Refractory body assembly

Details Refractory body assembly Refractory body assembly

1991-07-19

1994-01-25

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422171, 422177, 422181, 422222, B01D 5336

Patent

active

052813991

ABSTRACT:
A refractory body assembly includes a refractory container, a refractory body having multiple gas passageways and positioned within the container, and a barrier layer in the intermediate space. The barrier layer is a rigid foam which, in a basic form, may be composed essentially of a crystalline aluminum phosphate, and may be produced by heating a mixture of a source of phosphorous, an organic liquid buffer and a source of aluminum. The assembly may further include a positioning ring for positioning and maintaining the refractory body in a central position until the barrier layer becomes rigid.

REFERENCES:
patent: 3762935 (1973-10-01), Leach
patent: 3991254 (1976-11-01), Takeuchi
patent: 4285909 (1981-08-01), Mizusawa et al.
patent: 4413062 (1983-11-01), Huseby et al.
patent: 4511773 (1985-04-01), Heft et al.
patent: 4925634 (1990-05-01), Yokokoji et al.
The Condensed Chemical Dictionary, 8th Ed. Van Nostrand Reinhold Co., New York, p. 123.

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