SE435813B - PROCEDURE FOR REDUCING NITROGEN OXIDES TO NITROGEN USING CATALYST - Google Patents
PROCEDURE FOR REDUCING NITROGEN OXIDES TO NITROGEN USING CATALYSTInfo
- Publication number
- SE435813B SE435813B SE7415457A SE7415457A SE435813B SE 435813 B SE435813 B SE 435813B SE 7415457 A SE7415457 A SE 7415457A SE 7415457 A SE7415457 A SE 7415457A SE 435813 B SE435813 B SE 435813B
- Authority
- SE
- Sweden
- Prior art keywords
- nitrogen
- catalyst
- procedure
- reducing
- oxides
- Prior art date
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
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9404—Removing only nitrogen compounds
- B01D53/9409—Nitrogen oxides
- B01D53/9413—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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J23/12—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of actinides
-
- 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
- B01J23/20—Vanadium, niobium or tantalum
- B01J23/22—Vanadium
-
- 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/28—Molybdenum
-
- 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
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/72—Copper
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/745—Iron
-
- 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
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/75—Cobalt
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48137688A JPS5235342B2 (en) | 1973-12-12 | 1973-12-12 | |
JP48137687A JPS5222839B2 (en) | 1973-12-12 | 1973-12-12 | |
JP48137685A JPS526953B2 (en) | 1973-12-12 | 1973-12-12 | |
JP48137686A JPS526954B2 (en) | 1973-12-12 | 1973-12-12 | |
JP3524774A JPS5736012B2 (en) | 1974-03-29 | 1974-03-29 | |
JP49035246A JPS6243736B2 (en) | 1974-03-29 | 1974-03-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7415457L SE7415457L (en) | 1975-06-13 |
SE435813B true SE435813B (en) | 1984-10-22 |
Family
ID=27549758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7415457A SE435813B (en) | 1973-12-12 | 1974-12-10 | PROCEDURE FOR REDUCING NITROGEN OXIDES TO NITROGEN USING CATALYST |
Country Status (1)
Country | Link |
---|---|
SE (1) | SE435813B (en) |
-
1974
- 1974-12-10 SE SE7415457A patent/SE435813B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
SE7415457L (en) | 1975-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1027634B (en) | PROCEDURE FOR REDUCING NITROGEN OXIDES AND CATALYTIC COMPOSITIONS TO NITROGEN FOR THIS PROCEDURE | |
DD128791A5 (en) | CATALYST | |
SE428761B (en) | CATALYST | |
SE396635B (en) | KIT AND CATALYST CATALYTER KIT AND CATALYLER NITROGES AND NITROGEN OXIDES FROM CAR EXHAUST | |
SE410489B (en) | DEVICE FOR AFTERBURNING OF EXHAUST | |
IT1027794B (en) | CATALYTIC CORFO FOR USE AS A CONVERTER FOR DI | |
IT1019987B (en) | PROCEDURE FOR REGENERATION OF CATALYSTS | |
FI56155C (en) | PLASTFILMSAECK MED LUFTNINGSOEPPNING | |
IT1007273B (en) | CALANDER | |
TR17888A (en) | DETECTION OF EXHAUST COLLECTORS | |
IT1019988B (en) | PROCEDURE FOR REGENERATION OF CATALYSTS | |
IT1016824B (en) | CATALYST FOR THE OXIDATION OF AMMONIA TO NITROGEN OXIDES | |
SE413146B (en) | KNITTED BERBAND FOR BLIXTLAS | |
BE817331A (en) | CATALYTIC HYDR0DEPARAFFINING | |
SE417401B (en) | Catalyst for subdivision of one or more nitrogen oxides | |
AR217226A1 (en) | NEW DERIVATIVES OF N- (3-METHYL-UNCLE PROPIL) UREA | |
FI51973C (en) | PAPPERSMASKIN MED TVAO VIROR | |
SE7511395L (en) | CATALYST | |
DK151807C (en) | TRIAZOLISOQINOLINE DERIVATIVES WITH ANTIFERTILITY EFFECT | |
SE413148B (en) | KNITTED BERBAND FOR BLIXTLAS | |
FI53483C (en) | GAONGJAERN MED FJAEDERLAOS | |
SE413149B (en) | KNITTED BERBAND FOR BLIXTLAS | |
IT1008721B (en) | IMPROVEMENTS RELATING TO RE-CATALYTIC REACT | |
SE435813B (en) | PROCEDURE FOR REDUCING NITROGEN OXIDES TO NITROGEN USING CATALYST | |
SE410401B (en) | SET AND CATALYST FOR ANRIKA DEUTERIUM |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7415457-6 Effective date: 19950110 Format of ref document f/p: F |
|
NUG | Patent has lapsed |
Ref document number: 7415457-6 Format of ref document f/p: F |