Gas-purifying composition and method of producing it

Details Gas-purifying composition and method of producing it Gas-purifying composition and method of producing it

1977-02-24

1978-09-26

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252475, 252441, B01J 2302, B01J 2304, B01J 2702, B01J 2708

Patent

active

041168810

ABSTRACT:
In removing nitrogen oxide from a gas containing it, the gas is passed through a region where at least one of calcium sulfate and calcium hydroxide coexists with powerful oxidation agents such as sodium chlorite, potassium permanganate, etc. thereby removing the nitrogen oxide, mainly nitrogen monoxide, from the gas. This method is very effective in purifying exhaust gases resulting from burning operations, since 80 to 90% or more of the nitrogen oxide contained in the exhaust gases is nitrogen monoxide. In addition, this method is also effective in purifying indoor air.

REFERENCES:
patent: 1115164 (1914-10-01), Bosch et al.
patent: 2496290 (1950-02-01), Hampel
patent: 3348914 (1967-10-01), Quanquin et al.
patent: 3382033 (1968-05-01), Kitagawa

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