Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Patent
1995-02-06
1998-01-27
Lewis, Michael
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
502325, 502331, 502332, 502336, 502338, 502340, 502341, 502345, 502346, C01B 3312
Patent
active
057122199
ABSTRACT:
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 Fe.sub.2 O.sub.3. 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 chlorofluorocarbons. 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.
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Stenger, Jr. et al.; Chlorine Capture By Catalyst-Sorbents For The Oxidation Of Air Pollutants; Appl. Catal, B. 1993, 2, 117-130; Chem. Abtstracts, 1993, vol. 118:239839x (No Month).
Berty et al.; New Frontiers In Catalysis, Pt. B), 1571-4; Stud. Surf. Sci. Catal., 1993, 75; Chem. Abstracts, 1993, vol. 119:187519s (No Month).
Koper et al.; Destructive Adsorption of Chlorinated Hydrocarbons On Ultrafine (Nanoscale) Particles Of Calcium Oxide; Chem. Mater., vol. 5, No. 4, 1993 (No Month).
Utamapanya et al.; Nanoscale Metal Oxide Particles/Clusters As Chemical Reagents, Synthesis And Properties Of Ultrahigh Surface Area Magnesium Hydroxide And Magnesium Oxide; Chem. Mater., vol. 3, No. 1, 1991 (No Month).
Khaleel Abbas
Klabunde Kenneth J.
Hendrickson Stuart L.
Kansas State University Research Foundation
Lewis Michael
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