B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/86 (2006.01) B01J 23/72 (2006.01) B01J 23/74 (2006.01) C01B 17/04 (2006.01) C01B 17/96 (2006.01)
Patent
CA 2220634
A method for directly oxidising sulphur compounds into elementary sulphur and/or sulphates at a temperature of less than 200 ·C is disclosed, which comprises using a supported catalyst with a catalytically active phase containing copper, the copper being present in an amount of at least 2 % by weight based on the catalyst component and at least 15 % by weight based on the total amount of components of the catalytically active phase. Such a catalyst provides for a high conversion of H¿2?S while minimising conversion into SO¿2?.
L'invention concerne un procédé d'oxydation directe des composés soufrés en soufre élémentaire et/ou en sulfates à température inférieure à 200 ~C, dans lequel on utilise un catalyseur supporté dont la phase catalytiquement active comprend du cuivre, l'élément cuivre étant présent dans une teneur d'au moins 2 % en poids par rapport au catalyseur et d'au moins 15 % en poids par rapport à la somme des éléments de la phase catalytiquement active. L'utilisation d'un catalyseur de ce type assure une conversion élevée de l'H2S tout en minimisant la conversion en SO2.
Legendre Olivier
Nedez Christophe
Institut Francais Du Petrole
Rhone-Poulenc Chimie
Robic
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