JP2004174490A5 - - Google Patents
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- Publication number
- JP2004174490A5 JP2004174490A5 JP2003379839A JP2003379839A JP2004174490A5 JP 2004174490 A5 JP2004174490 A5 JP 2004174490A5 JP 2003379839 A JP2003379839 A JP 2003379839A JP 2003379839 A JP2003379839 A JP 2003379839A JP 2004174490 A5 JP2004174490 A5 JP 2004174490A5
- Authority
- JP
- Japan
- Prior art keywords
- acidic solution
- catalyst
- mass
- oxygen
- oxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003054 catalyst Substances 0.000 claims description 110
- 239000001301 oxygen Substances 0.000 claims description 94
- 229910052760 oxygen Inorganic materials 0.000 claims description 94
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 86
- 238000003860 storage Methods 0.000 claims description 52
- 239000002131 composite material Substances 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 45
- 229910052684 Cerium Inorganic materials 0.000 claims description 44
- 238000002156 mixing Methods 0.000 claims description 44
- 229910052726 zirconium Inorganic materials 0.000 claims description 44
- GEIAQOFPUVMAGM-UHFFFAOYSA-N oxozirconium Chemical compound [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims description 42
- 239000003929 acidic solution Substances 0.000 claims description 39
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 35
- 229910052703 rhodium Inorganic materials 0.000 claims description 29
- 239000002244 precipitate Substances 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- 125000004429 atoms Chemical group 0.000 claims description 18
- 150000002500 ions Chemical class 0.000 claims description 17
- 229910052779 Neodymium Inorganic materials 0.000 claims description 16
- 239000011232 storage material Substances 0.000 claims description 16
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 15
- 238000000975 co-precipitation Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000001354 calcination Methods 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 5
- 150000004679 hydroxides Chemical class 0.000 claims description 4
- 239000010948 rhodium Substances 0.000 description 87
- 238000000746 purification Methods 0.000 description 42
- 235000011114 ammonium hydroxide Nutrition 0.000 description 30
- 230000032683 aging Effects 0.000 description 20
- 239000007789 gas Substances 0.000 description 18
- 230000000694 effects Effects 0.000 description 16
- 239000011259 mixed solution Substances 0.000 description 16
- 229910002089 NOx Inorganic materials 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- 239000000243 solution Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000003197 catalytic Effects 0.000 description 10
- 235000012970 cakes Nutrition 0.000 description 9
- OFJATJUUUCAKMK-UHFFFAOYSA-N Cerium(IV) oxide Chemical compound [O-2]=[Ce+4]=[O-2] OFJATJUUUCAKMK-UHFFFAOYSA-N 0.000 description 8
- 239000000446 fuel Substances 0.000 description 8
- OZAIFHULBGXAKX-UHFFFAOYSA-N precursor Substances N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- -1 oxygen ions Chemical class 0.000 description 7
- 238000005245 sintering Methods 0.000 description 7
- 239000000969 carrier Substances 0.000 description 6
- 230000024881 catalytic activity Effects 0.000 description 6
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 230000002950 deficient Effects 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- OERNJTNJEZOPIA-UHFFFAOYSA-N Zirconium nitrate Chemical compound [Zr+4].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O OERNJTNJEZOPIA-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- UJVRJBAUJYZFIX-UHFFFAOYSA-N nitric acid;oxozirconium Chemical compound [Zr]=O.O[N+]([O-])=O.O[N+]([O-])=O UJVRJBAUJYZFIX-UHFFFAOYSA-N 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- CFYGEIAZMVFFDE-UHFFFAOYSA-N neodymium(3+);trinitrate Chemical compound [Nd+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CFYGEIAZMVFFDE-UHFFFAOYSA-N 0.000 description 3
- 125000004430 oxygen atoms Chemical group O* 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 210000003660 Reticulum Anatomy 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- VXNYVYJABGOSBX-UHFFFAOYSA-N rhodium(3+);trinitrate Chemical compound [Rh+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O VXNYVYJABGOSBX-UHFFFAOYSA-N 0.000 description 2
- 239000011163 secondary particle Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
- 210000001736 Capillaries Anatomy 0.000 description 1
- 229910020203 CeO Inorganic materials 0.000 description 1
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 1
- GPNDARIEYHPYAY-UHFFFAOYSA-N Palladium(II) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 load Methods 0.000 description 1
- 235000009808 lpulo Nutrition 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003878 thermal aging Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003379839A JP3812565B2 (ja) | 2002-11-14 | 2003-11-10 | 排気ガス浄化用触媒材料、及びその製造方法 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002330742 | 2002-11-14 | ||
| JP2003379839A JP3812565B2 (ja) | 2002-11-14 | 2003-11-10 | 排気ガス浄化用触媒材料、及びその製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004174490A JP2004174490A (ja) | 2004-06-24 |
| JP2004174490A5 true JP2004174490A5 (de) | 2006-02-23 |
| JP3812565B2 JP3812565B2 (ja) | 2006-08-23 |
Family
ID=32716210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003379839A Expired - Fee Related JP3812565B2 (ja) | 2002-11-14 | 2003-11-10 | 排気ガス浄化用触媒材料、及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3812565B2 (de) |
Families Citing this family (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4513372B2 (ja) | 2004-03-23 | 2010-07-28 | 日産自動車株式会社 | 排ガス浄化用触媒及び排ガス浄化触媒 |
| JP4513384B2 (ja) | 2004-03-31 | 2010-07-28 | 日産自動車株式会社 | 高耐熱性排ガス浄化用触媒及びその製造方法 |
| US7566424B2 (en) | 2004-07-23 | 2009-07-28 | Mazda Motor Corporation | Exhaust gas purification catalyst |
| JP4496876B2 (ja) * | 2004-07-30 | 2010-07-07 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP4496873B2 (ja) * | 2004-07-23 | 2010-07-07 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP4561217B2 (ja) * | 2004-07-23 | 2010-10-13 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP4513453B2 (ja) * | 2004-08-02 | 2010-07-28 | マツダ株式会社 | 排気ガス浄化用触媒 |
| EP1632288B1 (de) * | 2004-09-03 | 2012-06-20 | Mazda Motor Corporation | Abgasreinigungskatalysator und Sauerstoffspeicherkomponente dafür |
| JP5200315B2 (ja) * | 2004-12-22 | 2013-06-05 | 日産自動車株式会社 | 排気ガス浄化触媒、及び排気ガス浄化触媒の製造方法 |
| JP4654746B2 (ja) * | 2005-04-14 | 2011-03-23 | マツダ株式会社 | 排気ガス浄化触媒装置 |
| JP4835028B2 (ja) * | 2005-04-19 | 2011-12-14 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP2006326568A (ja) * | 2005-04-25 | 2006-12-07 | Nissan Motor Co Ltd | 排気ガス浄化用触媒 |
| JP4835043B2 (ja) * | 2005-05-30 | 2011-12-14 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP2006334490A (ja) | 2005-06-01 | 2006-12-14 | Mazda Motor Corp | 排気ガス浄化用触媒 |
| JP4622753B2 (ja) * | 2005-09-05 | 2011-02-02 | マツダ株式会社 | 触媒付きディーゼルパティキュレートフィルタ |
| KR100713297B1 (ko) * | 2005-09-08 | 2007-05-04 | 한화석유화학 주식회사 | 귀금속을 포함하는 금속산화물의 제조방법 |
| JP4569436B2 (ja) * | 2005-09-30 | 2010-10-27 | マツダ株式会社 | 排気ガス浄化用触媒及び排気ガス浄化用触媒材の製造方法 |
| JP4687389B2 (ja) | 2005-10-26 | 2011-05-25 | マツダ株式会社 | 排気ガス浄化触媒 |
| CN101351267B (zh) | 2005-11-04 | 2012-08-29 | 丰田自动车株式会社 | 催化剂载体颗粒、废气净化催化剂及它们的制造方法 |
| JP2007185588A (ja) | 2006-01-12 | 2007-07-26 | Mazda Motor Corp | 排気ガス浄化用触媒 |
| JP2007196150A (ja) * | 2006-01-27 | 2007-08-09 | Mazda Motor Corp | 酸素吸蔵材及び排気ガス浄化用触媒 |
| JP4835193B2 (ja) * | 2006-02-20 | 2011-12-14 | マツダ株式会社 | ディーゼルパティキュレートフィルタ |
| JP2007301526A (ja) * | 2006-05-15 | 2007-11-22 | Toyota Central Res & Dev Lab Inc | 排ガス浄化用触媒及びその製造方法 |
| JP4826337B2 (ja) | 2006-05-23 | 2011-11-30 | マツダ株式会社 | 排気ガス浄化用触媒及び排気ガス浄化方法 |
| EP2039422A4 (de) * | 2006-07-06 | 2011-06-22 | Cataler Corp | Sauerstoffspeichermaterial |
| US8067330B2 (en) | 2007-02-15 | 2011-11-29 | Mazda Motor Corporation | Catalytic material and catalyst for purifying exhaust gas component |
| EP2177258B1 (de) | 2008-10-17 | 2016-04-20 | Mazda Motor Corporation | Abgasreinigungskatalysator |
| JP5391640B2 (ja) * | 2008-10-17 | 2014-01-15 | マツダ株式会社 | 排気ガス浄化用触媒 |
| EP2457653A4 (de) * | 2009-07-24 | 2014-03-19 | Cataler Corp | Abgasreinigungskatalysator |
| JP5488214B2 (ja) | 2010-06-07 | 2014-05-14 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP5488215B2 (ja) | 2010-06-07 | 2014-05-14 | マツダ株式会社 | 排気ガス浄化用触媒 |
| JP5942893B2 (ja) * | 2013-02-21 | 2016-06-29 | マツダ株式会社 | 排気ガス浄化用触媒の製造方法 |
| JP5942894B2 (ja) * | 2013-02-21 | 2016-06-29 | マツダ株式会社 | 排気ガス浄化用触媒の製造方法 |
| US9550176B2 (en) | 2013-05-27 | 2017-01-24 | Mazda Motor Corporation | Exhaust gas purification catalyst and production method thereof |
| JP6206116B2 (ja) * | 2013-11-20 | 2017-10-04 | マツダ株式会社 | 排気ガス浄化用触媒材及びその製造方法 |
| KR20190008251A (ko) * | 2016-06-13 | 2019-01-23 | 바스프 코포레이션 | 조합된 백금족 금속 및 산소 저장 성분을 포함하는 촉매 물품 |
-
2003
- 2003-11-10 JP JP2003379839A patent/JP3812565B2/ja not_active Expired - Fee Related
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