B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 23/14 (2006.01) B01J 23/80 (2006.01) C01B 3/16 (2006.01)
Patent
CA 2381147
A combination comprising a bed of a particulate copper-containing catalyst and, upstream of the catalyst bed, a guard bed of a particulate composition containing a) lead and/or at least one lead compound that reacts with hydrogen chloride and b) a support therefor. The lead compound is preferably lead nitrate. The combination is of particular utility for the low temperature shift reaction wherein carbon monoxide is reacted with steam to produce hydrogen and carbon dioxide.
L'invention concerne une combinaison comprenant un lit constitué d'un catalyseur particulaire contenant du cuivre et, en amont du lit catalytique, un lit de garde constitué d'une composition particulaire contenant a) du plomb et/ou au moins un composé à base de plomb réagissant avec le chlorure d'hydrogène et b) un support pour ce dernier. Le composé à base de plomb est de préférence du nitrate de plomb. Cette combinaison est particulièrement utile pour la réaction à faible variation thermique dans laquelle du monoxyde de carbone réagit avec de la vapeur pour donner de l'hydrogène et du dioxyde de carbone.
Gowan Intellectual Property
Imperial Chemical Industries Plc
Johnson Matthey Plc
LandOfFree
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