Copper containing absorbents for absorbing sulphur compounds

Details Copper containing absorbents for absorbing sulphur compounds Copper containing absorbents for absorbing sulphur compounds

B - Operations, Transporting

01

J

B01J 20/06 (2006.01) B01D 15/00 (2006.01) B01D 53/34 (2006.01) B01D 53/52 (2006.01) B01J 20/02 (2006.01)

Patent

CA 2183734

Absorbents, suitable for absorbing sulphur compounds such as hydrogen sulphide from gases and liquids, in the form of shaped units having an average size within the range 1-10 mm and containing at least 75 % by weight of an absorbent material comprising copper carbonate, basic copper carbonate, and/or copper hydroxide. The units preferably have a bulk density of at least 0.9 kg/l, especially at least 1.2 kg/l. The units are preferably agglomerates containing a small amount of a binder such as a cement and may also contain a proportion of alumina to catalyse hydrolysis of carbon-containing sulphur compounds such as carbonyl sulphide or carbon disulphide.

L'invention se rapporte à des absorbants appropriés pour absorber des composés de soufre, tels que le sulfure d'hydrogène émanant de gaz et de liquides, ces composés se présentant sous la forme d'unités agglomérées ayant une grosseur moyenne comprise entre 1 et 10 mm et contenant au moins 75 % en poids d'un matériau absorbant comprenant du carbonate de cuivre, du carbonate de cuivre basique et/ou de l'hydroxyde de cuivre. Ces unités ont de préférence une masse volumique en vrac d'au moins 0,9 kg/l, notamment au moins 1,2 kg/l. Ces unités sont de préférence des agglomérats contenant une petite quantité d'un liant, tel qu'un cément, et peuvent aussi contenir une proportion d'oxyde d'aluminium afin de catalyser l'hydrolyse des composés de soufre contenant du carbone, tels que le sulfure de carbonyle ou de disulfure de carbone.

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