JPS5523086B2 - - Google Patents
Info
- Publication number
- JPS5523086B2 JPS5523086B2 JP3484573A JP3484573A JPS5523086B2 JP S5523086 B2 JPS5523086 B2 JP S5523086B2 JP 3484573 A JP3484573 A JP 3484573A JP 3484573 A JP3484573 A JP 3484573A JP S5523086 B2 JPS5523086 B2 JP S5523086B2
- Authority
- JP
- Japan
- 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
- 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
- B01J23/8472—Vanadium
-
- 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
- B01D53/9418—Processes characterised by a specific catalyst for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas
-
- 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
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20723—Vanadium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20738—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20746—Cobalt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20753—Nickel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20761—Copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20784—Chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/209—Other metals
- B01D2255/2094—Tin
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3484573A JPS5523086B2 (Direct) | 1973-03-26 | 1973-03-26 | |
| US05/452,659 US4010238A (en) | 1973-03-26 | 1974-03-19 | Proces for selective removal of nitrogen oxides from waste gases |
| FR7409945A FR2223072B1 (Direct) | 1973-03-26 | 1974-03-22 | |
| GB1312074A GB1466789A (en) | 1973-03-26 | 1974-03-25 | Catalytic removal of oxides of nitrogen from waste gases |
| IT67946/74A IT1024532B (it) | 1973-03-26 | 1974-03-25 | Prodedimento per l eliminazione se lettiva di ossidi di azoto da gas di scarico |
| DE2414333A DE2414333C3 (de) | 1973-03-26 | 1974-03-25 | Verfahren zur selektiven Abtrennung von Stickstoffoxiden aus Abgasen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3484573A JPS5523086B2 (Direct) | 1973-03-26 | 1973-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS49122473A JPS49122473A (Direct) | 1974-11-22 |
| JPS5523086B2 true JPS5523086B2 (Direct) | 1980-06-20 |
Family
ID=12425513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3484573A Expired JPS5523086B2 (Direct) | 1973-03-26 | 1973-03-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4010238A (Direct) |
| JP (1) | JPS5523086B2 (Direct) |
| DE (1) | DE2414333C3 (Direct) |
| FR (1) | FR2223072B1 (Direct) |
| GB (1) | GB1466789A (Direct) |
| IT (1) | IT1024532B (Direct) |
Families Citing this family (81)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545388B2 (Direct) * | 1973-04-10 | 1979-03-16 | ||
| JPS503991A (Direct) * | 1973-04-18 | 1975-01-16 | ||
| JPS5427839B2 (Direct) * | 1973-09-10 | 1979-09-12 | ||
| GB1430730A (en) * | 1973-09-10 | 1976-04-07 | Mitsubishi Chem Ind | Reductive decomposition of oxides of nitrogen |
| JPS542912B2 (Direct) * | 1973-09-10 | 1979-02-15 | ||
| US4170572A (en) * | 1973-10-18 | 1979-10-09 | Union Carbide Corporation | Oxidation catalyst prepared with NH3 |
| JPS6243736B2 (Direct) * | 1974-03-29 | 1987-09-16 | Mitsubishi Yuka Kk | |
| US4085193A (en) * | 1973-12-12 | 1978-04-18 | Mitsubishi Petrochemical Co. Ltd. | Catalytic process for reducing nitrogen oxides to nitrogen |
| US4056600A (en) * | 1974-06-03 | 1977-11-01 | Gennady Alexeevich Skvortsov | Method of selective catalytic purification of waste gases from nitrogen oxides |
| JPS5132479A (en) * | 1974-09-13 | 1976-03-19 | Asahi Glass Co Ltd | Chitsusosankabutsu no shorihoho |
| JPS5181776A (ja) * | 1975-01-13 | 1976-07-17 | Mitsubishi Chem Ind | Nenshohaigasunodatsushohoho |
| JPS5246558B2 (Direct) * | 1975-02-17 | 1977-11-25 | ||
| JPS5621469B2 (Direct) * | 1975-02-25 | 1981-05-19 | ||
| JPS585703B2 (ja) * | 1975-05-19 | 1983-02-01 | 株式会社日本触媒 | チツソサンカブツジヨキヨヨウシヨクバイ |
| JPS5823136B2 (ja) * | 1975-07-23 | 1983-05-13 | 三井化学株式会社 | 排ガス中の窒素酸化物の除去方法 |
| JPS5231969A (en) * | 1975-09-05 | 1977-03-10 | Kobe Steel Ltd | Removing method of nitrogen oxide contained in waste gas from fixed bu rning eqipment |
| JPS6052856B2 (ja) * | 1975-09-05 | 1985-11-21 | 株式会社神戸製鋼所 | 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 |
| US4131643A (en) * | 1975-09-05 | 1978-12-26 | Kobe Steel Limited | Catalyst for converting nitrogen oxides and method for converting nitrogen oxides in exhaust gases by using said catalyst |
| FR2327814A1 (fr) * | 1975-10-15 | 1977-05-13 | Hitachi Ltd | Procede pour traiter par catalyse un gaz d'echappement renfermant de l'ammoniac gazeux et de l'oxygene gazeux. |
| US4096184A (en) * | 1976-01-19 | 1978-06-20 | Sumitomo Chemical Company, Limited | Process for preparing acid amides |
| US4140654A (en) * | 1976-04-16 | 1979-02-20 | Mitsui Petrochemical Industries Ltd. | Catalyst composition with support comprising titanium oxide and clay mineral for vapor phase reduction of nitrogen oxides |
| US4188365A (en) * | 1976-04-16 | 1980-02-12 | Mitsui Petrochemical Industries, Ltd. | Process for catalytic vapor phase reduction of nitrogen oxides and catalyst composition used therefor |
| JPS52147587A (en) * | 1976-06-02 | 1977-12-08 | Ishikawajima Harima Heavy Ind Co Ltd | No# removal catalyst |
| US4186109A (en) * | 1976-09-30 | 1980-01-29 | Mitsubishi Jukogyo Kabushiki Kaisha | Catalyst for selectively reducing nitrogen oxides from oxygen-containing exhaust gases |
| JPS5456072A (en) * | 1977-10-13 | 1979-05-04 | Kawasaki Heavy Ind Ltd | Denitrating method for exhaust combustion gas |
| US4229374A (en) * | 1977-10-17 | 1980-10-21 | Shell Oil Company | Amine process using Cu-Sn-Na catalyst |
| US4293443A (en) * | 1978-03-30 | 1981-10-06 | Standard Oil Company | Oxidation catalysts |
| US4234461A (en) * | 1978-03-30 | 1980-11-18 | Standard Oil Company (Ohio) | Oxidation catalysts |
| US4225465A (en) * | 1978-05-02 | 1980-09-30 | Standard Oil Company (Ohio) | Production of maleic anhydride from four-carbon hydrocarbons using catalysts prepared by hydrothermal techniques |
| IT1193930B (it) * | 1980-04-02 | 1988-08-31 | Alusuisse Italia Spa | Catalizzatore per la fabbricazione di anidride ftalica |
| JPS57133339A (en) * | 1981-02-10 | 1982-08-18 | Shimadzu Corp | Infrared rays system so2 analyzer |
| JPS58128127A (ja) * | 1982-09-22 | 1983-07-30 | Mitsubishi Kakoki Kaisha Ltd | 排ガスから窒素酸化物を除去する方法 |
| DE3643605C1 (de) * | 1986-12-19 | 1988-07-14 | Otto Feuerfest Gmbh | Traegerkatalysator,Verfahren zu seiner Herstellung und seine Verwendung zur Reduktion von Stickoxiden |
| US4929586A (en) * | 1988-06-09 | 1990-05-29 | W. R. Grace & Co.-Conn. | Catalysts for selective catalytic reduction DeNOx technology |
| US4975256A (en) * | 1988-06-09 | 1990-12-04 | W. R. Grace & Co.-Conn. | Process using catalysts for selective catalytic reduction denox technology |
| US4962075A (en) * | 1988-12-05 | 1990-10-09 | Mobil Oil Corp. | Zeolitic copper catalyst |
| FR2642987A1 (fr) * | 1989-02-10 | 1990-08-17 | Centre Nat Rech Scient | Reduction catalytique de composes azotes |
| SU1822529A3 (ru) * | 1991-06-17 | 1995-02-27 | Институт катализа СО РАН | Катализатор для очистки отходящих промышленных газов по реакции клауса |
| WO1999002258A1 (en) | 1997-07-10 | 1999-01-21 | Sk Corporation | Selective catalytic reduction for the removal of nitrogen oxides and catalyst body thereof |
| JP3643676B2 (ja) * | 1997-07-16 | 2005-04-27 | 三菱重工業株式会社 | ボイラ排ガスの油田への圧入方法 |
| RU2179954C1 (ru) * | 2000-06-22 | 2002-02-27 | Стремилова Нина Николаевна | Композиция для очистки природных и сточных вод и способ получения композиции для очистки природных и сточных вод (варианты) |
| JPWO2008020535A1 (ja) * | 2006-08-15 | 2010-01-07 | 出光興産株式会社 | 亜酸化窒素の分解方法 |
| KR20150038645A (ko) * | 2007-01-31 | 2015-04-08 | 바스프 카탈리스트 엘엘씨 | 다공벽 벌집을 포함하는 기체 촉매 |
| US8524185B2 (en) | 2008-11-03 | 2013-09-03 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
| EP2567078B1 (en) | 2010-05-05 | 2017-09-27 | BASF Corporation | Catalyzed soot filter and emissions treatment systems and methods |
| US8293182B2 (en) | 2010-05-05 | 2012-10-23 | Basf Corporation | Integrated SCR and AMOx catalyst systems |
| US9757718B2 (en) | 2014-05-09 | 2017-09-12 | Johnson Matthey Public Limited Company | Ammonia slip catalyst having platinum impregnated on high porosity substrates |
| DE102015209987A1 (de) | 2014-06-04 | 2015-12-10 | Johnson Matthey Public Limited Company | Nicht-PGM-Ammoniakschlupfkatalysator |
| BR112016030897A2 (pt) | 2014-07-02 | 2017-08-22 | Johnson Matthey Plc | Catalisador de deslizamento de amônia, método para preparação de um catalisador de deslizamento de amônia, sistema de catalisador de deslizamento de amônia, artigo de catalisador, sistema de tratamento de gases de escape de motores, método para tratar um gás de escape, e, método para reduzir nox em um gás de escape |
| EP3221032B1 (en) | 2014-11-19 | 2020-09-09 | Johnson Matthey Public Limited Company | Combining scr with pna for low temperature emission control |
| JP5869169B1 (ja) * | 2015-06-01 | 2016-02-24 | 公立大学法人大阪府立大学 | 酸素発生反応用ペロブスカイト酸化物触媒 |
| JP6830451B2 (ja) | 2015-06-18 | 2021-02-17 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | Nh3過剰負荷耐性scr触媒 |
| CN117065794A (zh) | 2015-06-18 | 2023-11-17 | 庄信万丰股份有限公司 | 单层或双层氨泄漏催化剂 |
| RU2709434C2 (ru) | 2015-06-18 | 2019-12-17 | Джонсон Мэтти Паблик Лимитед Компани | Зонированная система выпуска отработавших газов |
| US10201807B2 (en) | 2015-06-18 | 2019-02-12 | Johnson Matthey Public Limited Company | Ammonia slip catalyst designed to be first in an SCR system |
| WO2016205509A1 (en) | 2015-06-18 | 2016-12-22 | Johnson Matthey Public Limited Company | Ammonia slip catalyst with low n2o formation |
| US9937489B2 (en) | 2015-06-18 | 2018-04-10 | Johnson Matthey Public Limited Company | Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC |
| JP6755306B2 (ja) | 2015-09-29 | 2020-09-16 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | すす触媒とscr触媒を有する触媒フィルタ |
| EP3356659B1 (en) | 2015-09-29 | 2020-06-10 | Johnson Matthey Public Limited Company | Zoned ammonia slip catalyst for use in combustion turbines |
| WO2018057844A1 (en) | 2016-09-22 | 2018-03-29 | Johnson Matthey Public Limited Company | Ruthenium supported on supports having a rutile phase as stable ammonia slip catalysts |
| US11339701B2 (en) | 2016-10-24 | 2022-05-24 | Basf Corporation | Integrated SCR catalyst and LNT for NOx abatement |
| GB2556453A (en) | 2016-10-26 | 2018-05-30 | Johnson Matthey Plc | Hydrocarbon injection through small pore CU-zeolite catalyst |
| GB2562160B (en) | 2017-03-20 | 2021-06-23 | Johnson Matthey Plc | Catalytic wall-flow filter with an ammonia slip catalyst |
| DE102018106329A1 (de) | 2017-03-20 | 2018-09-20 | Johnson Matthey Public Limited Company | SCRF mit rückwärtigem Auf-Wand-Design |
| WO2019042911A1 (en) | 2017-08-29 | 2019-03-07 | Rhodia Operations | USE OF A MIXED OXIDE TO ABSORB NOX |
| EP3755891A4 (en) | 2018-02-19 | 2021-12-01 | BASF Corporation | Exhaust gas treatment system with upstream scr catalyst |
| BR112020017976A2 (pt) | 2018-03-14 | 2020-12-22 | Johnson Matthey Public Limited Company | Artigo catalítico, sistema de exaustão, método para melhorar a conversão de nh3 de um gás de exaustão, e, método para tratamento de gás de exaustão |
| CN112888658B (zh) | 2018-08-24 | 2024-04-16 | 罗地亚经营管理公司 | 微孔铝钛硅酸盐结晶沸石,其制备方法和应用 |
| JP2023506375A (ja) | 2019-12-10 | 2023-02-16 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニー | 選択性、活性及び耐毒性を改善するための区分化アンモニアスリップ触媒 |
| WO2023244279A1 (en) | 2022-06-17 | 2023-12-21 | Basf Corporation | Exhaust treatment system for ammonia-fueled vehicles |
| WO2021126935A1 (en) | 2019-12-19 | 2021-06-24 | Basf Corporation | Exhaust treatment system for ammonia-fueled vehicles |
| EP4126348A1 (en) | 2020-03-31 | 2023-02-08 | Johnson Matthey Public Limited Company | Ammonia slip catalyst with in-situ pt fixing |
| WO2022167431A1 (en) | 2021-02-02 | 2022-08-11 | Basf Corporation | Exhaust gas treatment system for reducing ammonia emissions from mobile gasoline applications |
| EP4378566A1 (en) | 2022-11-29 | 2024-06-05 | Johnson Matthey Public Limited Company | Improved catalytic wall-flow filter |
| CN120476019A (zh) | 2022-12-21 | 2025-08-12 | 巴斯夫公司 | 用于汽油应用的具有分区scr入口和pgm出口的氨氧化催化剂 |
| WO2024161111A1 (en) | 2023-01-30 | 2024-08-08 | Johnson Matthey Public Limited Company | System comprising h2-internal combustion engine and exhaust system therefor |
| WO2024246488A1 (en) | 2023-06-01 | 2024-12-05 | Johnson Matthey Public Limited Company | System for treating an exhaust gas |
| WO2025099410A1 (en) | 2023-11-06 | 2025-05-15 | Johnson Matthey Public Limited Company | Catalytic partial wall-flow filter |
| WO2025114689A1 (en) | 2023-11-28 | 2025-06-05 | Johnson Matthey Public Limited Company | Dual-filter exhaust gas treatment system |
| WO2025120310A1 (en) | 2023-12-05 | 2025-06-12 | Johnson Matthey Public Limited Company | High transition metal loading for ammonia slip catalyst |
| WO2025125817A1 (en) | 2023-12-15 | 2025-06-19 | Johnson Matthey Public Limited Company | Ammonia slip catalyst |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB662460A (en) * | 1949-02-17 | 1951-12-05 | Dirk Willem Van Krevelen | Process for the removal of carbon monoxide from a gas mixture containing carbon monoxide and nitric oxide |
| US3008796A (en) * | 1958-06-05 | 1961-11-14 | Engelhard Ind Inc | Method of purifying gases containing oxygen and oxides of nitrogen |
| US3249558A (en) * | 1962-08-31 | 1966-05-03 | Exxon Research Engineering Co | Method for the preparation of vanadium catalysts |
| US3279884A (en) * | 1963-10-31 | 1966-10-18 | Basf Ag | Selective removal of oxides of nitrogen from gas mixtures containing oxygen |
| US3476508A (en) * | 1965-10-27 | 1969-11-04 | Exxon Research Engineering Co | Catalytic purification treatment of exhaust gas |
| US3449063A (en) * | 1966-05-13 | 1969-06-10 | Ethyl Corp | Method of controlling exhaust emission |
| FR1504331A (fr) * | 1966-11-29 | 1967-12-01 | Hamburger Gaswerke Gmbh | Procédé pour l'élimination d'oxydes d'azote à partir de tous les gaz |
| US3513109A (en) * | 1967-04-19 | 1970-05-19 | Du Pont | Process for applying catalytic coatings |
| NL109842C (Direct) * | 1969-06-16 | 1964-11-16 | ||
| GB1390182A (en) * | 1971-03-16 | 1975-04-09 | Johnson Matthey Co Ltd | Catalysis |
| JPS5432753B2 (Direct) * | 1971-11-22 | 1979-10-16 | ||
| JPS48101975A (Direct) * | 1972-04-05 | 1973-12-21 | ||
| GB1438120A (en) * | 1972-09-01 | 1976-06-03 | Exxon Research Engineering Co | Removal of nitrogen oxides from flue gas |
| CA1002732A (en) * | 1972-12-27 | 1977-01-04 | Neville L. Cull | Removal of nitrogen oxides using coated catalyst |
| NL7805366A (nl) * | 1978-05-18 | 1979-11-20 | Philips Nv | Gereedschap voor de hantering en vormgeving van glas. |
-
1973
- 1973-03-26 JP JP3484573A patent/JPS5523086B2/ja not_active Expired
-
1974
- 1974-03-19 US US05/452,659 patent/US4010238A/en not_active Expired - Lifetime
- 1974-03-22 FR FR7409945A patent/FR2223072B1/fr not_active Expired
- 1974-03-25 DE DE2414333A patent/DE2414333C3/de not_active Expired
- 1974-03-25 IT IT67946/74A patent/IT1024532B/it active
- 1974-03-25 GB GB1312074A patent/GB1466789A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2223072A1 (Direct) | 1974-10-25 |
| IT1024532B (it) | 1978-07-20 |
| GB1466789A (en) | 1977-03-09 |
| JPS49122473A (Direct) | 1974-11-22 |
| DE2414333B2 (de) | 1980-11-13 |
| DE2414333C3 (de) | 1981-09-10 |
| DE2414333A1 (de) | 1974-10-03 |
| US4010238A (en) | 1977-03-01 |
| FR2223072B1 (Direct) | 1978-01-06 |