ES2037047T3 - Procedimiento para la reduccion catalitica de oxidos de nitrogeno. - Google Patents
Procedimiento para la reduccion catalitica de oxidos de nitrogeno.Info
- Publication number
- ES2037047T3 ES2037047T3 ES198787114160T ES87114160T ES2037047T3 ES 2037047 T3 ES2037047 T3 ES 2037047T3 ES 198787114160 T ES198787114160 T ES 198787114160T ES 87114160 T ES87114160 T ES 87114160T ES 2037047 T3 ES2037047 T3 ES 2037047T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- nitrogen oxides
- catalytic reduction
- catalyst
- oxides
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title 2
- 238000010531 catalytic reduction reaction Methods 0.000 title 1
- 239000003054 catalyst Substances 0.000 abstract 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 abstract 1
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
- 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
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
- B01J29/10—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y containing iron group metals, noble metals or copper
- B01J29/12—Noble metals
- B01J29/126—Y-type faujasite
-
- 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
Abstract
SE DESCRIBE UN PROCEDIMIENTO Y UN CATALIZADOR PARA REDUCIR OXIDOS AZOICOS EN GASES DE ESCAPE. EL CATALIZADOR SE BASA EN ZEOLITAS Y RECAMBIADAS Y DADO EL CASO EN UNA MATRIZ CON UN DOTAMIENTO ADICIONAL.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863634243 DE3634243A1 (de) | 1986-10-08 | 1986-10-08 | Zeolith-katalysator und verfahren zur katalytischen reduktion von stickoxiden |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2037047T3 true ES2037047T3 (es) | 1993-06-16 |
Family
ID=6311285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES198787114160T Expired - Lifetime ES2037047T3 (es) | 1986-10-08 | 1987-09-29 | Procedimiento para la reduccion catalitica de oxidos de nitrogeno. |
Country Status (6)
Country | Link |
---|---|
US (2) | US4935393A (es) |
EP (1) | EP0263399B1 (es) |
AT (1) | ATE75969T1 (es) |
DE (2) | DE3634243A1 (es) |
ES (1) | ES2037047T3 (es) |
GR (1) | GR3004727T3 (es) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2716205B2 (ja) * | 1989-05-08 | 1998-02-18 | 株式会社日本触媒 | 排ガス浄化用触媒 |
JP2909553B2 (ja) * | 1989-10-18 | 1999-06-23 | トヨタ自動車株式会社 | 排気ガス浄化用触媒及び排気ガスの浄化方法 |
JPH07106300B2 (ja) * | 1989-12-08 | 1995-11-15 | 財団法人産業創造研究所 | 燃焼排ガス中の窒素酸化物除去法 |
AU634005B2 (en) * | 1989-12-21 | 1993-02-11 | Tosoh Corporation | Catalyst for and method of purifying oxygen-excess exhaust gas |
DE4003515A1 (de) * | 1990-02-06 | 1991-08-08 | Bayer Ag | Verfahren zur reduktion von in abgasen enthaltenen stickoxiden |
AU649586B2 (en) * | 1990-03-09 | 1994-05-26 | Tosoh Corporation | Catalyst and method for catalytically decomposing nitrogen oxides |
EP0455491A3 (en) * | 1990-05-03 | 1992-03-18 | Sakai Chemical Industry Co., Ltd., | Catalysts and methods for denitrization |
KR100201748B1 (ko) * | 1990-05-28 | 1999-06-15 | 사또 다께오 | 배기가스로부터 질소산화물을 제거하는 방법 |
US5192515A (en) * | 1990-09-20 | 1993-03-09 | Molecular Technology Corporation | Reduction of nitrogen oxide and carbon monoxide in effluent gases |
JP2773428B2 (ja) * | 1990-11-28 | 1998-07-09 | トヨタ自動車株式会社 | 排気ガス浄化方法 |
US5330945A (en) * | 1991-04-08 | 1994-07-19 | General Motors Corporation | Catalyst for treatment of diesel exhaust particulate |
NL9302288A (nl) * | 1993-12-31 | 1995-07-17 | Univ Delft Tech | Werkwijze voor het behandelen van stikstofoxiden-bevattend gas onder toepassing van een ceriumzeoliet. |
US20020014071A1 (en) * | 1998-10-01 | 2002-02-07 | Mari Lou Balmer | Catalytic plasma reduction of nox |
US6685897B1 (en) * | 2000-01-06 | 2004-02-03 | The Regents Of The University Of California | Highly-basic large-pore zeolite catalysts for NOx reduction at low temperatures |
DE102013015117A1 (de) * | 2013-09-12 | 2015-03-12 | Johnson Matthey Catalysts (Germany) Gmbh | Katalysator sowie Verfahren zur Stickoxidminderung in einem Abgas |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013986A (en) * | 1958-09-24 | 1961-12-19 | Union Carbide Corp | Metal-loaded molecular sieves |
US3210267A (en) * | 1965-04-20 | 1965-10-05 | Socony Mobil Oil Co Inc | Catalytic cracking of hydrocarbons with the use of a crystalline zeolite catalyst containing rare earths and a porous matrix |
GB1417546A (en) * | 1971-11-22 | 1975-12-10 | Johnson Matthey Co Ltd | Catalytic reduction of oxides of nitrogen |
US3808327A (en) * | 1972-02-03 | 1974-04-30 | E Roberts | Method for converting nitric oxide to nitrogen dioxide and recovery thereof |
JPS5850777B2 (ja) * | 1975-03-28 | 1983-11-12 | トウアネンリヨウコウギヨウ カブシキガイシヤ | チツソサンカブツノカンゲンヨウシヨクバイ |
US4104361A (en) * | 1975-03-28 | 1978-08-01 | Exxon Research & Engineering Co. | Catalyst for reduction of nitrogen oxides and process for preparing the same |
GB1560184A (en) * | 1977-05-31 | 1980-01-30 | Caterpillar Tractor Co | Dual catalyst nitric oxide reduction |
US4258020A (en) * | 1978-04-10 | 1981-03-24 | Uop Inc. | Process for the simultaneous separation of sulfur and nitrogen oxides from a gaseous mixture |
US4297328A (en) * | 1979-09-28 | 1981-10-27 | Union Carbide Corporation | Three-way catalytic process for gaseous streams |
FR2500326B1 (fr) * | 1981-02-20 | 1986-05-23 | Catalyse Soc Prod Francais | Nouveau procede de preparation d'un catalyseur d'hydrocraquage |
US4429053A (en) * | 1981-12-04 | 1984-01-31 | Union Oil Company Of California | Rare earth-containing Y zeolite compositions |
JPS60106535A (ja) * | 1983-11-16 | 1985-06-12 | Mitsubishi Heavy Ind Ltd | 廃ガス処理用触媒 |
DE3428232A1 (de) * | 1984-07-31 | 1986-02-06 | Süd-Chemie AG, 8000 München | Katalysator zur entfernung von stickoxiden aus abgasen |
-
1986
- 1986-10-08 DE DE19863634243 patent/DE3634243A1/de not_active Withdrawn
-
1987
- 1987-09-29 ES ES198787114160T patent/ES2037047T3/es not_active Expired - Lifetime
- 1987-09-29 AT AT87114160T patent/ATE75969T1/de not_active IP Right Cessation
- 1987-09-29 EP EP87114160A patent/EP0263399B1/de not_active Expired - Lifetime
- 1987-09-29 DE DE8787114160T patent/DE3779039D1/de not_active Expired - Fee Related
- 1987-10-05 US US07/104,064 patent/US4935393A/en not_active Expired - Fee Related
-
1989
- 1989-02-21 US US07/313,050 patent/US4950461A/en not_active Expired - Fee Related
-
1992
- 1992-05-27 GR GR910402139T patent/GR3004727T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
EP0263399B1 (de) | 1992-05-13 |
ATE75969T1 (de) | 1992-05-15 |
EP0263399A1 (de) | 1988-04-13 |
US4950461A (en) | 1990-08-21 |
DE3634243A1 (de) | 1988-04-21 |
US4935393A (en) | 1990-06-19 |
DE3779039D1 (de) | 1992-06-17 |
GR3004727T3 (es) | 1993-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES2037047T3 (es) | Procedimiento para la reduccion catalitica de oxidos de nitrogeno. | |
ES2054957T5 (es) | Procedimiento para la reduccion de oxidos de nitrogeno contenidos en gases de escape mediante un catalizador conteniendo zeolita. | |
MX9302276A (es) | Catalizador para la purificacion oxidativa de los gases de excape de motores diesel. | |
ES2060917T3 (es) | Procedimiento para la reduccion de oxidos nitricos contenidos en gases de escape. | |
AR031734A1 (es) | Unidad de tratamiento de gases de escape para la reduccion catalitica selectiva de oxidos de nitrogeno en condiciones de gases de escape pobres y un proceso para el tratamiento de gases de escape | |
DE58901352D1 (de) | Abgaskatalysatoranordnung. | |
NO873958D0 (no) | Syntesegassomdannelseskatalysator, fremgangsmaate for fremstilling, samt anvendelse derav. | |
DK628589A (da) | Fremgangsmaade til reduktion af nitrogenoxider i afgangsgasser | |
ATE26413T1 (de) | Katalysator fuer die behandlung von abgasen. | |
FI96746B (fi) | Pakokaasukatalysaattori, jolla on vähentynyt taipumus rikkioksidien varastointiin ja rikkivetypäästöön | |
BR8700930A (pt) | Conjunto de valvula de recirculacao de gases de escape | |
DE68906099D1 (de) | Durch stanzverfahren hergestellter schalldaempfer und katalytische konvertereinheit. | |
EP0148358A3 (en) | Catalyst for burning and converting gases and higher hydrocarbons, device for the reduction of nitrogen oxides, and off-gass afterburner with such a catalyst | |
DE69003001D1 (de) | Katalysator für die Reinigung von Abgasen. | |
DE3873318D1 (de) | Abgasbehandlung fuer einen zweitaktmotor. | |
BR9403166A (pt) | Catalisador de gás de escape | |
DE58901910D1 (de) | Abgaskatalysator mit metallmonolith. | |
DE59002823D1 (de) | Abgasvorrichtung, insbesondere Abgasreinigungsvorrichtung. | |
NO20000888D0 (no) | Forbedringer vedrørende katalysatorer | |
JPS5224996A (en) | Process for producing catalist for the reduction of nitrogen oxides | |
JPS5218486A (en) | Catalyst for removing nox in exhaust gas | |
AR212728A1 (es) | Procedimiento para la incineracion catalitica de gases de desecho que contienen sulfuro de hidrogeno y una composicion de catalizador empleada en el mismo | |
DE69021692D1 (de) | Hitzestabile Edelstahlfolie für Katalysatorträger in Verbrennungsabgasreinigern. | |
IT1188371B (it) | Procedimento per fabbricare un corpo portatore in metallo er un convertitore per depurare i gas di scarico e corpo portatore in metallo prodotto secondo questo procedimento | |
NO874061D0 (no) | Katalysatoranordning for reduksjon av nitrogenoksidmengder i roekgasser. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
Ref document number: 263399 Country of ref document: ES |