PREPARATION OF CATALYST FOR PURIFICATION OF EXHAUST GAS

Title:

PREPARATION OF CATALYST FOR PURIFICATION OF EXHAUST GAS

Document Type and Number:

Japanese Patent JP3300029

Kind Code:

B2

Abstract:

PURPOSE: To attempt to improve carrying properties for carrying a metal as a main catalyst and a metal as a promotor for purification of NOx on a carrier.
CONSTITUTION: A mixed soln. of a metal-contg. silicate wherein a metal is made to be an element for constituting the skeleton of a crystal and a metal as a main catalyst is carried and a salt of a metal as a promotor is evaporated to dryness and the obtd. solid and a binder are dispersed in a liq. dispersing medium to prepare a slurry and a carrier is coated with the slurry.

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Inventors:

Satoshi Ichikawa
Yasuhito Watanabe
Hideharu Iwakuni
Juno Ueda
Tadashi Isobe

Application Number:

JP12909892A

Publication Date:

July 08, 2002

Filing Date:

May 21, 1992

Export Citation:

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Assignee:

Mazda Corporation Inc

International Classes:

B01D53/94; B01J29/46; B01J29/76; (IPC1-7): B01J29/46; B01D53/94

Domestic Patent References:

JP4171048A
JP4219149A

Attorney, Agent or Firm:

Hiroshi Maeda (2 outside)

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