Title:
NITRIC ACID REDUCTION CATALYST COMPOSITION AND NITRIC ACID SOLUTION PROCESSING METHOD USING THE SAME
Document Type and Number:
Japanese Patent JP2006314888
Kind Code:
A
Abstract:
To provide a nitric acid reduction catalyst composition which is applicable even to a high-concentration nitric acid solution and is capable of efficiently reducing a nitrate ion, nitrite ion and the like, and to provide a processing method of a nitric acid solution using the same.
The nitric acid reduction catalyst composition contains platinum, copper and tin. The processing method of the nitric acid solution comprises the step of bringing the nitric acid solution into contact with hydrogen gas in the presence of the nitric acid reduction catalyst composition.
Inventors:
MATSUBARA MASAAKI
Application Number:
JP2005138681A
Publication Date:
November 24, 2006
Filing Date:
May 11, 2005
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
B01J23/89; C02F1/70
Domestic Patent References:
| JP2004528982A | 2004-09-24 | |||
| JP2004057954A | 2004-02-26 | |||
| JPH04371231A | 1992-12-24 |
Attorney, Agent or Firm:
Kyuichi Ueki
Tadashi Sugakawa
Osamu Futakuchi
Hiroaki Ito
Tadashi Sugakawa
Osamu Futakuchi
Hiroaki Ito