IT1064688B - Catalizzatore per la conversione di ossidi di azoto e metodo per convertire ossidi di azoto presenti in gas di scapico usando detto catalizzatore - Google Patents
Catalizzatore per la conversione di ossidi di azoto e metodo per convertire ossidi di azoto presenti in gas di scapico usando detto catalizzatoreInfo
- Publication number
- IT1064688B IT1064688B IT2583976A IT2583976A IT1064688B IT 1064688 B IT1064688 B IT 1064688B IT 2583976 A IT2583976 A IT 2583976A IT 2583976 A IT2583976 A IT 2583976A IT 1064688 B IT1064688 B IT 1064688B
- Authority
- IT
- Italy
- Prior art keywords
- catalyst
- nitrogen oxides
- conversion
- exhaust gas
- converting
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B01J23/20—Vanadium, niobium or tantalum
-
- 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
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/847—Vanadium, niobium or tantalum or polonium
- B01J23/8474—Niobium
-
- 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
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50108179A JPS6052856B2 (ja) | 1975-09-05 | 1975-09-05 | 固定燃焼装置よりの排ガス中に含まれる窒素酸化物の除去法 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1064688B true IT1064688B (it) | 1985-02-25 |
Family
ID=14477985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2583976A IT1064688B (it) | 1975-09-05 | 1976-07-29 | Catalizzatore per la conversione di ossidi di azoto e metodo per convertire ossidi di azoto presenti in gas di scapico usando detto catalizzatore |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS6052856B2 (fr) |
CA (1) | CA1090097A (fr) |
DE (1) | DE2634279C2 (fr) |
FR (1) | FR2322651A1 (fr) |
GB (1) | GB1557044A (fr) |
IT (1) | IT1064688B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6479428B1 (en) * | 1998-07-27 | 2002-11-12 | Battelle Memorial Institute | Long life hydrocarbon conversion catalyst and method of making |
EP3393629B1 (fr) * | 2015-12-22 | 2021-01-20 | Shell Internationale Research Maatschappij B.V. | Lit de catalyseur et procédé de réduction d'oxydes d'azote |
EP3393630A1 (fr) | 2015-12-22 | 2018-10-31 | Shell Internationale Research Maatschappij B.V. | Lit de catalyseur et procédé de réduction d'oxydes d'azote |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53382B2 (fr) * | 1972-02-25 | 1978-01-07 | ||
US3849342A (en) * | 1972-11-29 | 1974-11-19 | Texas Instruments Inc | Catalysts for conversion of nitrogen oxide pollutants in automotive exhaust gases |
JPS5523086B2 (fr) * | 1973-03-26 | 1980-06-20 | ||
JPS5417033B2 (fr) * | 1973-06-14 | 1979-06-27 | ||
JPS5013590A (fr) * | 1973-06-14 | 1975-02-13 | ||
NL7413819A (nl) * | 1973-10-23 | 1975-04-25 | Union Carbide Corp | Werkwijze voor het katalytisch oxyderen in de dampfase van onverzadigde alifatische aldehyden tot de overeenkomende onverzadigde alifatische carbonzuren. |
-
1975
- 1975-09-05 JP JP50108179A patent/JPS6052856B2/ja not_active Expired
-
1976
- 1976-07-29 IT IT2583976A patent/IT1064688B/it active
- 1976-07-30 CA CA258,141A patent/CA1090097A/fr not_active Expired
- 1976-07-30 GB GB3182076A patent/GB1557044A/en not_active Expired
- 1976-07-30 DE DE19762634279 patent/DE2634279C2/de not_active Expired
- 1976-07-30 FR FR7623509A patent/FR2322651A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
GB1557044A (en) | 1979-12-05 |
JPS5231971A (en) | 1977-03-10 |
JPS6052856B2 (ja) | 1985-11-21 |
DE2634279C2 (de) | 1982-12-30 |
DE2634279A1 (de) | 1977-03-10 |
CA1090097A (fr) | 1980-11-25 |
FR2322651A1 (fr) | 1977-04-01 |
FR2322651B1 (fr) | 1980-05-23 |
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