JPS5615841A - Catalyst for removal of nitrogen oxides in exhaust gas - Google Patents

Catalyst for removal of nitrogen oxides in exhaust gas

Info

Publication number
JPS5615841A
JPS5615841A JP9090779A JP9090779A JPS5615841A JP S5615841 A JPS5615841 A JP S5615841A JP 9090779 A JP9090779 A JP 9090779A JP 9090779 A JP9090779 A JP 9090779A JP S5615841 A JPS5615841 A JP S5615841A
Authority
JP
Japan
Prior art keywords
catalyst
oxide
removal
nitrogen oxides
exhaust gas
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
JP9090779A
Other languages
Japanese (ja)
Other versions
JPS6133619B2 (en
Inventor
Yasushi Fujita
Yuzo Nawa
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Priority to JP9090779A priority Critical patent/JPS5615841A/en
Publication of JPS5615841A publication Critical patent/JPS5615841A/en
Publication of JPS6133619B2 publication Critical patent/JPS6133619B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

PURPOSE: To obtain the catalyst for removal of nitrogen oxides, having a high activity less variable in the course of time, for a catalytic reduction by a method in which vanadium oxide and tungsten oxide are supported in a specific ratio on the surface of a titanium oxide carrier and then covered with cerium oxide.
CONSTITUTION: A denitrification catalyst for a catalytic reduction is manufactured by a procedure in which 1:5W1:50 (by weight) active composition consisting of 2W25wt% vanadium oxide, and tungsten oxide is supported on a titanium oxide- based carrier and then covered with 0.5W2.5wt% cerium oxide. The catalyst thus obtained is excellent in catalytic activity and durability in a wide range of temperatures as well as in the convertibility of SO2 into SO3 with less variation with time.
COPYRIGHT: (C)1981,JPO&Japio
JP9090779A 1979-07-19 1979-07-19 Catalyst for removal of nitrogen oxides in exhaust gas Granted JPS5615841A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9090779A JPS5615841A (en) 1979-07-19 1979-07-19 Catalyst for removal of nitrogen oxides in exhaust gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9090779A JPS5615841A (en) 1979-07-19 1979-07-19 Catalyst for removal of nitrogen oxides in exhaust gas

Publications (2)

Publication Number Publication Date
JPS5615841A true JPS5615841A (en) 1981-02-16
JPS6133619B2 JPS6133619B2 (en) 1986-08-02

Family

ID=14011467

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9090779A Granted JPS5615841A (en) 1979-07-19 1979-07-19 Catalyst for removal of nitrogen oxides in exhaust gas

Country Status (1)

Country Link
JP (1) JPS5615841A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855115A (en) * 1986-07-29 1989-08-08 Mitsubishi Petrochemical Co. Ltd. Process for removing nitrogen oxides from exhaust gases
CN105251477A (en) * 2015-11-17 2016-01-20 广东电网有限责任公司电力科学研究院 High-temperature SCR denitration catalyst in vanadium wide window and preparing method and application of high-temperature SCR denitration catalyst

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855115A (en) * 1986-07-29 1989-08-08 Mitsubishi Petrochemical Co. Ltd. Process for removing nitrogen oxides from exhaust gases
CN105251477A (en) * 2015-11-17 2016-01-20 广东电网有限责任公司电力科学研究院 High-temperature SCR denitration catalyst in vanadium wide window and preparing method and application of high-temperature SCR denitration catalyst

Also Published As

Publication number Publication date
JPS6133619B2 (en) 1986-08-02

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