B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 53/46 (2006.01) B01J 8/00 (2006.01) C01B 33/00 (2006.01)
Patent
CA 2603597
A composition containing silica and vanadium, wherein at least a portion of the vanadium is present as a distorted octahedral and in a phase selected from the group consisting of amorphous, nano-crystalline, and combinations thereof, 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 heavy metal adsorption stage.
L'invention concerne une composition contenant de la silice et du vanadium, une partie au moins du vanadium étant présente sous forme d'octaèdre déformé et dans une phase choisie dans le groupe constitué par une phase amorphe, une phase nanocristalline et des combinaisons de celles-ci. L'invention concerne également un procédé de préparation de cette composition. Ladite composition est utilisée dans un procédé destiné à enlever un métal lourd d'un flux d'alimentation gazeux et pouvant éventuellement comprendre une étape d'adsorption de métal lourd séparée.
Cross Joseph B.
Dodwell Glenn W.
Johnson Marvin M.
Sughrue Edward L.
Yao Jianhua
Conocophillips Company
Osler Hoskin & Harcourt Llp
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