Flame arresting and contaminant-adsorbing filter apparatus and m

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier

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422168, B01D 5000

Patent

active

054318874

ABSTRACT:
In a catalytic assembly having an oxidation catalytic unit disposed above the broiling area of a fat-food broiler for enabling the catalytic oxidation of volatile broiling smoke organic contaminants, a low pressure drop open-pore metallic flame-arresting filter screen disposed between the broiling area and the catalytic unit and substantially completely overlying the broiling area and containing upon the screen an adherent coating comprising a high surface area inorganic oxide adsorbent and an inorganic binder therefor, the coating serving to adhere salt, phosphorous and other catalyst-poisoning compounds in the broiling emissions. Preferred methods of coating and broiler flame-arresting use are described.

REFERENCES:
patent: 3428435 (1969-02-01), Hurko et al.
patent: 3536457 (1970-10-01), Henderson
patent: 3646878 (1972-03-01), Keller
patent: 3962561 (1976-06-01), Maitenaz
patent: 4102819 (1978-07-01), Petrow et al.
patent: 4113439 (1978-09-01), Ookubo et al.
patent: 4516486 (1985-05-01), Burkhart
patent: 4900712 (1990-02-01), Bar-Ilan et al.

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