JPS53146293A - Regenerating method for nitrogen oxides purification catalyst - Google Patents

Regenerating method for nitrogen oxides purification catalyst

Info

Publication number
JPS53146293A
JPS53146293A JP6044677A JP6044677A JPS53146293A JP S53146293 A JPS53146293 A JP S53146293A JP 6044677 A JP6044677 A JP 6044677A JP 6044677 A JP6044677 A JP 6044677A JP S53146293 A JPS53146293 A JP S53146293A
Authority
JP
Japan
Prior art keywords
purification catalyst
nitrogen oxides
regenerating method
catalyst
oxides purification
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP6044677A
Other languages
Japanese (ja)
Other versions
JPS6012907B2 (en
Inventor
Hiroshi Yoshida
Tsutomu Katayama
Tetsutsugu Ono
Akira Inoue
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Shokubai Co Ltd
Nippon Steel Corp
Original Assignee
Nippon Shokubai Co Ltd
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Shokubai Co Ltd, Nippon Steel Corp filed Critical Nippon Shokubai Co Ltd
Priority to JP52060446A priority Critical patent/JPS6012907B2/en
Publication of JPS53146293A publication Critical patent/JPS53146293A/en
Publication of JPS6012907B2 publication Critical patent/JPS6012907B2/en
Expired legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Abstract

PURPOSE: To recover the purification performance of a deactivated NOx reduction purification catalyst contg. S cpds. and alkali metal cpds. to a level equal to or higher than that of new catalyst by heat treating the deactivated catalyst in a H2 atmosphere, followed by washing with an aq. medium.
COPYRIGHT: (C)1978,JPO&Japio
JP52060446A 1977-05-26 1977-05-26 Method for regenerating nitrogen oxide purification catalyst Expired JPS6012907B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52060446A JPS6012907B2 (en) 1977-05-26 1977-05-26 Method for regenerating nitrogen oxide purification catalyst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52060446A JPS6012907B2 (en) 1977-05-26 1977-05-26 Method for regenerating nitrogen oxide purification catalyst

Publications (2)

Publication Number Publication Date
JPS53146293A true JPS53146293A (en) 1978-12-20
JPS6012907B2 JPS6012907B2 (en) 1985-04-04

Family

ID=13142501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52060446A Expired JPS6012907B2 (en) 1977-05-26 1977-05-26 Method for regenerating nitrogen oxide purification catalyst

Country Status (1)

Country Link
JP (1) JPS6012907B2 (en)

Also Published As

Publication number Publication date
JPS6012907B2 (en) 1985-04-04

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