Process for the removal of heavy metals from gases, and...

Details Process for the removal of heavy metals from gases, and... Process for the removal of heavy metals from gases, and...

B - Operations, Transporting

01

J

B01J 8/00 (2006.01) B01J 23/16 (2006.01) C01G 31/00 (2006.01)

Patent

CA 2548194

A composition, containing vanadium and a support, wherein at least a portion of the vanadium has crystallite sizes of less than about 100 .ANG. as determined by an analytical method such as X-Ray Diffraction, is disclosed. A method of preparing such composition is also disclosed. The composition is employed in a process to remove a heavy metal from a gaseous feed stream which can optionally include a separate mercury adsorption stage.

L'invention porte sur une composition, contenant du vanadium et un support, dont au moins une partie du vanadium cristallise en formant des cristaux d'une taille inférieure à environ 100 .ANG. déterminée par une méthode d'analyse telle que la diffraction aux rayons X. Ladite composition s'utilise dans un processus d'extraction de métaux lourds d'un courant gazeux pouvant facultativement comporter une étape séparée d'absorption du mercure.

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