Catalyst – solid sorbent – or support therefor: product or process – Miscellaneous
Patent
1988-01-15
1989-07-04
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Miscellaneous
502527, B01J 3200
Patent
active
048450731
ABSTRACT:
A metal catalyst carrier body includes first and second differently corrugated sheet-metal layers being alternatingly wound defining conduits therebetween through which gas flows. The first sheet-metal layer has a simple first corrugation with a periodicity .lambda..sub.1 and an amplitude A.sub.1 primarily determining the size of the conduits. The second sheet-metal layer has a second corrugation with a periodicity .lambda..sub.2 and an amplitude A.sub.2. .lambda..sub.2 =(n..lambda..sub.1)/m, where n=1, 2 or 3; m=1, 2, 3, 4, 5 or 6; and m is .gtoreq.n, forming a multiplicity of periodically recurring oculating contact points having the same direction of curvature. Considering the shape and periodicity of the corrugations, the amplitude A.sub.2 is smaller than the amplitude A.sub.1 by at least an amount sufficient to cause the curvature of the first sheet-metal layer at the contact points to be at least substantially as large as the curvature of the second sheet-metal layer at the contact points.
REFERENCES:
patent: 3966646 (1976-06-01), Noakes et al.
patent: 4098722 (1978-07-01), Cairns et al.
Emitec Gesellschaft fur Emissionstechnologie mbH
Greenberg Laurence A.
Lerner Herbert L.
Shine W. J.
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