RU2016129040A - Содержащий марганец дизельный катализатор окисления - Google Patents
Содержащий марганец дизельный катализатор окисления Download PDFInfo
- Publication number
- RU2016129040A RU2016129040A RU2016129040A RU2016129040A RU2016129040A RU 2016129040 A RU2016129040 A RU 2016129040A RU 2016129040 A RU2016129040 A RU 2016129040A RU 2016129040 A RU2016129040 A RU 2016129040A RU 2016129040 A RU2016129040 A RU 2016129040A
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- RU
- Russia
- Prior art keywords
- oxidation catalyst
- catalyst composite
- coating layer
- washcoat coating
- substrate
- Prior art date
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- 239000003054 catalyst Substances 0.000 title claims 39
- 230000003647 oxidation Effects 0.000 title claims 34
- 238000007254 oxidation reaction Methods 0.000 title claims 34
- 239000002131 composite material Substances 0.000 claims 30
- 239000011247 coating layer Substances 0.000 claims 21
- 239000011572 manganese Substances 0.000 claims 17
- 239000000758 substrate Substances 0.000 claims 15
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims 14
- 229910044991 metal oxide Inorganic materials 0.000 claims 8
- 150000004706 metal oxides Chemical class 0.000 claims 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 8
- 239000003870 refractory metal Substances 0.000 claims 8
- 239000000203 mixture Substances 0.000 claims 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 4
- 229910021536 Zeolite Inorganic materials 0.000 claims 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims 4
- 229910052748 manganese Inorganic materials 0.000 claims 4
- 238000000034 method Methods 0.000 claims 4
- 229910052763 palladium Inorganic materials 0.000 claims 4
- 239000010457 zeolite Substances 0.000 claims 4
- 230000003197 catalytic effect Effects 0.000 claims 3
- 239000007789 gas Substances 0.000 claims 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 2
- 229910052788 barium Inorganic materials 0.000 claims 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 2
- 229910002091 carbon monoxide Inorganic materials 0.000 claims 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 229930195733 hydrocarbon Natural products 0.000 claims 2
- 150000002430 hydrocarbons Chemical class 0.000 claims 2
- 239000000463 material Substances 0.000 claims 2
- 239000002245 particle Substances 0.000 claims 2
- 239000000377 silicon dioxide Substances 0.000 claims 2
- 239000004408 titanium dioxide Substances 0.000 claims 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims 1
- 239000004215 Carbon black (E152) Substances 0.000 claims 1
- 229910002651 NO3 Inorganic materials 0.000 claims 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims 1
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 claims 1
- 229910052676 chabazite Inorganic materials 0.000 claims 1
- 229910001657 ferrierite group Inorganic materials 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 238000005470 impregnation Methods 0.000 claims 1
- 229910052738 indium Inorganic materials 0.000 claims 1
- 229910052741 iridium Inorganic materials 0.000 claims 1
- 229910052742 iron Inorganic materials 0.000 claims 1
- 229910052680 mordenite Inorganic materials 0.000 claims 1
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 229910052703 rhodium Inorganic materials 0.000 claims 1
- 239000010948 rhodium Substances 0.000 claims 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims 1
- 239000006104 solid solution Substances 0.000 claims 1
- 229910052718 tin Inorganic materials 0.000 claims 1
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- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/076—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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Claims (36)
1. Композит катализатора окисления для уменьшения выбросов выхлопных газов из двигателя, работающего на бедной смеси, включающий:
подложку-носитель, обладающую длиной, входным концом и выходным концом, каталитический материал катализатора окисления на носителе, указанный каталитический материал катализатора окисления включает первый слой покрытия типа «washcoat», включающий первую подложку из тугоплавкого оксида металла, платиновый (Pt) компонент и палладиевый (Pd) компонент при отношении Pt : Pd, находящемся в диапазоне примерно от 10:1 до 1:10; и
второй слой покрытия типа «washcoat», включающий вторую подложку из тугоплавкого оксида металла, содержащую Mn, цеолит, Pt компонент и необязательно Pd компонент;
причем композит катализатора окисления эффективен для уменьшения углеводорода и монооксида углерода и для окисления NO в NO2 в выхлопных газах двигателя, работающего на бедной смеси.
2. Композит катализатора окисления по п. 1, в котором второй слой покрытия типа «washcoat» дополнительно включает палладиевый компонент и отношение Pt : Pd во втором слое покрытия типа «washcoat» находится в диапазоне от 1:0 до 10:1.
3. Композит катализатора окисления по п. 1, в котором второй слой покрытия типа «washcoat» в основном свободен от палладия.
4. Композит катализатора окисления по п. 2, в котором палладиевый компонент второго слоя покрытия типа «washcoat» содержится в количестве, находящемся в диапазоне от примерно 0,1 г/фут3 до примерно 10 г/фут3.
5. Композит катализатора окисления по п. 1, в котором первый слой покрытия типа «washcoat» нанесен на подложку-носитель, и второй слой покрытия типа «washcoat» нанесен поверх первого слоя покрытия типа «washcoat».
6. Композит катализатора окисления по п. 1, в котором содержание Mn во второй подложке из тугоплавкого оксида металла находится в диапазоне от 0,1% до 30% масс.
7. Композит катализатора окисления по п. 6, в котором содержание Mn находится в диапазоне от 3 до 10% масс.
8. Композит катализатора окисления по п. 6, в котором Mn находится в форме, выбранной из группы, состоящей из содержащего Mn твердого раствора с подложкой из тугоплавкого оксида металла, марганца, диспергированного на поверхности подложки тугоплавкого оксида металла путем пропитки, и дискретных частиц оксида марганца на частицах подложки из тугоплавкого оксида металла.
9. Композит катализатора окисления по п. 6, в котором Mn является производным растворимых соединений Mn или объемных оксидов Mn.
10. Композит катализатора окисления по п. 9, в котором растворимые соединения Mn выбраны из группы, состоящей из ацетата Mn, нитрата Mn, сульфата Mn и их комбинаций.
11. Композит катализатора окисления по п. 9, в котором объемные оксиды Mn выбраны из MnO, Mn2O3, MnO2 и их комбинаций.
12. Композит катализатора окисления по п. 6, в котором вторая подложка из тугоплавкого оксида металла включает оксид алюминия, диоксид кремния, диоксид циркония, диоксид титана, диоксид церия или их комбинации.
13. Композит катализатора окисления по п. 1, в котором второй слой покрытия типа «washcoat» содержит Pt компонент в количестве, находящемся в диапазоне примерно от 10 г/фут3 до 100 г/фут3.
14. Композит катализатора окисления по п. 13, в котором второй слой покрытия типа «washcoat» дополнительно содержит Pd компонент в количестве, находящемся в диапазоне примерно от 0,1 г/фут3 до 10 г/фут3.
15. Композит катализатора окисления по п. 13, в котором второй слой покрытия типа «washcoat» включает гидротермически стабильный цеолит в форме 6 - 12-членных кольцевых структур, выбранный из группы, состоящей из ZSM-5, бета, морденита, Y цеолита, шабазита, феррьерита и их комбинаций.
16. Композит катализатора окисления по п. 1, в котором первая подложка из тугоплавкого оксида металла включает оксид алюминия, диоксид кремния, диоксид циркония, диоксид титана, диоксид церия или их комбинацию.
17. Композит катализатора окисления по п. 1, в котором первый слой покрытия типа «washcoat» содержит Pt компонент в количестве, находящемся в диапазоне примерно от 10 г/фут3 до 100 г/фут3.
18. Композит катализатора окисления по п. 17, в котором первый слой покрытия типа «washcoat» содержит Pd компонент в количестве, находящемся в диапазоне примерно от 10 г/фут3 до 100 г/фут3.
19. Композит катализатора окисления по п. 1, в котором второй слой покрытия типа «washcoat» в основном свободен от бария и первый слой покрытия типа «washcoat» в основном свободен от цеолита.
20. Композит катализатора окисления по п. 1, в котором второй слой покрытия типа «washcoat» нанесен на подложку-носитель и первый слой покрытия типа «washcoat» нанесен поверх второго слоя покрытия типа «washcoat».
21. Композит катализатора окисления по п. 1, в котором подложка-носитель-включает проточный монолит.
22. Композит катализатора окисления по п. 1, в котором первый слой покрытия типа «washcoat» и второй слой покрытия типа «washcoat» оба нанесены на указанный носитель.
23. Композит катализатора окисления по п. 6, в котором Mn легирован с Fe, Ni, Со, Cu, Се, Sn, Ir, In или их комбинациями.
24. Способ обработки потока выхлопных газов дизельного двигателя, способ включает контактирование потока выхлопных газов с композитом катализатора окисления по любому из пп. 1-23.
25. Способ по п. 24, дополнительно включающий пропускание потока выхлопных газов через композицию СКВ катализатора, расположенную вниз по течению непосредственно после композита катализатора окисления.
26. Способ по п. 25, в котором композицию СКВ катализатора располагают на монолите фильтра с проточными стенками.
27. Система обработки потока выхлопных газов двигателя, работающего на бедной смеси, указанный поток включает углеводороды, монооксид углерода и другие компоненты выхлопа, причем указанная система включает: выхлопную трубу, сообщающуюся по текучей среде с двигателем, работающим на бедной смеси, через выпускной коллектор;
композит катализатора окисления по любому из пп. 1-23, в котором подложка-носитель представляет собой проточную подложку; и
каталитический сажевый фильтр и СКВ катализатор, расположенные вниз по течению после композита катализатора окисления.
28. Система по п. 27, в которой композит катализатора окисления добавляют в накопитель обедненных NOx.
29. Система по п. 28, в которой накопитель обедненных NOx включает бариевый компонент и родиевый компонент.
30. Система по п. 27, в которой СКВ катализатор нанесен на каталитический сажевый фильтр.
31. Система по п. 27, в которой СКВ катализатор находится на проточной подложке вниз по течению непосредственно после композита катализатора окисления и каталитический сажевый фильтр находится вниз по течению после СКВ катализатора.
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US14/107,704 US10335776B2 (en) | 2013-12-16 | 2013-12-16 | Manganese-containing diesel oxidation catalyst |
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PCT/US2014/070356 WO2015095056A1 (en) | 2013-12-16 | 2014-12-15 | Manganese-containing diesel oxidation catalyst |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2704801C2 (ru) * | 2014-04-01 | 2019-10-31 | Джонсон Мэтти Паблик Лимитед Компани | ДИЗЕЛЬНЫЙ ОКИСЛИТЕЛЬНЫЙ КАТАЛИЗАТОР, ОБЛАДАЮЩИЙ АКТИВНОСТЬЮ АДСОРБЕРА NOx |
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JP2017501031A (ja) | 2017-01-12 |
RU2683771C1 (ru) | 2019-04-02 |
EP3083049A4 (en) | 2017-08-09 |
KR102344639B1 (ko) | 2021-12-30 |
US11311865B2 (en) | 2022-04-26 |
CN105813744A (zh) | 2016-07-27 |
US20220234032A1 (en) | 2022-07-28 |
US10335776B2 (en) | 2019-07-02 |
CN111389451A (zh) | 2020-07-10 |
CA2932142A1 (en) | 2015-06-25 |
US20150165422A1 (en) | 2015-06-18 |
ZA201604675B (en) | 2020-01-29 |
WO2015095056A1 (en) | 2015-06-25 |
KR20160098401A (ko) | 2016-08-18 |
MX2016007993A (es) | 2016-11-11 |
JP6625537B2 (ja) | 2020-01-08 |
US20220250044A1 (en) | 2022-08-11 |
US20190262809A1 (en) | 2019-08-29 |
EP3083049A1 (en) | 2016-10-26 |
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