Title:
REGENERATING METHOD FOR NITROGEN OXIDES PURIFICATION CATALYST
Document Type and Number:
Japanese Patent JPS53110988
Kind Code:
A
Abstract:
PURPOSE: To remove S accumulated in a NOx catalytic reduction catalyst using NH3 and thus recover the activity by heat treating the catalyst whose activity has been reduced in a H2 atmosphere at a temp. within a specified range.
Inventors:
INOUE AKIRA
SAITOU KOUICHI
AOKI YUKIO
ONO TETSUTSUGU
SAITOU KOUICHI
AOKI YUKIO
ONO TETSUTSUGU
Application Number:
JP2601577A
Publication Date:
September 28, 1978
Filing Date:
March 11, 1977
Export Citation:
Assignee:
NIPPON CATALYTIC CHEM IND
International Classes:
B01D53/94; B01D53/34; B01D53/86; B01J23/22; B01J23/72; B01J23/92; B01J23/94; B01J23/96; B01J38/10; C01B21/02; (IPC1-7): B01D53/34; B01J23/92; B01J23/94; C01B21/02