JPH0586259B2 - - Google Patents
Info
- Publication number
- JPH0586259B2 JPH0586259B2 JP61114169A JP11416986A JPH0586259B2 JP H0586259 B2 JPH0586259 B2 JP H0586259B2 JP 61114169 A JP61114169 A JP 61114169A JP 11416986 A JP11416986 A JP 11416986A JP H0586259 B2 JPH0586259 B2 JP H0586259B2
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- palladium
- composite oxide
- activity
- sample
- 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.)
- Expired - Fee Related
Links
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 115
- 239000003054 catalyst Substances 0.000 claims description 66
- 229910052763 palladium Inorganic materials 0.000 claims description 37
- 239000002131 composite material Substances 0.000 claims description 33
- 230000002950 deficient Effects 0.000 claims description 21
- 238000000746 purification Methods 0.000 description 25
- 230000000694 effects Effects 0.000 description 23
- 239000006104 solid solution Substances 0.000 description 16
- 239000010948 rhodium Substances 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 229910002091 carbon monoxide Inorganic materials 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 11
- 238000012360 testing method Methods 0.000 description 10
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 229910000510 noble metal Inorganic materials 0.000 description 9
- GPNDARIEYHPYAY-UHFFFAOYSA-N palladium(ii) nitrate Chemical compound [Pd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O GPNDARIEYHPYAY-UHFFFAOYSA-N 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 229910052761 rare earth metal Inorganic materials 0.000 description 5
- 229910052703 rhodium Inorganic materials 0.000 description 5
- 229910002187 La0.8Sr0.2CoO3 Inorganic materials 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 229910018921 CoO 3 Inorganic materials 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 229910000420 cerium oxide Inorganic materials 0.000 description 3
- 238000000975 co-precipitation Methods 0.000 description 3
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 3
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 3
- 229910052748 manganese Inorganic materials 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 230000010718 Oxidation Activity Effects 0.000 description 2
- 229910018967 Pt—Rh Inorganic materials 0.000 description 2
- 239000001099 ammonium carbonate Substances 0.000 description 2
- 235000012501 ammonium carbonate Nutrition 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 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 2
- PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 150000004679 hydroxides Chemical class 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004438 BET method Methods 0.000 description 1
- -1 Co 3+ Chemical class 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910001428 transition metal ion Inorganic materials 0.000 description 1
Landscapes
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61114169A JPS62269747A (ja) | 1986-05-19 | 1986-05-19 | 排ガス浄化用触媒 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61114169A JPS62269747A (ja) | 1986-05-19 | 1986-05-19 | 排ガス浄化用触媒 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62269747A JPS62269747A (ja) | 1987-11-24 |
| JPH0586259B2 true JPH0586259B2 (ko) | 1993-12-10 |
Family
ID=14630898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61114169A Granted JPS62269747A (ja) | 1986-05-19 | 1986-05-19 | 排ガス浄化用触媒 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62269747A (ko) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0474721A (ja) * | 1990-07-13 | 1992-03-10 | Nitsukatoo:Kk | ランタンマンガネート系粉末の製造方法 |
| DE69423857T2 (de) * | 1993-12-17 | 2000-11-09 | Matsushita Electric Industrial Co., Ltd. | Verfahren und Vorrichtung zur Reinigung von Abgas |
| EP1027926B1 (en) * | 1997-08-04 | 2004-03-17 | Teijin Limited | Process for the preparation of aromatic carbonates |
| JP4729681B2 (ja) * | 2003-03-28 | 2011-07-20 | Ｄｏｗａエレクトロニクス株式会社 | ペロブスカイト型複合酸化物の製造法 |
| JP4765094B2 (ja) * | 2003-03-28 | 2011-09-07 | Ｄｏｗａエレクトロニクス株式会社 | ペロブスカイト型複合酸化物の製造法 |
| JP3843102B2 (ja) | 2003-08-06 | 2006-11-08 | 本田技研工業株式会社 | 排ガス浄化触媒及びその製造方法、並びに排ガス浄化触媒装置 |
| JP4538726B2 (ja) * | 2004-09-10 | 2010-09-08 | トヨタ自動車株式会社 | 排ガス浄化用触媒 |
| JP4969843B2 (ja) | 2005-12-09 | 2012-07-04 | 新日鉄マテリアルズ株式会社 | 排ガス浄化用触媒及び排ガス浄化触媒部材 |
| JP7099620B2 (ja) * | 2019-03-22 | 2022-07-12 | 株式会社村田製作所 | 排ガス浄化触媒および排ガス処理装置 |
| CN111644183B (zh) * | 2020-05-12 | 2023-07-28 | 五邑大学 | 一种含IrO2的钙钛矿氧化物的制备方法和应用 |
-
1986
- 1986-05-19 JP JP61114169A patent/JPS62269747A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62269747A (ja) | 1987-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3797313B2 (ja) | 金属酸化物粒子の製造法及び排ガス浄化用触媒 | |
| USRE44802E1 (en) | Cerium-zirconium composite metal oxide | |
| CA1247074A (en) | Three-way catalysts of improved efficiency | |
| JP4612949B2 (ja) | 三元触媒 | |
| KR101010070B1 (ko) | 배기 가스 정화 촉매 및 그의 제조 방법 | |
| EP2039425B1 (en) | Process for production of an exhaust gas clean-up catalyst | |
| US20070191220A1 (en) | Oxygen storage material, process for its preparation and its application in a catalyst | |
| US20040186016A1 (en) | Oxygen storage material, process for its preparation and its application in a catalyst | |
| EP2050497A1 (en) | Exhaust gas purifying catalyst | |
| JPH067923B2 (ja) | スリー・ウエイ触媒およびその製造方法 | |
| US7745371B2 (en) | Exhaust gas purifying catalyst, metal oxide particle and production process thereof | |
| KR20010005501A (ko) | 긴밀하게 혼합된 세륨 및 프라세오디뮴의 산화물을 함유하는 촉매 조성물 | |
| EP0251752A1 (en) | Aluminum-stabilized ceria catalyst compositions and method of making same | |
| JPH0586258B2 (ko) | ||
| JP5190196B2 (ja) | 排ガス浄化触媒用複合酸化物および排ガス浄化触媒、並びにディーゼル排ガス浄化用フィルター | |
| WO2009104386A1 (ja) | 触媒担体の製造方法及び触媒担体 | |
| JP2004337840A (ja) | 酸素吸蔵材料、該酸素吸蔵材料の製造法及び内燃機関の排ガス浄化用触媒 | |
| JPH10286462A (ja) | 排気ガス浄化用触媒 | |
| KR20140011312A (ko) | 탈초촉매 조성물, 및 그것을 이용한 탈초방법 | |
| JP6087784B2 (ja) | 酸素吸放出材及びそれを含む排ガス浄化用触媒 | |
| JPH0586259B2 (ko) | ||
| EP1516855B1 (en) | Cerium-zirconium composite metal oxide with a cerium oxide core surrounded by zirconium oxide | |
| JP6339013B2 (ja) | 排気ガス浄化触媒用担体、排気ガス浄化用触媒及び排気ガス浄化用触媒構成体 | |
| US20120277094A1 (en) | Catalyst support or catalyst, and process for producing the same | |
| JP5794908B2 (ja) | 排気ガス浄化用触媒及び排気ガス浄化用触媒構成体 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |