JPS542289A - Denitration catalyst having high activity at low temperature - Google Patents
Denitration catalyst having high activity at low temperatureInfo
- 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
Links
- 239000003054 catalyst Substances 0.000 title abstract 2
- 229910016978 MnOx Inorganic materials 0.000 abstract 1
- 239000011656 manganese carbonate Substances 0.000 abstract 1
- 229910000016 manganese(II) carbonate Inorganic materials 0.000 abstract 1
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
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)
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)
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)
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 |
-
1977
- 1977-06-08 JP JP52067584A patent/JPS5920383B2/en not_active Expired
-
1978
- 1978-05-31 GB GB2518578A patent/GB1599079A/en not_active Expired
- 1978-06-02 DE DE19782824246 patent/DE2824246A1/en active Pending
- 1978-06-05 CA CA304,764A patent/CA1091899A/en not_active Expired
- 1978-06-06 NL NL7806130A patent/NL7806130A/en not_active Application Discontinuation
- 1978-06-06 PL PL20740178A patent/PL207401A1/en unknown
- 1978-06-07 FR FR787816995A patent/FR2393602A1/en not_active Withdrawn
Cited By (2)
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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