BR112012024344A2 - zrox, ce-zrox, ce-zr-reox como matrizes hospedeiras para cátions ativos redox para catalisadores scr de baixa temperatura, hidrotermicamente duráveis e resistentes ao veneno - Google Patents
zrox, ce-zrox, ce-zr-reox como matrizes hospedeiras para cátions ativos redox para catalisadores scr de baixa temperatura, hidrotermicamente duráveis e resistentes ao venenoInfo
- Publication number
- BR112012024344A2 BR112012024344A2 BR112012024344A BR112012024344A BR112012024344A2 BR 112012024344 A2 BR112012024344 A2 BR 112012024344A2 BR 112012024344 A BR112012024344 A BR 112012024344A BR 112012024344 A BR112012024344 A BR 112012024344A BR 112012024344 A2 BR112012024344 A2 BR 112012024344A2
- Authority
- BR
- Brazil
- Prior art keywords
- zrox
- reox
- low temperature
- catalysts
- redox active
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title abstract 4
- 150000001768 cations Chemical class 0.000 title abstract 3
- 239000002574 poison Substances 0.000 title abstract 3
- 231100000614 poison Toxicity 0.000 title abstract 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- 238000010531 catalytic reduction reaction Methods 0.000 abstract 1
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
Classifications
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- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
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- 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
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- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- 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
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- 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
- B01J23/30—Tungsten
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B01J23/83—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 rare earths or actinides
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- 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
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- 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
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- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
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- B01J29/064—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing iron group metals, noble metals or copper
- B01J29/072—Iron group metals or copper
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- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
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- 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
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
- B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
- B01J29/46—Iron group metals or copper
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- 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
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7007—Zeolite Beta
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7015—CHA-type, e.g. Chabazite, LZ-218
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J29/72—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65 containing iron group metals, noble metals or copper
- B01J29/7215—Zeolite Beta
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
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- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0027—Powdering
- B01J37/0036—Grinding
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- B01J37/02—Impregnation, coating or precipitation
- B01J37/024—Multiple impregnation or coating
- B01J37/0246—Coatings comprising a zeolite
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- B01D2251/2067—Urea
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- B01D2255/20738—Iron
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- B01D2255/407—Zr-Ce mixed oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01D2255/502—Beta zeolites
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- B01D2258/012—Diesel engines and lean burn gasoline engines
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- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Catalysts (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
zrox, ce-zrox, ce-zr-reox com matrizes hospedeiras para cátions ativos redox para catalisadores scr de baixa temperatura, hidrotermicamente duráveis e resistentes ao veneno. a presente invenção se refere à aplicação de catalisadores para os óxidos de redução catalítica seletiva de óxidos de nitrogênio usando redutor contendo n. os catalisadores são caracterizados como materiais de óxido de malha de pureza de fase, cujos cátions cataliticamente ativos são incorporados em altos níveis de dispersão de modo que a análise convencional revela um material de fase altamente pura. os materiais são ainda caracterizados por atividades alta, durabilidade hidrotérmica e tolerância a veneno na aplicação pretendida.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/732,819 US8017097B1 (en) | 2010-03-26 | 2010-03-26 | ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts |
PCT/EP2011/001354 WO2011116907A2 (en) | 2010-03-26 | 2011-03-19 | Zrox, ce-zrox, ce-zr-reox as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant scr catalysts |
Publications (1)
Publication Number | Publication Date |
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BR112012024344A2 true BR112012024344A2 (pt) | 2017-07-18 |
Family
ID=44544737
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012024344A BR112012024344A2 (pt) | 2010-03-26 | 2011-03-19 | zrox, ce-zrox, ce-zr-reox como matrizes hospedeiras para cátions ativos redox para catalisadores scr de baixa temperatura, hidrotermicamente duráveis e resistentes ao veneno |
Country Status (6)
Country | Link |
---|---|
US (1) | US8017097B1 (pt) |
EP (1) | EP2552831A2 (pt) |
JP (1) | JP5841123B2 (pt) |
CN (1) | CN102781572A (pt) |
BR (1) | BR112012024344A2 (pt) |
WO (1) | WO2011116907A2 (pt) |
Families Citing this family (38)
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RU2506989C2 (ru) | 2007-04-26 | 2014-02-20 | Джонсон Мэттей Паблик Лимитед Компани | Катализаторы скв: переходный металл/цеолит |
US9403151B2 (en) | 2009-01-30 | 2016-08-02 | Umicore Ag & Co. Kg | Basic exchange for enhanced redox OS materials for emission control applications |
US8529853B2 (en) * | 2010-03-26 | 2013-09-10 | 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 |
CN102844112B (zh) * | 2010-04-20 | 2015-05-13 | 尤米科尔股份公司及两合公司 | 用于在废气中选择性催化还原氮氧化物的新的混合氧化物 |
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CN102000560B (zh) * | 2010-12-01 | 2014-03-26 | 中国科学院生态环境研究中心 | 一种用于催化净化氮氧化物的铈基复合氧化物催化剂 |
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JP6179572B2 (ja) | 2015-09-11 | 2017-08-16 | トヨタ自動車株式会社 | 内燃機関の排気浄化システム |
US10344643B2 (en) | 2015-09-24 | 2019-07-09 | Honda Motor Co., Ltd. | Exhaust purification system of internal combustion engine |
CN108138617B (zh) * | 2015-09-24 | 2020-11-06 | 本田技研工业株式会社 | 废气净化过滤器 |
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US20110236282A1 (en) | 2011-09-29 |
EP2552831A2 (en) | 2013-02-06 |
JP2013523419A (ja) | 2013-06-17 |
CN102781572A (zh) | 2012-11-14 |
JP5841123B2 (ja) | 2016-01-13 |
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