Process for the removal of hydrogen cyanide and formic acid...

B - Operations – Transporting – 01 – D

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B01D 53/86 (2006.01) C10K 1/34 (2006.01)

Patent

CA 2650844

A process for the catalytic removal of hydrogen cyanide, formic acid and formic acid derivatives from synthesis gas comprising these compounds, carbon monoxide and hydrogen, the process comprising contacting the synthesis gas 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 concerne un procédé d'élimination catalytique de cyanure d'hydrogène, d'acide formique et de dérivés de l'acide formique à partir de gaz de synthèse comportant ces composés, du monoxyde de carbone et de l'hydrogène, le procédé comprenant la mise en contact du gaz de synthèse avec un catalyseur comportant un/des métal/métaux choisis parmi le groupe constitué de l'argent, de l'or, de cuivre, de palladium, de platine et leurs mélanges et portés sur un support comprenant au moins un des oxydes de scandium, yttrium, lanthane, cérium, titane, zirconium, aluminium, zinc, chrome et molybdène.

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