Processing method of gas and processing apparatus of gas
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United States of America Patent
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Issued Date -
Jan 26, 2006
app pub date -
Jul 6, 2005
filing date -
Jul 7, 2004
priority date (Note) -
Abandoned
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Abstract
A processing method of gas containing water and nitrogen oxides, which comprises the steps of bringing the gas into contact with a water adsorbent to remove water contained in the gas, and then, bringing the gas into contact with a palladium catalyst to remove nitrogen oxides contained in the gas. A processing apparatus of gas containing water and nitrogen oxides, which comprises an inlet for the gas containing water and nitrogen oxides, a filling part for a water adsorbent, a filling part for a palladium catalyst and an outlet for the processed gas, wherein the filling part for a water adsorbent is deployed adjacent to the inlet, and the filling part for a palladium catalyst is deployed adjacent to the outlet. A processing method and a processing apparatus for easily removing nitrogen oxides contained in gas such as air with superior processing capability and removing efficiency without employing processing unit having the structure of large-scale or complicated, without unintentionally desorbing the nitrogen oxides once adsorbed is obtained.
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