NO.sub.x adsorption and removal apparatus

Details NO.sub.x adsorption and removal apparatus NO.sub.x adsorption and removal apparatus

1994-08-17

1997-06-03

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422171, 422172, 422173, 422175, 422178, 96130, 96143, 96144, B01D 5334

Patent

active

056351429

ABSTRACT:
The invention discloses a NOx adsorption and removal apparatus employed in the method of passing NOx containing gas into the adsorber 1 filled with NOx adsorbent to adsorb a specific volume of NOx on the adsorbent, passing hot air into the adsorber to desorb NOx, and regenerating the adsorbent, wherein the adsorber is divided in plural zones arranged parallel in the gas flow direction. In this invention, by regenerating after adsorbing NOx in each zone, the regenerating apparatus can be reduced in size, and the energy may be saved by effective utilization of preheat.

REFERENCES:
patent: 3729902 (1973-05-01), Ventriglio et al.
patent: 5158582 (1992-10-01), Onitsuka et al.

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