JPS542289A - Denitration catalyst having high activity at low temperature - Google Patents

Denitration catalyst having high activity at low temperature

Info

Publication number
JPS542289A
JPS542289A JP6758477A JP6758477A JPS542289A JP S542289 A JPS542289 A JP S542289A JP 6758477 A JP6758477 A JP 6758477A JP 6758477 A JP6758477 A JP 6758477A JP S542289 A JPS542289 A JP S542289A
Authority
JP
Japan
Prior art keywords
denitration catalyst
low temperature
high activity
mnco
obtd
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
JP6758477A
Other languages
Japanese (ja)
Other versions
JPS5920383B2 (en
Inventor
Tadashi Araki
Hatsuo Saito
Motoyuki Funabashi
Ritaro Saito
Koji Seguchi
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.)
Kureha Corp
Original Assignee
Kureha 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 Kureha Corp filed Critical Kureha Corp
Priority to JP52067584A priority Critical patent/JPS5920383B2/en
Priority to GB2518578A priority patent/GB1599079A/en
Priority to DE19782824246 priority patent/DE2824246A1/en
Priority to CA304,764A priority patent/CA1091899A/en
Priority to NL7806130A priority patent/NL7806130A/en
Priority to PL20740178A priority patent/PL207401A1/en
Priority to FR787816995A priority patent/FR2393602A1/en
Publication of JPS542289A publication Critical patent/JPS542289A/en
Publication of JPS5920383B2 publication Critical patent/JPS5920383B2/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/08—Heat treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)

Abstract

PURPOSE: To provide a porous denitration catalyst of large specific surface area based on MnOx obtd. by heat treating MnCO3 in gas contg. more than 1%O2 at a specified temp., which can maintain its high denitration efficiency.
COPYRIGHT: (C)1979,JPO&Japio
JP52067584A 1977-06-08 1977-06-08 NOx reduction catalyst with high activity at low temperatures Expired JPS5920383B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP52067584A JPS5920383B2 (en) 1977-06-08 1977-06-08 NOx reduction catalyst with high activity at low temperatures
GB2518578A GB1599079A (en) 1977-06-08 1978-05-31 Method for removal of nitrogen oxides from exhaust gases
DE19782824246 DE2824246A1 (en) 1977-06-08 1978-06-02 METHOD OF REMOVING NITROGEN OXIDES FROM AN EXHAUST GAS CONTAINING NITROGEN
CA304,764A CA1091899A (en) 1977-06-08 1978-06-05 Method for removal of nitrogen oxides from nitrogen oxides-containing exhaust gas
NL7806130A NL7806130A (en) 1977-06-08 1978-06-06 PROCEDURE FOR THE REMOVAL OF NITROGEN OXIDES FROM NITROGEN OXIDES CONTAINING EXHAUST GASES.
PL20740178A PL207401A1 (en) 1977-06-08 1978-06-06 METHOD OF REMOVING NITROGEN OXIDES FROM THE OFF GAS
FR787816995A FR2393602A1 (en) 1977-06-08 1978-06-07 PROCESS FOR REMOVING NITROGEN OXIDES FROM EXHAUST GASES CONTAINING SUCH OXIDES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52067584A JPS5920383B2 (en) 1977-06-08 1977-06-08 NOx reduction catalyst with high activity at low temperatures

Publications (2)

Publication Number Publication Date
JPS542289A true JPS542289A (en) 1979-01-09
JPS5920383B2 JPS5920383B2 (en) 1984-05-12

Family

ID=13349104

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52067584A Expired JPS5920383B2 (en) 1977-06-08 1977-06-08 NOx reduction catalyst with high activity at low temperatures

Country Status (7)

Country Link
JP (1) JPS5920383B2 (en)
CA (1) CA1091899A (en)
DE (1) DE2824246A1 (en)
FR (1) FR2393602A1 (en)
GB (1) GB1599079A (en)
NL (1) NL7806130A (en)
PL (1) PL207401A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5790159A (en) * 1980-11-27 1982-06-04 Toa Medical Electronics Co Ltd Blood analyzer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3634553A1 (en) * 1986-10-10 1988-04-21 Didier Werke Ag USE OF MANGANE NUMBERS OR MANGANEOUS DEEP SEA ORES IN CATALYSTS TO REDUCE NITROGEN OXIDES IN EXHAUST GAS
WO1993002776A1 (en) * 1991-07-29 1993-02-18 British Technology Group Ltd. Catalyst and catalytic reduction
JPH06509273A (en) * 1991-07-29 1994-10-20 ビーティージー・インターナショナル・リミテッド Catalysts and catalytic reduction

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1253685B (en) * 1963-01-22 1967-11-09 Degussa Process for the removal of nitrogen oxides from nitrogen oxide-containing exhaust gases
BE789846A (en) * 1971-10-08 1973-02-01 Du Pont PROCESS FOR PURIFYING GASEOUS CURRENTS CONTAINING SULFUR IMPURITIES
US4003854A (en) * 1974-06-03 1977-01-18 Gennady Alexeevich Skvortsov Catalyst of supported vanadium oxide and manganese oxide and method of producing same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5790159A (en) * 1980-11-27 1982-06-04 Toa Medical Electronics Co Ltd Blood analyzer
JPH0161182B2 (en) * 1980-11-27 1989-12-27 Toa Medical Electronics

Also Published As

Publication number Publication date
DE2824246A1 (en) 1978-12-14
JPS5920383B2 (en) 1984-05-12
NL7806130A (en) 1978-12-12
GB1599079A (en) 1981-09-30
PL207401A1 (en) 1979-03-12
CA1091899A (en) 1980-12-23
FR2393602A1 (en) 1979-01-05

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