KR20240049656A - 다공성 세륨 및 지르코늄을 포함하는 산화물 - Google Patents
다공성 세륨 및 지르코늄을 포함하는 산화물 Download PDFInfo
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- KR20240049656A KR20240049656A KR1020247011685A KR20247011685A KR20240049656A KR 20240049656 A KR20240049656 A KR 20240049656A KR 1020247011685 A KR1020247011685 A KR 1020247011685A KR 20247011685 A KR20247011685 A KR 20247011685A KR 20240049656 A KR20240049656 A KR 20240049656A
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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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- 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
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
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- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/066—Zirconium or hafnium; Oxides or hydroxides thereof
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- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
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- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/56—Platinum group metals
- B01J23/63—Platinum group metals with rare earths or actinides
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- C01G25/02—Oxides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462046491P | 2014-09-05 | 2014-09-05 | |
| US62/046,491 | 2014-09-05 | ||
| KR1020177009250A KR20170076657A (ko) | 2014-09-05 | 2015-09-04 | 다공성 세륨 및 지르코늄을 포함하는 산화물 |
| PCT/US2015/048546 WO2016037059A1 (en) | 2014-09-05 | 2015-09-04 | High porosity cerium and zirconium containing oxide |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177009250A Division KR20170076657A (ko) | 2014-09-05 | 2015-09-04 | 다공성 세륨 및 지르코늄을 포함하는 산화물 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20240049656A true KR20240049656A (ko) | 2024-04-16 |
Family
ID=55440395
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177009250A Ceased KR20170076657A (ko) | 2014-09-05 | 2015-09-04 | 다공성 세륨 및 지르코늄을 포함하는 산화물 |
| KR1020247011685A Pending KR20240049656A (ko) | 2014-09-05 | 2015-09-04 | 다공성 세륨 및 지르코늄을 포함하는 산화물 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177009250A Ceased KR20170076657A (ko) | 2014-09-05 | 2015-09-04 | 다공성 세륨 및 지르코늄을 포함하는 산화물 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US10864499B2 (enExample) |
| EP (2) | EP4241875A3 (enExample) |
| JP (1) | JP6698632B2 (enExample) |
| KR (2) | KR20170076657A (enExample) |
| CN (2) | CN107073443B (enExample) |
| BR (1) | BR112017004418B1 (enExample) |
| MX (1) | MX2017002950A (enExample) |
| WO (1) | WO2016037059A1 (enExample) |
| ZA (1) | ZA201702372B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201518996D0 (en) * | 2015-10-27 | 2015-12-09 | Magnesium Elektron Ltd | Zirconia-based compositions for use as three-way catalysts |
| CN109963648B (zh) * | 2016-04-26 | 2022-11-01 | 罗地亚经营管理公司 | 基于铈和锆的混合氧化物 |
| FR3050450A1 (fr) * | 2016-04-26 | 2017-10-27 | Rhodia Operations | Oxyde mixte a base de cerium et de zirconium |
| CA2936448C (en) * | 2016-07-19 | 2024-02-20 | Nova Chemicals Corporation | Controlled pressure hydrothermal treatment of odh catalyst |
| JP7333274B2 (ja) * | 2017-05-11 | 2023-08-24 | ローディア オペレーションズ | 耐性及びnox貯蔵容量が改善された混合酸化物 |
| KR102335982B1 (ko) | 2017-06-16 | 2021-12-07 | 현대자동차주식회사 | 차량용 nvh패드 |
| JP7626759B2 (ja) | 2019-10-01 | 2025-02-04 | ローディア オペレーションズ | 混合酸化物のナノ粒子の懸濁液 |
| CA3170188A1 (en) * | 2020-02-14 | 2021-08-19 | Neo Performance Materials (Singapore) Pte. Ltd. | Process for making cerium and zirconium containing compositions using mesitylene and composition made by same |
| EP4106916A1 (en) * | 2020-02-21 | 2022-12-28 | Johnson Matthey Public Limited Company | Novel twc catalysts for gasoline engine exhaust gas treatments |
| WO2021165748A1 (en) * | 2020-02-21 | 2021-08-26 | Neo Performance Materials (Singapore) Pte. Ltd. | Compositions containing cerium and zirconium and methods for preparing same using oxalic acid |
| US20230149906A1 (en) * | 2020-02-27 | 2023-05-18 | Neo Performance Materials (Singapore) Pte. Ltd. | Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and an alcohol |
| US20230094402A1 (en) * | 2020-03-16 | 2023-03-30 | Neo Performance Materials (Singapore) Pte. Ltd. | Compositions containing zirconium and cerium and methods for preparing same using oxalic acid and supercritical drying |
| CN112717927B (zh) * | 2021-04-01 | 2021-07-30 | 山东国瓷功能材料股份有限公司 | 汽车尾气处理催化剂的制备方法和应用 |
| CN117396273A (zh) | 2021-05-28 | 2024-01-12 | 罗地亚经营管理公司 | 具有特定孔隙率分布的氧化铝和氧化铈的组合物 |
| JP7057467B1 (ja) | 2021-07-28 | 2022-04-19 | 第一稀元素化学工業株式会社 | ジルコニウム複合酸化物、及び、ジルコニウム複合酸化物の製造方法 |
| WO2023006686A1 (en) | 2021-07-30 | 2023-02-02 | Rhodia Operations | Composition of aluminium oxide and cerium oxide |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2714370B1 (fr) | 1993-12-24 | 1996-03-08 | Rhone Poulenc Chimie | Précurseur d'une composition et composition à base d'un oxyde mixte de cérium et de zirconium, procédé de préparation et utilisation. |
| CN1094467C (zh) | 1999-02-15 | 2002-11-20 | 上海跃龙有色金属有限公司 | 纳米铈锆复合氧化物、其制备方法及用途 |
| US6204219B1 (en) | 1999-07-29 | 2001-03-20 | W. R. Grace & Co.-Conn. | Thermally stable support material and method for making the same |
| KR20040100136A (ko) | 2003-05-21 | 2004-12-02 | 한화석유화학 주식회사 | 금속 산화물의 도핑 방법 |
| GB0428557D0 (en) * | 2004-12-30 | 2005-02-09 | Magnesium Elektron Ltd | Thermally stable doped and undoped porous aluminium oxides and nanocomposite CeO -ZrO and A1 O containing mixed oxides |
| FR2897609B1 (fr) * | 2006-02-17 | 2009-01-16 | Rhodia Recherches & Tech | Composition a base d'oxydes de zirconium, de cerium, d'yttrium, de lanthane et d'une autre terre rare, procede de preparation et utilisation en catalyse |
| US7964527B2 (en) * | 2006-02-17 | 2011-06-21 | Rhodia Operations | Catalytic compositions comprising the oxides of zirconium, cerium, yttrium, lanthanum and other rare earths |
| PL2024084T3 (pl) * | 2006-05-15 | 2020-01-31 | RHODIA OPéRATIONS | Kompozycja na bazie tlenków cyrkonu, ceru, lantanu i itru, gadolinu lub samaru, o dużej powierzchni właściwej i zdolności do redukcji, i zastosowanie jako katalizator |
| FR2900920B1 (fr) * | 2006-05-15 | 2008-07-11 | Rhodia Recherches & Tech | Composition a base d'oxides de zirconium, de cerium, de lanthane et d'yttrium, de gadolinium ou de samarium, a surface specifique stable, procede de preparation et utilisation comme catalyseur |
| FR2917646B1 (fr) * | 2007-06-20 | 2011-06-03 | Anan Kasei Co Ltd | Oxyde mixte a haute surface specifique de cerium et d'autre terre rare, procede de preparation et utilisation en catalyse |
| JP5164665B2 (ja) * | 2008-04-09 | 2013-03-21 | 第一稀元素化学工業株式会社 | セリウム−ジルコニウム系複合酸化物及びその製造方法 |
| FR2930456B1 (fr) * | 2008-04-23 | 2010-11-19 | Rhodia Operations | Composition a base d'oxydes de zirconium, de cerium et d'yttrium, a reductibilite elevee, procedes de preparation et utilisation en catalyse |
| FR2948116B1 (fr) * | 2009-07-17 | 2012-05-04 | Rhodia Operations | Composition a base d'oxyde de cerium et d'oxyde de zirconium de porosite specifique, procede de preparation et utilisation en catalyse |
| CN101797499B (zh) * | 2010-03-02 | 2012-01-11 | 浙江大学 | 高比表面的Ce-Zr-La-O复合氧化物材料的制备方法 |
| FR2967993B1 (fr) | 2010-11-30 | 2018-04-06 | Rhodia Operations | Composition a base d'oxyde de zirconium et d'au moins un oxyde d'une terre rare autre que le cerium, a porosite specifique, ses procedes de preparation et son utilisation en catalyse |
| CN102553653B (zh) * | 2010-12-22 | 2016-09-14 | 太平洋工业发展公司 | 具有储氧能力的催化剂载体材料及其制造方法 |
| CN102247826B (zh) | 2011-05-27 | 2013-04-03 | 济南大学 | 一种高比表面积的立方相铈锆基复合氧化物及其制备方法 |
| EP2540391A1 (en) * | 2011-07-01 | 2013-01-02 | Treibacher Industrie AG | Ceria zirconia alumina composition with enhanced thermal stability |
| FR2977581B1 (fr) | 2011-07-04 | 2013-08-02 | Rhodia Operations | Composition consistant en un oxyde mixte de cerium et de zirconium a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse |
| US20130108530A1 (en) * | 2011-10-27 | 2013-05-02 | Johnson Matthey Public Limited Company | Process for producing ceria-zirconia-alumina composite oxides and applications thereof |
| CN102527403B (zh) | 2011-12-27 | 2013-11-13 | 浙江工业大学 | 一种铈基固溶体催化剂及制备方法 |
| KR20150023708A (ko) * | 2012-06-15 | 2015-03-05 | 바스프 코포레이션 | 산소 저장을 위한 혼합 금속 산화물의 복합체 |
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- 2015-09-04 EP EP15837678.0A patent/EP3188829A4/en active Pending
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- 2015-09-04 JP JP2017513022A patent/JP6698632B2/ja active Active
- 2015-09-04 KR KR1020177009250A patent/KR20170076657A/ko not_active Ceased
- 2015-09-04 CN CN201580060324.7A patent/CN107073443B/zh active Active
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- 2015-09-04 CN CN202011303460.3A patent/CN112657487B/zh active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107073443A (zh) | 2017-08-18 |
| EP4241875A3 (en) | 2023-11-08 |
| BR112017004418B1 (pt) | 2022-04-19 |
| EP3188829A1 (en) | 2017-07-12 |
| US20170274355A1 (en) | 2017-09-28 |
| KR20170076657A (ko) | 2017-07-04 |
| WO2016037059A1 (en) | 2016-03-10 |
| JP2017532278A (ja) | 2017-11-02 |
| ZA201702372B (en) | 2021-10-27 |
| CN112657487B (zh) | 2023-08-01 |
| CN112657487A (zh) | 2021-04-16 |
| US10864499B2 (en) | 2020-12-15 |
| CN107073443B (zh) | 2020-12-04 |
| MX2017002950A (es) | 2017-12-18 |
| EP3188829A4 (en) | 2018-10-31 |
| JP6698632B2 (ja) | 2020-05-27 |
| EP4241875A2 (en) | 2023-09-13 |
| BR112017004418A2 (pt) | 2017-12-05 |
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