Catalyst or sorbent beds

Details Catalyst or sorbent beds Catalyst or sorbent beds

2008-01-29

2008-01-29

Bhat, N. (Department: 1797)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Halogenous component

C422S216000, C422S218000, C422S221000, C422S211000, C423S242100, C423S244020

Reexamination Certificate

active

07323152

ABSTRACT:
A fixed bed containing a particulate catalyst or sorbent material (10) subject to operation at high temperature having a shaped boundary member (16) inclined to the direction of fluid flow through the bed that maintains the depth of said catalyst or sorbent at the boundary of the bed through a series of thermal expansion-thermal contraction cycles is described. By maintaining bed depth, the shaped boundary member (16) can prevent bypass of, e.g. ammonia through a bed of particulate ammonia oxidation catalyst.

REFERENCES:
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International Search Report dated Oct. 21, 2002, from International Application No. PCT/GB02/03075.
British Search Report dated Feb. 8, 2002, from British Application No. GB 0118322.7.

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