GB1488017A - Reduction catalyst for removal of nitrogen oxides in exhaust gases - Google Patents
Reduction catalyst for removal of nitrogen oxides in exhaust gasesInfo
- Publication number
- GB1488017A GB1488017A GB41128/74A GB4112874A GB1488017A GB 1488017 A GB1488017 A GB 1488017A GB 41128/74 A GB41128/74 A GB 41128/74A GB 4112874 A GB4112874 A GB 4112874A GB 1488017 A GB1488017 A GB 1488017A
- Authority
- GB
- United Kingdom
- Prior art keywords
- metal
- zeolite
- nitrogen oxides
- reduction catalyst
- removal
- 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.)
- Expired
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 9
- 239000003054 catalyst Substances 0.000 title abstract 3
- 239000007789 gas Substances 0.000 title 1
- 239000010457 zeolite Substances 0.000 abstract 7
- 229910021536 Zeolite Inorganic materials 0.000 abstract 6
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 6
- 239000002184 metal Substances 0.000 abstract 5
- 229910052751 metal Inorganic materials 0.000 abstract 5
- 150000002736 metal compounds Chemical class 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 229910052725 zinc 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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/061—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing metallic elements added to the zeolite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10870273A JPS548351B2 (enrdf_load_stackoverflow) | 1973-09-27 | 1973-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1488017A true GB1488017A (en) | 1977-10-05 |
Family
ID=14491445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB41128/74A Expired GB1488017A (en) | 1973-09-27 | 1974-09-20 | Reduction catalyst for removal of nitrogen oxides in exhaust gases |
Country Status (12)
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2162830A (en) * | 1984-08-10 | 1986-02-12 | Babcock Hitachi Kk | Ammonia reduction-denitration process |
| DE3635284A1 (de) * | 1986-10-16 | 1988-04-28 | Steuler Industriewerke Gmbh | Katalysator zur entfernung von stickoxiden aus abgasen |
| GB2232410A (en) * | 1989-05-15 | 1990-12-12 | Cottrell Res Inc | Reduction of NOx by fuel staging with acetylene-like fuels |
| GB2238784A (en) * | 1989-12-08 | 1991-06-12 | Inst Of Research And Innovatio | Removing nitrogen oxides from exhaust gases. |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1110829A (en) * | 1978-03-30 | 1981-10-20 | Gerald M. Woltermann | Conversion of nitrogen oxides |
| JPS5559846A (en) * | 1979-07-18 | 1980-05-06 | Hitachi Zosen Corp | Catalyst having activity at low temperature for exhaust smoke denitration |
| JPS5913893B2 (ja) * | 1979-07-18 | 1984-04-02 | 日立造船株式会社 | 低温活性を有する排煙脱硝触媒 |
| FR2568789B1 (fr) * | 1984-08-13 | 1990-03-30 | Babcock Hitachi Kk | Procede de reduction-denitration par l'ammoniac et appareil pour sa mise en oeuvre |
| DE3544476A1 (de) * | 1985-12-16 | 1987-06-19 | Sued Chemie Ag | Eisenhaltiger katalysator zur verringerung des stickoxidgehalts von verbrennungsabgasen |
| DE3932452C2 (de) * | 1988-10-03 | 1997-02-27 | Toyoda Chuo Kenkyusho Kk | Kupfersilikat-Katalysator und Verfahren zur Abgasreinigung |
| JP4803487B2 (ja) * | 2006-02-22 | 2011-10-26 | 株式会社豊田中央研究所 | 窒素酸化物選択還元触媒及びその製造方法 |
| EP2463028A1 (en) * | 2010-12-11 | 2012-06-13 | Umicore Ag & Co. Kg | Process for the production of metal doped zeolites and zeotypes and application of same to the catalytic removal of nitrogen oxides |
| RU2543168C2 (ru) * | 2011-09-07 | 2015-02-27 | Закрытое Акционерное Общество "Саровские Лаборатории", Российская Федерация, | Состав адсорбента для удаления токсичных веществ из выхлопных газов автомобиля и способ его изготовления |
| WO2020085054A1 (ja) | 2018-10-23 | 2020-04-30 | 八千代工業株式会社 | 圧力容器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49122475A (enrdf_load_stackoverflow) * | 1973-03-13 | 1974-11-22 |
-
1973
- 1973-09-27 JP JP10870273A patent/JPS548351B2/ja not_active Expired
-
1974
- 1974-09-20 FR FR7431832A patent/FR2245409B2/fr not_active Expired
- 1974-09-20 GB GB41128/74A patent/GB1488017A/en not_active Expired
- 1974-09-23 CA CA209,822A patent/CA1031538A/en not_active Expired
- 1974-09-23 BE BE148799A patent/BE820229R/xx active
- 1974-09-24 CH CH1289074A patent/CH604886A5/xx not_active IP Right Cessation
- 1974-09-24 AT AT767374A patent/AT342012B/de not_active IP Right Cessation
- 1974-09-24 IT IT27627/74A patent/IT1054188B/it active
- 1974-09-26 DE DE2446006A patent/DE2446006C3/de not_active Expired
- 1974-09-26 SU SU742062077A patent/SU652868A3/ru active
- 1974-09-26 BR BR7982/74A patent/BR7407982D0/pt unknown
- 1974-09-26 SE SE7412162A patent/SE7412162L/xx unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2162830A (en) * | 1984-08-10 | 1986-02-12 | Babcock Hitachi Kk | Ammonia reduction-denitration process |
| DE3635284A1 (de) * | 1986-10-16 | 1988-04-28 | Steuler Industriewerke Gmbh | Katalysator zur entfernung von stickoxiden aus abgasen |
| GB2232410A (en) * | 1989-05-15 | 1990-12-12 | Cottrell Res Inc | Reduction of NOx by fuel staging with acetylene-like fuels |
| GB2238784A (en) * | 1989-12-08 | 1991-06-12 | Inst Of Research And Innovatio | Removing nitrogen oxides from exhaust gases. |
| US5041272A (en) * | 1989-12-08 | 1991-08-20 | Institute Of Research And Innovation | Method for removing nitrogen oxides from exhaust gases |
| GB2238784B (en) * | 1989-12-08 | 1994-03-16 | Inst Of Research And Innovatio | Method for removing nitrogen oxides from exhaust gases |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2446006B2 (de) | 1979-06-21 |
| SE7412162L (enrdf_load_stackoverflow) | 1975-04-01 |
| CH604886A5 (enrdf_load_stackoverflow) | 1978-09-15 |
| FR2245409A2 (enrdf_load_stackoverflow) | 1975-04-25 |
| IT1054188B (it) | 1981-11-10 |
| SU652868A3 (ru) | 1979-03-15 |
| JPS548351B2 (enrdf_load_stackoverflow) | 1979-04-14 |
| DE2446006C3 (de) | 1980-02-28 |
| JPS5059283A (enrdf_load_stackoverflow) | 1975-05-22 |
| ATA767374A (de) | 1977-07-15 |
| AU7374174A (en) | 1976-04-01 |
| CA1031538A (en) | 1978-05-23 |
| FR2245409B2 (enrdf_load_stackoverflow) | 1979-04-13 |
| AT342012B (de) | 1978-03-10 |
| BR7407982D0 (pt) | 1975-09-16 |
| BE820229R (fr) | 1975-01-16 |
| DE2446006A1 (de) | 1975-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |