GB1448550A - Process for the removal of nitrogen oxides from a gas stream - Google Patents
Process for the removal of nitrogen oxides from a gas streamInfo
- Publication number
- GB1448550A GB1448550A GB348275A GB348275A GB1448550A GB 1448550 A GB1448550 A GB 1448550A GB 348275 A GB348275 A GB 348275A GB 348275 A GB348275 A GB 348275A GB 1448550 A GB1448550 A GB 1448550A
- Authority
- GB
- United Kingdom
- Prior art keywords
- silica
- gas stream
- ferrous
- jan
- alumina
- 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
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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/053—Sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (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 |
---|---|---|---|
JP1313674 | 1974-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1448550A true GB1448550A (en) | 1976-09-08 |
Family
ID=11824731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB348275A Expired GB1448550A (en) | 1974-01-31 | 1975-01-27 | Process for the removal of nitrogen oxides from a gas stream |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2504027A1 (ja) |
FR (1) | FR2333559A1 (ja) |
GB (1) | GB1448550A (ja) |
NL (1) | NL7501171A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3423761A1 (de) * | 1984-06-28 | 1986-01-09 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur abscheidung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) |
CN113231085A (zh) * | 2021-05-25 | 2021-08-10 | 北京化工大学 | 硫酸铁改性的赤泥基脱硝催化剂及其制备方法和应用 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7601371A (nl) * | 1976-02-11 | 1977-08-15 | Shell Int Research | Werkwijze voor het gelijktijdig verwijderen van stikstofoxyden en zwaveloxyden uit een gasstroom. |
FR2368987A1 (fr) * | 1976-11-01 | 1978-05-26 | Mitsubishi Chem Ind | Reduction catalytique des oxydes d'azote |
JPS5450495A (en) * | 1977-09-30 | 1979-04-20 | Ube Ind Ltd | Nitrogen oxides purification catalyst |
DE3505648C2 (de) * | 1985-02-19 | 1987-02-19 | Didier Engineering Gmbh, 4300 Essen | Verfahren zur Herstellung eines Eisenoxid, Chromoxid und Manganoxid enthaltenden Katalysators zur selektiven Reduzierung von Stickoxiden in Abgasen mittels Ammoniak |
DE3544476A1 (de) * | 1985-12-16 | 1987-06-19 | Sued Chemie Ag | Eisenhaltiger katalysator zur verringerung des stickoxidgehalts von verbrennungsabgasen |
US4695438A (en) * | 1986-06-13 | 1987-09-22 | Johnson Matthey, Inc. | Selective catalytic reduction catalysts |
DE3633493A1 (de) * | 1986-10-02 | 1988-04-14 | Metallgesellschaft Ag | Verfahren zur katalytischen reduktion von no |
DE3641773A1 (de) * | 1986-12-06 | 1988-06-09 | Metallgesellschaft Ag | Verfahren zur katalytischen reduktion von in einem gas enthaltenem no |
DE3642980A1 (de) * | 1986-12-17 | 1988-06-23 | Metallgesellschaft Ag | Verfahren zur katalytischen reduktion von no |
EP0275671B1 (en) * | 1986-12-19 | 1993-08-11 | Babcock-Hitachi Kabushiki Kaisha | Process for calcining a denitrating catalyst |
DE3701527A1 (de) * | 1987-01-21 | 1988-08-04 | Metallgesellschaft Ag | Verfahren zur gleichzeitigen entstickung und entschwefelung eines sauerstoffhaltigen abgases |
DE4235411A1 (de) * | 1992-10-21 | 1994-04-28 | Metallgesellschaft Ag | Verfahren zur katalytischen Reduktion von Stickstoffoxiden in Verbrennungsabgasen |
-
1975
- 1975-01-27 GB GB348275A patent/GB1448550A/en not_active Expired
- 1975-01-30 FR FR7502991A patent/FR2333559A1/fr active Granted
- 1975-01-31 DE DE19752504027 patent/DE2504027A1/de not_active Withdrawn
- 1975-01-31 NL NL7501171A patent/NL7501171A/xx not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3423761A1 (de) * | 1984-06-28 | 1986-01-09 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur abscheidung von so(pfeil abwaerts)2(pfeil abwaerts) und no(pfeil abwaerts)x(pfeil abwaerts) |
CN113231085A (zh) * | 2021-05-25 | 2021-08-10 | 北京化工大学 | 硫酸铁改性的赤泥基脱硝催化剂及其制备方法和应用 |
CN113231085B (zh) * | 2021-05-25 | 2023-06-27 | 北京化工大学 | 硫酸铁改性的赤泥基脱硝催化剂及其制备方法和应用 |
Also Published As
Publication number | Publication date |
---|---|
FR2333559A1 (fr) | 1977-07-01 |
DE2504027A1 (de) | 1975-08-07 |
FR2333559B1 (ja) | 1982-02-19 |
NL7501171A (nl) | 1975-08-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |