Method for removing nitrogen oxide

Details Method for removing nitrogen oxide Method for removing nitrogen oxide

1997-03-11

1999-11-09

Dunn, Thomas

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Nitrogen or nitrogenous component

423235, B01D 5356

Patent

active

059808470

ABSTRACT:
The invention relates to a method and apparatus for removing nitrogen oxide from gas (exhaust gas) discharged, for example, in the steps of plating, washing with acids, dissolution, etc. The removing method comprises making a liquid capable of absorbing and removing nitrogen oxide adhered onto the surfaces of glass fibers followed by making a gas containing nitrogen oxide brought into contact with said glass fibers while making said nitrogen oxide absorbed by the liquid adhered onto the surfaces of said glass fibers to thereby remove said nitrogen oxide from said gas. According to this method, since a gas containing nitrogen oxide is brought into contact with a liquid capable of absorbing and removing nitrogen oxide from the gas, that has adhered on the surfaces of glass fibers, the nitrogen oxide is efficiently absorbed by said liquid and is therefore efficiently removed from said gas.

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Translation of JP 6-114237, Apr. 26, 1994.

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