Element for filtering and/or purifying hot gases, and a process

Details Element for filtering and/or purifying hot gases, and a process Element for filtering and/or purifying hot gases, and a process

1990-08-30

1992-11-24

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422179, 420 34, 420 40, 420 62, 420 79, 148325, 428606, 502439, 502527, B01J 2300, C22C 3800, C22C 3818

Patent

active

051658992

ABSTRACT:
An element is disclosed for filtering and/or purifying hot gases, comprising a fibrous structure with a predetermined degree of porosity and formed of metal alloy fibrils of the MCrAlX type, in which M is a matrix chosen from iron and/or nickel and/or cobalt, and X is an element reinforcing the adhesion of the oxide layer which is formed on the fibrils in contact with the hot gases, chosen from zirconium, yttrium, cerium, lanthanum and misch metal.

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patent: 4900517 (1990-02-01), Domesle
patent: 4904540 (1990-02-01), Ishii et al.

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