Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Waste gas purifier
Patent
1992-05-21
1993-10-05
Housel, James C.
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Waste gas purifier
422180, 422221, B01D 5000, B01D 5334
Patent
active
052502694
ABSTRACT:
A catalytic converter has a metallic monolith that is mounted in a canister by a heat-insulating mat of melt-formed refractory ceramic fibers that have been annealed to provide a Resiliency Value of at least 10 kPa. A mat having such Resiliency Value does not take a compression set that would allow the monolith to become loose. The ceramic fibers preferably are melt-formed from a mixture of about equal parts by weight of Al.sub.2 O.sub.3 and SiO.sub.2. After being annealed, the ceramic fibers can have a fine-grained crystalline structure, but significant energy savings can be realized by reducing the annealing temperatures and times such that the fibers have an amorphous structure while still attaining excellent Resiliency Values.
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Griswold Gary L.
Housel James C.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Thornton Krisanne M.
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