BR112012027087A2 - meteriais de óxidos mistos para redução catalítica seletiva de óxidos de nitrogênio em gases de exaustão - Google Patents
meteriais de óxidos mistos para redução catalítica seletiva de óxidos de nitrogênio em gases de exaustãoInfo
- Publication number
- BR112012027087A2 BR112012027087A2 BR112012027087A BR112012027087A BR112012027087A2 BR 112012027087 A2 BR112012027087 A2 BR 112012027087A2 BR 112012027087 A BR112012027087 A BR 112012027087A BR 112012027087 A BR112012027087 A BR 112012027087A BR 112012027087 A2 BR112012027087 A2 BR 112012027087A2
- Authority
- BR
- Brazil
- Prior art keywords
- oxide
- catalytic reduction
- selective catalytic
- exhaust gases
- nitrogen oxides
- Prior art date
Links
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title abstract 9
- 238000010531 catalytic reduction reaction Methods 0.000 title abstract 3
- 239000007789 gas Substances 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 title abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 4
- 229910021529 ammonia Inorganic materials 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 2
- 239000011149 active material Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 229910000420 cerium oxide Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910000484 niobium oxide Inorganic materials 0.000 abstract 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 abstract 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 abstract 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- 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
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- 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
- B01D53/9459—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts
- B01D53/9463—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick
- B01D53/9472—Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts with catalysts positioned on one brick in different zones
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B01J23/20—Vanadium, niobium or tantalum
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
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- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
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- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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- B01J29/7049—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
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- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2370/00—Selection of materials for exhaust purification
- F01N2370/02—Selection of materials for exhaust purification used in catalytic reactors
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- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
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Abstract
materiais de óixidos mistos para redução catalítica seletiva de óxidos de nitrogênio em gases de exaustão. a presente invenção refere-se ao uso de óxidos mistos de óxido de cério, óxido de zircônio, sesquióxido de terras-raras e óxido de nióbio como materiais cataliticamente ativos para redução catalítica seletiva de óxido de nitrogênio com amônia ou um composto que se decompõe formando amônia no gás de exaustão de motores de combustão interna preponderantemente pobre, em veículos a motor, assim como composições e/ou catalisadores que contêm esses óxidos mistos em combinação com compostos semelhantes a zeólitos e que são apropriados para desnitrogenação de gases de exaustão de veículos a notor com combustão pobre em todos os estados de funcionamento essenciais.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10004198 | 2010-04-20 | ||
PCT/EP2011/001944 WO2011131324A1 (de) | 2010-04-20 | 2011-04-16 | Neue mischoxid-materialien zur selektiven katalytischen reduktion von stickoxiden in abgasen |
Publications (1)
Publication Number | Publication Date |
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BR112012027087A2 true BR112012027087A2 (pt) | 2016-07-26 |
Family
ID=42753506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012027087A BR112012027087A2 (pt) | 2010-04-20 | 2011-04-16 | meteriais de óxidos mistos para redução catalítica seletiva de óxidos de nitrogênio em gases de exaustão |
Country Status (7)
Country | Link |
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US (1) | US8617497B2 (pt) |
EP (1) | EP2560755A1 (pt) |
JP (1) | JP5771267B2 (pt) |
KR (1) | KR20130097076A (pt) |
CN (1) | CN102844112B (pt) |
BR (1) | BR112012027087A2 (pt) |
WO (1) | WO2011131324A1 (pt) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2965189A1 (fr) * | 2010-09-29 | 2012-03-30 | Rhodia Operations | Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium |
FR2972366B1 (fr) * | 2011-03-08 | 2016-01-15 | Rhodia Operations | Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base de zirconium, de cerium et de niobium |
WO2012168277A1 (de) * | 2011-06-07 | 2012-12-13 | Umicore Ag & Co. Kg | Katalysator zur selektiven katalytischen reduktion von stickoxiden im abgas von dieselmotoren |
JP5938819B2 (ja) | 2011-10-06 | 2016-06-22 | 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 | 排気ガス処理用酸化触媒 |
GB201200784D0 (en) | 2011-12-12 | 2012-02-29 | Johnson Matthey Plc | Exhaust system for a lean-burn internal combustion engine including SCR catalyst |
GB2497597A (en) | 2011-12-12 | 2013-06-19 | Johnson Matthey Plc | A Catalysed Substrate Monolith with Two Wash-Coats |
GB201200783D0 (en) * | 2011-12-12 | 2012-02-29 | Johnson Matthey Plc | Substrate monolith comprising SCR catalyst |
GB201200781D0 (en) | 2011-12-12 | 2012-02-29 | Johnson Matthey Plc | Exhaust system for a lean-burn ic engine comprising a pgm component and a scr catalyst |
DE102013003112B4 (de) * | 2013-02-25 | 2017-06-14 | Umicore Ag & Co. Kg | SCR-Katalysator mit verbessertem NOx-Umsatz |
JP6101519B2 (ja) * | 2013-03-13 | 2017-03-22 | 東京濾器株式会社 | 触媒ユニット |
CA2902414A1 (en) * | 2013-03-14 | 2014-10-02 | Basf Corporation | Selective catalytic reduction catalyst system |
US9017626B2 (en) * | 2013-03-14 | 2015-04-28 | Basf Corporation | Selective catalytic reduction catalyst system |
JP6326580B2 (ja) * | 2013-04-24 | 2018-05-23 | 株式会社 Acr | NOx還元触媒手段を備えた排気ガス浄化装置 |
US20150051067A1 (en) * | 2013-08-19 | 2015-02-19 | Cdti | Oxygen storage material without rare earth metals |
DE102014119178A1 (de) * | 2013-12-30 | 2015-07-02 | Johnson Matthey Public Limited Company | Selektive katalytische Reduktionsverfahren unter Verwendung von dotierten Ceroxiden |
US10626772B2 (en) | 2014-07-18 | 2020-04-21 | Cummins Inc. | SCR exhaust aftertreatment apparatus, system and methods including multiple washcoat formulations |
CN104474887B (zh) * | 2014-11-24 | 2016-10-19 | 黄晓研 | 干法水泥窑用脱硫脱硝复合剂制备及使用方法 |
US9757691B2 (en) * | 2015-11-06 | 2017-09-12 | Paccar Inc | High efficiency and durability selective catalytic reduction catalyst |
US10188986B2 (en) | 2015-11-06 | 2019-01-29 | Paccar Inc | Electrochemical reductant generation while dosing DEF |
US9764287B2 (en) | 2015-11-06 | 2017-09-19 | Paccar Inc | Binary catalyst based selective catalytic reduction filter |
US10058819B2 (en) | 2015-11-06 | 2018-08-28 | Paccar Inc | Thermally integrated compact aftertreatment system |
CN105617857B (zh) * | 2016-01-06 | 2017-12-01 | 昆明理工大学 | 一种ph3选择性低温催化还原no的方法 |
EP3281699A1 (de) | 2016-08-11 | 2018-02-14 | Umicore AG & Co. KG | Partikelfilter mit scr-aktiver beschichtung |
EP3296009B1 (de) | 2016-09-20 | 2019-03-27 | Umicore AG & Co. KG | Partikelfilter mit scr-aktiver beschichtung |
KR20190091362A (ko) | 2016-12-20 | 2019-08-05 | 우미코레 아게 운트 코 카게 | 바나듐 산화물 및 철을 함유하는 분자체를 함유하는 scr 촉매 장치 |
US11229901B2 (en) * | 2016-12-20 | 2022-01-25 | Umicore Ag & Co. Kg | SCR catalyst device containing vanadium oxide and molecular sieve containing iron |
US10835866B2 (en) | 2017-06-02 | 2020-11-17 | Paccar Inc | 4-way hybrid binary catalysts, methods and uses thereof |
US10675586B2 (en) | 2017-06-02 | 2020-06-09 | Paccar Inc | Hybrid binary catalysts, methods and uses thereof |
CN111372678A (zh) * | 2017-10-03 | 2020-07-03 | 巴斯夫公司 | Scr催化剂组合物、催化剂和结合有该催化剂的催化剂体系 |
EP3482824A1 (de) * | 2017-11-14 | 2019-05-15 | Umicore Ag & Co. Kg | Scr-katalysator |
US11007514B2 (en) | 2019-04-05 | 2021-05-18 | Paccar Inc | Ammonia facilitated cation loading of zeolite catalysts |
US10906031B2 (en) | 2019-04-05 | 2021-02-02 | Paccar Inc | Intra-crystalline binary catalysts and uses thereof |
CN112237911A (zh) * | 2019-08-27 | 2021-01-19 | 启源(西安)大荣环保科技有限公司 | 一种宽温域scr波纹式脱硝催化剂及其制备方法 |
US10934918B1 (en) | 2019-10-14 | 2021-03-02 | Paccar Inc | Combined urea hydrolysis and selective catalytic reduction for emissions control |
DE102021118802A1 (de) * | 2021-07-21 | 2023-01-26 | Umicore Ag & Co. Kg | Abgasreinigungssystem zur Reinigung von Abgasen von Benzinmotoren |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4782039A (en) | 1986-05-19 | 1988-11-01 | Johnson Matthey, Inc. | Selective catalytic reduction catalyst and a process for preparing the catalyst |
CA1298957C (en) | 1987-01-27 | 1992-04-21 | Motonobu Kobayashi | Method for removal of nitrogen oxides from exhaust gas of diesel engine |
DE3906136C1 (pt) | 1989-02-28 | 1990-08-09 | Degussa Ag, 6000 Frankfurt, De | |
US4961917A (en) | 1989-04-20 | 1990-10-09 | Engelhard Corporation | Method for reduction of nitrogen oxides with ammonia using promoted zeolite catalysts |
US5057483A (en) * | 1990-02-22 | 1991-10-15 | Engelhard Corporation | Catalyst composition containing segregated platinum and rhodium components |
JP2591703B2 (ja) * | 1992-12-14 | 1997-03-19 | 財団法人石油産業活性化センター | 窒素酸化物接触還元用触媒構造体 |
US5552128A (en) | 1993-08-03 | 1996-09-03 | Mobil Oil Corporation | Selective catalytic reduction of nitrogen oxides |
US5898014A (en) * | 1996-09-27 | 1999-04-27 | Engelhard Corporation | Catalyst composition containing oxygen storage components |
DE10020100A1 (de) | 2000-04-22 | 2001-10-31 | Dmc2 Degussa Metals Catalysts | Verfahren und Katalysator zur Reduktion von Stickoxiden |
DE10022842A1 (de) | 2000-05-10 | 2001-11-22 | Dmc2 Degussa Metals Catalysts | Strukturierter Katalysator für die selektive Reduktion von Stickoxiden mittels Ammoniak unter Verwendung einer zu Ammoniak hydrolysierbaren Verbindung |
US6468941B1 (en) | 2000-10-17 | 2002-10-22 | Delphi Technologies, Inc. | Niobium containing zirconium-cerium based soild solutions |
US6689709B1 (en) | 2000-11-15 | 2004-02-10 | Engelhard Corporation | Hydrothermally stable metal promoted zeolite beta for NOx reduction |
JP4030320B2 (ja) * | 2001-03-22 | 2008-01-09 | 株式会社デンソー | セラミック体およびセラミック触媒体 |
US6914026B2 (en) | 2001-09-07 | 2005-07-05 | Engelhard Corporation | Hydrothermally stable metal promoted zeolite beta for NOx reduction |
US20030073566A1 (en) * | 2001-10-11 | 2003-04-17 | Marshall Christopher L. | Novel catalyst for selective NOx reduction using hydrocarbons |
CN101018740B (zh) * | 2004-09-16 | 2012-03-21 | 第一稀元素化学工业株式会社 | 铈/锆基复合氧化物、其制造方法、利用所述铈/锆基复合氧化物的氧储存/释放材料、废气净化催化剂和废气净化方法 |
JP4686553B2 (ja) | 2005-02-28 | 2011-05-25 | 田中貴金属工業株式会社 | 炭化水素またはアルコールにより排気流中の窒素酸化物を還元するための触媒および方法 |
WO2006119311A2 (en) * | 2005-05-02 | 2006-11-09 | Symyx Technologies, Inc. | High surface area metal and metal oxide materials and methods of making same |
EP2040834B2 (de) | 2006-07-08 | 2019-10-30 | Umicore AG & Co. KG | Strukturierter scr-katalysator zur reduktion von stickoxiden im abgas von magermotoren unter verwendung von ammoniak als reduktionsmittel |
JP2008049290A (ja) | 2006-08-25 | 2008-03-06 | Tokyo Roki Co Ltd | 窒素酸化物を浄化する触媒、方法、及び装置 |
US20080095682A1 (en) * | 2006-10-19 | 2008-04-24 | Kharas Karl C | Ce-Zr-R-O CATALYSTS, ARTICLES COMPRISING THE Ce Zr R O CATALYSTS AND METHODS OF MAKING AND USING THE Ce-Zr-R-O CATALYSTS |
KR101434936B1 (ko) | 2006-10-23 | 2014-08-27 | 우미코레 아게 운트 코 카게 | 선택적 촉매 환원용 바나듐 비함유 촉매 및 이의 제조방법 |
ATE460973T1 (de) | 2008-04-11 | 2010-04-15 | Umicore Ag & Co Kg | Abgasreinigungssystem zur behandlung von motorenabgasen mittels scr-katalysator |
WO2010064497A1 (ja) * | 2008-12-03 | 2010-06-10 | 第一稀元素化学工業株式会社 | 排気ガス浄化触媒、それを用いた排気ガス浄化装置、及び排気ガス浄化方法 |
US8017097B1 (en) * | 2010-03-26 | 2011-09-13 | Umicore Ag & Co. Kg | ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts |
FR2962431B1 (fr) * | 2010-07-07 | 2018-01-19 | Rhodia Operations | Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse. |
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- 2011-04-16 US US13/642,048 patent/US8617497B2/en active Active
- 2011-04-16 EP EP11716376A patent/EP2560755A1/de not_active Withdrawn
- 2011-04-16 CN CN201180018976.6A patent/CN102844112B/zh active Active
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- 2011-04-16 JP JP2013505359A patent/JP5771267B2/ja active Active
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WO2011131324A1 (de) | 2011-10-27 |
CN102844112A (zh) | 2012-12-26 |
JP2013527799A (ja) | 2013-07-04 |
EP2560755A1 (de) | 2013-02-27 |
US20130121902A1 (en) | 2013-05-16 |
CN102844112B (zh) | 2015-05-13 |
KR20130097076A (ko) | 2013-09-02 |
US8617497B2 (en) | 2013-12-31 |
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