RU2015107890A - Композиты катализаторов окисления дизельного топлива - Google Patents
Композиты катализаторов окисления дизельного топлива Download PDFInfo
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- RU2015107890A RU2015107890A RU2015107890A RU2015107890A RU2015107890A RU 2015107890 A RU2015107890 A RU 2015107890A RU 2015107890 A RU2015107890 A RU 2015107890A RU 2015107890 A RU2015107890 A RU 2015107890A RU 2015107890 A RU2015107890 A RU 2015107890A
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- Prior art keywords
- porous oxide
- layer
- oxidation catalyst
- substrate
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- 239000003054 catalyst Substances 0.000 title claims abstract 31
- 239000002131 composite material Substances 0.000 title claims abstract 27
- 230000003647 oxidation Effects 0.000 title claims abstract 21
- 238000007254 oxidation reaction Methods 0.000 title claims abstract 21
- 239000002283 diesel fuel Substances 0.000 title claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract 40
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract 39
- 239000011248 coating agent Substances 0.000 claims abstract 22
- 238000000576 coating method Methods 0.000 claims abstract 22
- 239000010410 layer Substances 0.000 claims abstract 21
- 239000000758 substrate Substances 0.000 claims abstract 19
- 239000007789 gas Substances 0.000 claims abstract 16
- 229910052763 palladium Inorganic materials 0.000 claims abstract 13
- 229910052697 platinum Inorganic materials 0.000 claims abstract 10
- 239000011247 coating layer Substances 0.000 claims abstract 9
- 239000000463 material Substances 0.000 claims abstract 8
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract 8
- 150000004706 metal oxides Chemical class 0.000 claims abstract 8
- 239000003870 refractory metal Substances 0.000 claims abstract 8
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract 7
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract 7
- 239000010457 zeolite Substances 0.000 claims abstract 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract 5
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract 5
- 229930195733 hydrocarbon Natural products 0.000 claims abstract 5
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract 5
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract 4
- 229910052751 metal Inorganic materials 0.000 claims abstract 4
- 239000002184 metal Substances 0.000 claims abstract 4
- 229910052788 barium Inorganic materials 0.000 claims abstract 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract 3
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims 4
- 239000000203 mixture Substances 0.000 claims 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 239000010949 copper Substances 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 claims 1
- 229910003446 platinum oxide Inorganic materials 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 229910001935 vanadium oxide Inorganic materials 0.000 claims 1
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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
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- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
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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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2510/00—Surface coverings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
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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
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
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Abstract
1. Композит катализатора окисления для снижения выбросов отработавшего газа двигателя, работающего на обедненных смесях, содержащий:подложку носителя, которая имеет протяженность, входной конец и выходной конец, каталитический материал катализатора окисления на подложке, при этом каталитический материал катализатора окисления включает нижний слой покрытия из пористого оксида и верхний слой покрытия из пористого оксида;при этом нижний слой покрытия из пористого оксида включает подложку из тугоплавкого оксида металла, платиновый (Pt) компонент и палладиевый (Pd) компонент в массовом соотношении Pt к Pd в диапазоне, который составляет приблизительно 4:1-1:4; иверхний слой покрытия из пористого оксида включает цеолит, Pt и подложку из тугоплавкого оксида металла, верхний слой покрытия из пористого оксида в основном не содержит палладий, при этом композит катализатора окисления является эффективным для уменьшения углеводорода и монооксида углерода, и окисляет NO до NOв выхлопных газах двигателя, работающего на обедненных смесях.2. Композит по п. 1, где верхнее покрытие из пористого оксида в основном не содержит барий и нижний слой покрытия из пористого оксида в основном не содержит цеолит.3. Композит по п. 1 или 2, где нижний слой покрытия из пористого оксида содержит компонент Pt в количестве в диапазоне, который составляет приблизительно 5-85 г/фут, и содержит компонент Pd в количестве в диапазоне, который составляет приблизительно 5-50 г/фут.4. Композит по любому из пп. 1-2, где композит имеет массовое соотношение металла платиновой группы в верхнем слое к металлу платиновой группы в нижнем слое в диапазоне, который составляет 1:1-4:1.5. Композит по любому из пп. 1-2, где верхнее
Claims (15)
1. Композит катализатора окисления для снижения выбросов отработавшего газа двигателя, работающего на обедненных смесях, содержащий:
подложку носителя, которая имеет протяженность, входной конец и выходной конец, каталитический материал катализатора окисления на подложке, при этом каталитический материал катализатора окисления включает нижний слой покрытия из пористого оксида и верхний слой покрытия из пористого оксида;
при этом нижний слой покрытия из пористого оксида включает подложку из тугоплавкого оксида металла, платиновый (Pt) компонент и палладиевый (Pd) компонент в массовом соотношении Pt к Pd в диапазоне, который составляет приблизительно 4:1-1:4; и
верхний слой покрытия из пористого оксида включает цеолит, Pt и подложку из тугоплавкого оксида металла, верхний слой покрытия из пористого оксида в основном не содержит палладий, при этом композит катализатора окисления является эффективным для уменьшения углеводорода и монооксида углерода, и окисляет NO до NO2 в выхлопных газах двигателя, работающего на обедненных смесях.
2. Композит по п. 1, где верхнее покрытие из пористого оксида в основном не содержит барий и нижний слой покрытия из пористого оксида в основном не содержит цеолит.
3. Композит по п. 1 или 2, где нижний слой покрытия из пористого оксида содержит компонент Pt в количестве в диапазоне, который составляет приблизительно 5-85 г/фут3, и содержит компонент Pd в количестве в диапазоне, который составляет приблизительно 5-50 г/фут3.
4. Композит по любому из пп. 1-2, где композит имеет массовое соотношение металла платиновой группы в верхнем слое к металлу платиновой группы в нижнем слое в диапазоне, который составляет 1:1-4:1.
5. Композит по любому из пп. 1-2, где верхнее покрытие из пористого оксида содержит платину в диапазоне, который составляет приблизительно 60-120 г/фут3, и нижний слой покрытия из пористого оксида содержит платину и палладий в массовом соотношении, которое составляет приблизительно 1:4-1:1.
6. Композит по любому из пп. 1-2, где верхнее покрытие из пористого оксида содержит платину в диапазоне, который составляет приблизительно 10-60 г/фут3, и нижний слой покрытия из пористого оксида содержит платину и палладий в соотношении платины к палладию в диапазоне, который составляет приблизительно 1:1-4:1.
7. Композит катализатора окисления для снижения выбросов отработавшего газа двигателя, работающего на обедненных смесях, содержащий:
подложку носителя, которая имеет протяженность, входной конец и выходной конец, каталитический материал катализатора окисления на подложке, при этом каталитический материал катализатора окисления включает нижний слой покрытия из пористого оксида и верхний слой покрытия из пористого оксида;
при этом нижний слой покрытия из пористого оксида включает подложку из тугоплавкого оксида металла, платиновый (Pt) компонент и палладиевый (Pd) компонент в массовом соотношении Pt к Pd в диапазоне, который составляет приблизительно 9:1-1:4; и
верхний слой покрытия из пористого оксида включает цеолит, подложку из тугоплавкого оксида металла, платиновый компонент (Pt) и палладиевый компонент (Pd) в массовом соотношении Pt к Pd в диапазоне, который составляет приблизительно 1:1-100:1, при этом композит катализатора окисления является эффективным для уменьшения углеводорода и монооксида углерода, и окисляет NO до NO2 в выхлопных газах двигателя, работающего на обедненных смесях.
8. Композит по п. 7, где верхнее покрытие из пористого оксида дополнительно содержит оксид бария в диапазоне, который составляет приблизительно 3-30 г/фут3.
9. Композит катализатора окисления для снижения выбросов отработавшего газа двигателя, работающего на обедненных смесях, содержащий:
подложку носителя, которая имеет протяженность, входной конец и выходной конец, каталитический материал катализатора окисления на подложке, при этом каталитический материал катализатора окисления включает нижний слой покрытия из пористого оксида и верхний слой покрытия из пористого оксида;
при этом верхний слой покрытия из пористого оксида включает тугоплавкий оксид металла, цеолит и платиновый компонент (Pt) и палладиевый компонент (Pd) в массовом соотношении Pt к Pd в диапазоне, который составляет приблизительно 9:1-1:4; и
нижний слой покрытия из пористого оксида включает Pt и подложку из тугоплавкого оксида металла, при этом композит катализатора окисления является эффективным для уменьшения углеводорода и монооксида углерода, и окисляет NO до NO2 в выхлопных газах двигателя, работающего на обедненных смесях.
10. Композит по п. 9, где нижний слой покрытия из пористого оксида в основном не содержит палладий и в основном не содержит барий.
11. Композит по п. 9 или 10, где нижний слой покрытия из пористого оксида дополнительно содержит палладиевый компонент, при этом платиновый компонент и палладиевый компонент присутствуют в массовом соотношении Pt к Pd в диапазоне, который составляет приблизительно 1:1-100:1.
12. Композит по любому из пп. 9-10, где нижний слой покрытия из пористого оксида дополнительно содержит оксид бария в диапазоне, который составляет приблизительно 3-30 г/фут3.
13. Способ обработки отработавшего газа двигателя, работающего на обедненных смесях, содержащий протекание отработавшего газа через сотовую подложку, покрытую композитом катализатора окисления по любому из пп. 1-12, где катализатор окисления дизельного топлива является эффективным для уменьшения CO и УВ, и окисляет NO до NO2 из потока отработавшего газа.
14. Система для обработки выбросов отработавшего газа двигателя, работающего на обедненных смесях, включающего углеводороды, монооксид углерода, и другие компоненты выхлопных газов, при этом система обработки выбросов содержит:
выхлопную трубу, которая посредством выпускного коллектора подвижно соединена с двигателем, работающим на обедненных смесях;
композит катализатора окисления по любому из пп. 1-12, где подложка носителя представляет собой проточную подложку или подложку с прохождением потока вдоль стенок; и
катализируемый сажевый фильтр и композицию катализатора ИКН, расположенные ниже по потоку от композита катализатора окисления.
15. Система по п. 14, где композиция катализатора ИКН содержит оксид ванадия, отложенный на W-легированный диоксид титана или на активированный железом или медью цеолит с небольшими порами, образованными 8-членными кольцами.
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2012
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2013
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- 2013-08-28 KR KR1020217001245A patent/KR102331809B1/ko active IP Right Grant
- 2013-08-28 JP JP2015526769A patent/JP6411344B2/ja active Active
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- 2013-08-28 CA CA2881556A patent/CA2881556A1/en not_active Abandoned
- 2013-08-28 MX MX2015001849A patent/MX2015001849A/es unknown
- 2013-08-28 PL PL13770986T patent/PL2882523T3/pl unknown
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PL2882523T3 (pl) | 2020-11-16 |
CA2881556A1 (en) | 2014-02-13 |
WO2014026203A2 (en) | 2014-02-13 |
KR102331809B1 (ko) | 2021-12-01 |
WO2014026203A3 (en) | 2014-04-24 |
KR20210148374A (ko) | 2021-12-07 |
ES2811574T3 (es) | 2021-03-12 |
KR20210008176A (ko) | 2021-01-20 |
EP2882523A2 (en) | 2015-06-17 |
JP2015526284A (ja) | 2015-09-10 |
US8568674B1 (en) | 2013-10-29 |
KR20160037824A (ko) | 2016-04-06 |
KR102205355B1 (ko) | 2021-01-20 |
ZA201501572B (en) | 2017-02-22 |
JP6411344B2 (ja) | 2018-10-24 |
MX2015001849A (es) | 2016-09-23 |
KR102492771B1 (ko) | 2023-01-27 |
EP2882523B1 (en) | 2020-05-27 |
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