, de lanthane, de cérium, de titane, de zirconium, d'aluminium, de zinc, de chrome et de molybdène.

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