JP4971918B2 - 排気ガス浄化用触媒及びその製造方法 - Google Patents
排気ガス浄化用触媒及びその製造方法 Download PDFInfo
- Publication number
- JP4971918B2 JP4971918B2 JP2007237100A JP2007237100A JP4971918B2 JP 4971918 B2 JP4971918 B2 JP 4971918B2 JP 2007237100 A JP2007237100 A JP 2007237100A JP 2007237100 A JP2007237100 A JP 2007237100A JP 4971918 B2 JP4971918 B2 JP 4971918B2
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- Prior art keywords
- compound
- noble metal
- exhaust gas
- metal particles
- gas purifying
- Prior art date
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- 229910000510 noble metal Inorganic materials 0.000 claims description 191
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- 150000001875 compounds Chemical class 0.000 claims description 122
- 239000000843 powder Substances 0.000 claims description 106
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- 229910052761 rare earth metal Inorganic materials 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 29
- 230000002776 aggregation Effects 0.000 claims description 25
- 239000011148 porous material Substances 0.000 claims description 25
- 238000004220 aggregation Methods 0.000 claims description 24
- 239000002131 composite material Substances 0.000 claims description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 21
- 239000010970 precious metal Substances 0.000 claims description 20
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 17
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 17
- 229910052783 alkali metal Inorganic materials 0.000 claims description 14
- 150000001340 alkali metals Chemical class 0.000 claims description 14
- 239000011163 secondary particle Substances 0.000 claims description 13
- 229910052763 palladium Inorganic materials 0.000 claims description 11
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 229910052788 barium Inorganic materials 0.000 claims description 9
- 229910052746 lanthanum Inorganic materials 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 229910052726 zirconium Inorganic materials 0.000 claims description 9
- 229910052684 Cerium Inorganic materials 0.000 claims description 8
- 229910052703 rhodium Inorganic materials 0.000 claims description 7
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- 229910052777 Praseodymium Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052779 Neodymium Inorganic materials 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 229910052792 caesium Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
- 229910052708 sodium Inorganic materials 0.000 claims description 3
- 229910052712 strontium Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 85
- 229940125782 compound 2 Drugs 0.000 description 83
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 43
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- 230000000694 effects Effects 0.000 description 36
- 229910001593 boehmite Inorganic materials 0.000 description 35
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 35
- 229910002651 NO3 Inorganic materials 0.000 description 34
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 34
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 20
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 16
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- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 8
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- UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 description 4
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 229910004625 Ce—Zr Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 2
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 2
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- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 2
- 230000000607 poisoning effect Effects 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
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- 230000001629 suppression Effects 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 150000003624 transition metals Chemical class 0.000 description 2
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
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- 230000000536 complexating effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
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- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
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- 238000000859 sublimation Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- Chemical & Material Sciences (AREA)
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- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Exhaust Gas After Treatment (AREA)
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| Application Number | Priority Date | Filing Date | Title |
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| JP2007237100A JP4971918B2 (ja) | 2007-01-25 | 2007-09-12 | 排気ガス浄化用触媒及びその製造方法 |
| EP20090001627 EP2055367A3 (en) | 2007-01-25 | 2008-01-23 | Exhaust gas purifying catalyst and manufacturing method thereof |
| EP08001250A EP1952876A1 (en) | 2007-01-25 | 2008-01-23 | Exhaust gas purifying catalyst and manufacturing method thereof |
| KR1020080008004A KR100989224B1 (ko) | 2007-01-25 | 2008-01-25 | 배기 가스 정화용 촉매 및 그의 제조 방법 |
| US12/010,514 US7851405B2 (en) | 2007-01-25 | 2008-01-25 | Exhaust gas purifying catalyst and manufacturing method thereof |
| CN2008100045859A CN101301610B (zh) | 2007-01-25 | 2008-01-25 | 废气净化催化剂及其制造方法 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2007015158 | 2007-01-25 | ||
| JP2007015158 | 2007-01-25 | ||
| JP2007112313 | 2007-04-20 | ||
| JP2007112313 | 2007-04-20 | ||
| JP2007237100A JP4971918B2 (ja) | 2007-01-25 | 2007-09-12 | 排気ガス浄化用触媒及びその製造方法 |
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| JP2012039810A Division JP5458126B2 (ja) | 2007-01-25 | 2012-02-27 | 排気ガス浄化用触媒及びその製造方法 |
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| JP2008284534A JP2008284534A (ja) | 2008-11-27 |
| JP4971918B2 true JP4971918B2 (ja) | 2012-07-11 |
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| JP2007237100A Expired - Fee Related JP4971918B2 (ja) | 2007-01-25 | 2007-09-12 | 排気ガス浄化用触媒及びその製造方法 |
| JP2012039810A Active JP5458126B2 (ja) | 2007-01-25 | 2012-02-27 | 排気ガス浄化用触媒及びその製造方法 |
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| JP2012039810A Active JP5458126B2 (ja) | 2007-01-25 | 2012-02-27 | 排気ガス浄化用触媒及びその製造方法 |
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| CN (1) | CN101301610B (zh) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9173967B1 (en) | 2007-05-11 | 2015-11-03 | SDCmaterials, Inc. | System for and method of processing soft tissue and skin with fluids using temperature and pressure changes |
| US8575059B1 (en) | 2007-10-15 | 2013-11-05 | SDCmaterials, Inc. | Method and system for forming plug and play metal compound catalysts |
| JP5540521B2 (ja) * | 2009-02-17 | 2014-07-02 | 日産自動車株式会社 | 排気ガス浄化触媒及びその製造方法 |
| JP6262413B2 (ja) * | 2009-03-06 | 2018-01-17 | ユミコア日本触媒株式会社 | 排気ガス浄化用触媒及びその製造方法、並びに排気ガス浄化方法 |
| EP2502672B1 (en) * | 2009-11-17 | 2016-09-14 | Nissan Motor Co., Ltd. | Exhaust gas purification catalyst and manufacturing method therefor |
| US8652992B2 (en) | 2009-12-15 | 2014-02-18 | SDCmaterials, Inc. | Pinning and affixing nano-active material |
| US8557727B2 (en) * | 2009-12-15 | 2013-10-15 | SDCmaterials, Inc. | Method of forming a catalyst with inhibited mobility of nano-active material |
| US9149797B2 (en) | 2009-12-15 | 2015-10-06 | SDCmaterials, Inc. | Catalyst production method and system |
| US9126191B2 (en) * | 2009-12-15 | 2015-09-08 | SDCmaterials, Inc. | Advanced catalysts for automotive applications |
| US9039916B1 (en) | 2009-12-15 | 2015-05-26 | SDCmaterials, Inc. | In situ oxide removal, dispersal and drying for copper copper-oxide |
| JP2011147901A (ja) * | 2010-01-22 | 2011-08-04 | Toyota Motor Corp | 排ガス浄化用触媒 |
| US8669202B2 (en) | 2011-02-23 | 2014-03-11 | SDCmaterials, Inc. | Wet chemical and plasma methods of forming stable PtPd catalysts |
| CA2845129A1 (en) | 2011-08-19 | 2013-02-28 | SDCmaterials, Inc. | Coated substrates for use in catalysis and catalytic converters and methods of coating substrates with washcoat compositions |
| JP5831083B2 (ja) | 2011-09-20 | 2015-12-09 | 日産自動車株式会社 | 排ガス浄化用触媒及びその製造方法 |
| US9156025B2 (en) | 2012-11-21 | 2015-10-13 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
| US9511352B2 (en) | 2012-11-21 | 2016-12-06 | SDCmaterials, Inc. | Three-way catalytic converter using nanoparticles |
| EP2954950B1 (en) * | 2013-02-08 | 2020-06-17 | Umicore Shokubai Japan Co., Ltd. | Catalyst for purifying nox occlusion reduction-type exhaust gas and exhaust gas purification method using said catalyst |
| EP2988863A2 (en) | 2013-07-11 | 2016-03-02 | SABIC Global Technologies B.V. | Use of lanthanide oxides to reduce sintering of catalysts |
| EP3024571B1 (en) | 2013-07-25 | 2020-05-27 | Umicore AG & Co. KG | Washcoats and coated substrates for catalytic converters |
| KR20160074566A (ko) | 2013-10-22 | 2016-06-28 | 에스디씨머티리얼스, 인코포레이티드 | 대형 디젤 연소 엔진용 촉매 디자인 |
| CA2926135A1 (en) | 2013-10-22 | 2015-04-30 | SDCmaterials, Inc. | Compositions of lean nox trap |
| US9415378B2 (en) * | 2013-12-02 | 2016-08-16 | Saudi Basic Industries Corporation | Dehydrogenation catalyst, its use and method of preparation |
| EP3119500A4 (en) | 2014-03-21 | 2017-12-13 | SDC Materials, Inc. | Compositions for passive nox adsorption (pna) systems |
| JP6701518B2 (ja) * | 2015-04-14 | 2020-05-27 | 日産自動車株式会社 | 排気ガス浄化触媒、排気ガス浄化触媒の製造方法及び排気ガス浄化モノリス触媒 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08131830A (ja) * | 1994-11-07 | 1996-05-28 | Toyota Motor Corp | 排ガス浄化用触媒 |
| JP4779271B2 (ja) * | 2001-09-19 | 2011-09-28 | トヨタ自動車株式会社 | 触媒 |
| JP3861647B2 (ja) * | 2001-10-09 | 2006-12-20 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP4218364B2 (ja) * | 2002-03-29 | 2009-02-04 | 株式会社豊田中央研究所 | 金属酸化物の製造方法 |
| JP4175186B2 (ja) * | 2003-06-12 | 2008-11-05 | トヨタ自動車株式会社 | 排ガス浄化用触媒とその製造方法 |
| JP4196745B2 (ja) * | 2003-06-12 | 2008-12-17 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP4959129B2 (ja) * | 2004-02-16 | 2012-06-20 | 株式会社キャタラー | 排ガス浄化用触媒 |
| JP4764609B2 (ja) * | 2004-03-15 | 2011-09-07 | 独立行政法人産業技術総合研究所 | 窒素酸化物除去触媒 |
| JP4589032B2 (ja) * | 2004-05-28 | 2010-12-01 | 戸田工業株式会社 | 排気ガス浄化用触媒及び同触媒用酸素吸蔵材 |
| JP2006326554A (ja) * | 2005-05-30 | 2006-12-07 | Nissan Motor Co Ltd | 排気ガス浄化用触媒及びその製造方法 |
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2007
- 2007-09-12 JP JP2007237100A patent/JP4971918B2/ja not_active Expired - Fee Related
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2008
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- 2012-02-27 JP JP2012039810A patent/JP5458126B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012125767A (ja) | 2012-07-05 |
| CN101301610B (zh) | 2011-06-08 |
| CN101301610A (zh) | 2008-11-12 |
| JP2008284534A (ja) | 2008-11-27 |
| JP5458126B2 (ja) | 2014-04-02 |
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