DECOMPOSITION CATALYST FOR NITROGEN OXIDE AND DECOMPOSITION METHOD AND PURIFYING DEVICE USING THE SAME

Title:

DECOMPOSITION CATALYST FOR NITROGEN OXIDE AND DECOMPOSITION METHOD AND PURIFYING DEVICE USING THE SAME

Document Type and Number:

Japanese Patent JPH0639282

Kind Code:

A

Abstract:

PURPOSE: To obtain the catalyst and method for decomposition which converts nitrogen oxide exhausted from the combustor using solid-, liquid-, gas fuel and the engine of various kinds of automobiles, etc., to harmless nitrogen.

CONSTITUTION: The catalyst consists of the calcium oxide or the magnesium oxide obtained by calcining carbonate or hydroxide of calcium or magnesium in inert gas atmosphere, the catalyst decomposes nitrogen oxide in contact with nitrogen oxide contained gas at the temp. range above 500°C.

Inventors:

YOSHII YASUO
MIYAMOTO TOMOHIKO
INADA TORU
OKI KATSUYA

Application Number:

JP21876392A

Publication Date:

February 15, 1994

Filing Date:

July 27, 1992

Export Citation:

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Assignee:

HITACHI LTD
BABCOCK HITACHI KK

International Classes:

B01D53/94; B01J21/10; B01J23/02; (IPC1-7): B01J23/02; B01D53/36; B01J21/10

Attorney, Agent or Firm:

Hiroshi Nakamoto

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