Title:
窒素酸化物を除去する方法
Document Type and Number:
Japanese Patent JP4313213
Kind Code:
B2
Abstract:
A process for reducing the content of NOx and N2O in gases, in particular in process gases and offgases, which comprises the measures: a) addition of at least one nitrogen-containing reducing agent to the NOx- and N2O-containing gas in at least the amount required for complete reduction of the NOx; b) addition of a hydrocarbon, of carbon monoxide, of hydrogen, or of a mixture of one or more of these gases to the NOx- and N2O-containing gas for the reduction of the N2O; and c) introduction of the gas mixture into at least one reaction zone at temperatures of up to 450° C., which contains one or more iron-laden zeolites. The process can be used, in particular, in nitric acid production, for offgases from power stations or for gas turbines.
Inventors:
Schweffer, Mainhard
Groves, Michael
Groves, Michael
Application Number:
JP2003581879A
Publication Date:
August 12, 2009
Filing Date:
March 21, 2003
Export Citation:
Assignee:
Uhde Gaem Behr
International Classes:
B01D53/94; B01D53/86; B01J29/76
Domestic Patent References:
| JP268120A | ||||
| JP7213864A | ||||
| JP5245384A | ||||
| JP9884A |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shinya Hosokawa
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Shinya Hosokawa