B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
B01J 20/04 (2006.01) B01D 53/44 (2006.01) B01D 53/83 (2006.01) B01D 53/86 (2006.01) B01J 20/06 (2006.01) B01J 20/30 (2006.01) B01J 23/70 (2006.01) B01J 23/78 (2006.01) B01J 37/02 (2006.01) A62D 3/00 (2006.01)
Patent
CA 2187349
Finely divided composite materials are provided comprising a first metal oxide (e.g., MgO) at least partially coated with an extremely thin layer of a second metal oxide such as Fe2O3. The composites have a high surface area and are very effective for the destructive adsorption of undesirable fluids in gaseous or liquid form, such as chlorocarbons and clorofluorocarbons. In use, a fluid stream including undesirable fluids are contacted with the composites of the invention, such as through the use of a filter containing the composite as a part of the filter media thereof.
Matériaux composites finement divisés consistant en un premier oxyde métallique (p. ex. du MgO) au moins partiellement enrobé d'une couche ultra-mince d'un second oxyde métallique (p. ex. du Fe¿2?O¿3?), présentant une importante surface et s'avérant très efficaces pour l'adsorption destructive de fluides gazeux ou liquides indésirables tels que les chlorocarbures ou les chlorofluorocarbures. En pratique, on met en contact lesdits composites avec le fluide contenant les substances indésirables dans des filtres dont ils constituent une partie des éléments filtrants.
Khaleel Abbas
Klabunde Kenneth J.
Gowling Lafleur Henderson Llp
Kansas State University Research Foundation
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