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Patent Searching and Data


Title:
DENITRATION CATALYST
Document Type and Number:
Japanese Patent JPH07185343
Kind Code:
A
Abstract:

PURPOSE: To provide a effective and inexpensive denitration catalyst in a method for removing or reducing nitrogen oxide from a waste gas containing nitrogen oxide.

CONSTITUTION: The catalyst composed of a manganese ore heat treated at ≥400°C to ≥600°C in an inert gas such as nitrogen, argon or helium, in an oxidizing gas having week oxidizing force such as carbon dioxide, or steam or in a waste combustion gas is obtained. Since the manganese ore is used, inexpensive denitration catalyst is provided. And when the waste combustion gas is used, inexpensive heat treatment is executed.


Inventors:
KITAGUCHI HISATSUGU
IRITA TOSHIYUKI
NISHIMURA YASUHIKO
SENSUI YASUYUKI
Application Number:
JP2756494A
Publication Date:
July 25, 1995
Filing Date:
February 01, 1994
Export Citation:
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Assignee:
NIPPON STEEL CORP
International Classes:
B01D53/86; B01D53/94; B01J23/34; B01J23/84; B01J23/889; B01J37/08; (IPC1-7): B01J23/34; B01D53/86; B01D53/94; B01J23/84; B01J23/889; B01J37/08
Attorney, Agent or Firm:
Masamitsu Akizawa (1 person outside)