Treatment method and treatment apparatus for gas containing...

Details Treatment method and treatment apparatus for gas containing... Treatment method and treatment apparatus for gas containing...

2005-11-15

2009-10-27

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

C422S105000, C422S168000, C422S173000, C422S177000

Reexamination Certificate

active

07608232

ABSTRACT:
Nitrous oxide-containing gas is subjected to heat exchange with decomposed gas from a nitrous oxide decomposition catalyst-filled reactor and then contacted with a heater comprising integrally formed heating unit and baffles, wherein gaps are formed between the baffle-integrated heater and the unit body in order to alleviate the pressure difference in the gas flow channel, and subsequently introduced into a nitrous oxide catalyst-filled catalyst layer for decomposition of the nitrous oxide into nitrogen and oxygen. The nitrous oxide-containing gas is neutralized by continuous treatment.

REFERENCES:
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patent: 4877743 (1989-10-01), Waugh et al.
patent: 2003/0185735 (2003-10-01), Hotta et al.
patent: 2004/0109804 (2004-06-01), Van den Brink et al.
patent: 2005/0281724 (2005-12-01), Hotta et al.
patent: 820 894 (1951-11-01), None
patent: WO 02/26355 (2002-04-01), None
patent: WO 03/080230 (2003-10-01), None

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