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Title:
METHOD OF REGENERATING DENITRIFICATION CATALYST
Document Type and Number:
Japanese Patent JP2005185928
Kind Code:
A
Abstract:

To provide a method of regenerating a denitrification catalyst capable of regenerating the denitrifying and SO2-oxidizing performance reliably even when the catalyst is used in denitrification of the exhaust gas produced in burning of super-heavy oil.

The method comprises heat-treating a used denitrification catalyst, washing with an aqueous solution of oxalic acid and finishing through water washing to regenerate the catalyst.


Inventors:
OBAYASHI YOSHIAKI
KOYANAGI TOSHIO
IDEMOTO MASANORI
Application Number:
JP2003429392A
Publication Date:
July 14, 2005
Filing Date:
December 25, 2003
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD
International Classes:
B01J38/12; B01D53/86; B01J23/92; B01J38/48; B01J38/60; B01J38/62; B01J23/30; B01J35/04; B01J37/00; (IPC1-7): B01J38/12; B01J38/48; B01J38/60
Attorney, Agent or Firm:
Toshiro Mitsuishi
Tadahiro Mitsuishi
Yasuyuki Tanaka
Hiroshi Matsumoto