Catalyst – solid sorbent – or support therefor: product or process – Irradiation by – or application of – electrical – magnetic or...
Patent
1985-11-08
1988-03-22
Konopka, Paul E.
Catalyst, solid sorbent, or support therefor: product or process
Irradiation by, or application of, electrical, magnetic or...
4232155, 423439, 428388, 428389, 428432, 502171, 502202, 502242, 502247, 502304, 502353, 502527, B01J 3734, B01J 3506, B01J 2106, B01J 2102
Patent
active
047328797
ABSTRACT:
A method for applying porous, preferably catalytically active metal oxide coatings to relatively non-porous substrates in a fibrous form, and the catalyst materials thereby obtained. A solution is formed of one or more hydrolyzable precursors of metal oxides, in an anhydrous, organic solvent. The substrate to be coated, having active surface hydroxyl groups and preferably being glass or ceramic, is dipped into the solution and thereafter removed, drained and dried in an atmosphere containing water vapor so as to form a uniform, and at least partially hydrolyzed metal hydroxide/alkoxide coating on the substrate. The thus coated substrate is cured by heating in one or more stages at temperatures in the range of between about 250.degree. and 500.degree. C. to form an adherent, highly porous coating of the corresponding metal oxide. The coated fibrous element so obtained is idealy suited for use in catalytically active filter elements for the simultaneous removal of particulates and noxious gaseous components from flue gases.
REFERENCES:
patent: 3189563 (1965-01-01), Hauel
patent: 3323889 (1967-06-01), Carl et al.
patent: 3562185 (1971-02-01), Friedrichsen et al.
patent: 3873469 (1975-03-01), Foster et al.
patent: 3929671 (1975-12-01), Nakamura et al.
patent: 3949109 (1976-04-01), McBride
patent: 4038214 (1977-07-01), Gotoh et al.
patent: 4044102 (1977-08-01), Muraki et al.
patent: 4200609 (1980-04-01), Byrd
patent: 4220633 (1980-09-01), Pirsh
patent: 4271210 (1981-06-01), Yoldas
patent: 4303554 (1981-12-01), Sudo et al.
patent: 4309386 (1982-01-01), Pirsh
patent: 4376803 (1983-03-01), Katzman
patent: 4376804 (1983-03-01), Katzman
patent: 4397666 (1983-08-01), Mishima et al.
patent: 4400306 (1983-08-01), Dria et al.
patent: 4405505 (1983-09-01), Neri et al.
patent: 4642302 (1987-02-01), Wood et al.
Dislich et al., "Amorphous and Crystalline Dip Coatings Obtained from Organometallic Solutions: Procedures, Chemical Processes and Products", Thin Solid Films, vol. 77, No. 129 (1981).
Kiovski et al., "Evaluation of a New Zeolitic Catalyst for NO.sub.x Reduction with NH.sub.3 ", American Chemical Society, 1980.
Nicholas et al., "Oxidation of an Automobile Exhaust Gas Mixture by Fiber Catalysts", Ind. Eng. Chem., Prod. Res. Dev., vol. 15, No. 1, pp. 29-34 (1976).
Nicholas et al., "Carbon Monoxide Oxidation over a Platinum-Porous Fiber Glass Supported Catalyst", Ind. Eng. Chem. Prod. Res. Dev., vol. 15, No. 1, pp. 35-40 (1976).
Schleppy et al., "Reduction of Nitric Oxide on Fiber Glass", Ind. Eng. Chem., Prod. Res. Dev., vol. 15, No. 3, pp. 172-176 (1976).
Klein, "Sol-Gel Glass Technology--A Review", The Glass Industry, pp. 14-17, Jan. 1981.
Kalinowski Marie R.
Nishioka Gary M.
Bird Donald J.
Konopka Paul E.
Owens-Corning Fiberglas Corporation
Pacella Patrick P.
Rywalski Robert F.
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