FR2897609B1 - 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 - Google Patents
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 catalyseInfo
- Publication number
- FR2897609B1 FR2897609B1 FR0601407A FR0601407A FR2897609B1 FR 2897609 B1 FR2897609 B1 FR 2897609B1 FR 0601407 A FR0601407 A FR 0601407A FR 0601407 A FR0601407 A FR 0601407A FR 2897609 B1 FR2897609 B1 FR 2897609B1
- Authority
- FR
- France
- Prior art keywords
- lanthan
- yttrium
- cerium
- catalysis
- zirconium
- 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.)
- Active
Links
- 229910052684 Cerium Inorganic materials 0.000 title 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title 1
- 238000006555 catalytic reaction Methods 0.000 title 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 title 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 title 1
- 229910052727 yttrium Inorganic materials 0.000 title 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 title 1
- 229910052726 zirconium Inorganic materials 0.000 title 1
Classifications
-
- 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
-
- 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
- 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
-
- 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/61—Surface area
- B01J35/613—10-100 m2/g
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/206—Rare earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20715—Zirconium
-
- 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
- B01J23/38—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
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/03—Precipitation; Co-precipitation
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/06—Washing
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/10—Heat treatment in the presence of water, e.g. steam
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
- C01P2006/13—Surface area thermal stability thereof at high temperatures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0601407A FR2897609B1 (fr) | 2006-02-17 | 2006-02-17 | 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 |
JP2008554760A JP5498023B2 (ja) | 2006-02-17 | 2007-02-13 | ジルコニウムの酸化物、セリウムの酸化物、イットリウムの酸化物、ランタンの酸化物および他の希土類の酸化物に基づく組成物、同組成物の調製方法ならびに触媒としての使用 |
PL07704559T PL1991354T3 (pl) | 2006-02-17 | 2007-02-13 | Kompozycja na bazie tlenków cyrkonu, ceru, itru, lantanu i innych metali ziem rzadkich, sposób otrzymywania i zastosowanie w katalizie |
EP07704559.9A EP1991354B1 (fr) | 2006-02-17 | 2007-02-13 | 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 |
PCT/EP2007/051387 WO2007093593A1 (fr) | 2006-02-17 | 2007-02-13 | 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 |
KR1020087019994A KR101030623B1 (ko) | 2006-02-17 | 2007-02-13 | 지르코늄, 세륨, 이트륨, 란타늄의 산화물 및 또 다른 희토류의 산화물을 기재로 하는 조성물, 그의 제조 방법 및촉매 용도 |
CA2642237A CA2642237C (fr) | 2006-02-17 | 2007-02-13 | 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 |
DK07704559.9T DK1991354T3 (da) | 2006-02-17 | 2007-02-13 | Sammensætning på basis af zirconium-, cerium-, yttrium- og lanthanoxid og et yderligere sjældent jordartsmetals oxid, fremgangsmåde til fremstilling heraf og katalytisk anvendelse heraf |
CN2007800055799A CN101511479B (zh) | 2006-02-17 | 2007-02-13 | 基于锆、铈、钇、镧和另外稀土元素的氧化物的组合物、其制备方法和作为催化剂的用途 |
RU2008137138/04A RU2398629C2 (ru) | 2006-02-17 | 2007-02-13 | Композиция на основе оксидов циркония, церия, иттрия, лантана и другого редкоземельного элемента, способ получения и применение в катализе |
KR1020117004510A KR101076945B1 (ko) | 2006-02-17 | 2007-02-13 | 지르코늄, 세륨, 이트륨, 란타늄의 산화물 및 또 다른 희토류의 산화물을 기재로 하는 조성물, 그의 제조 방법 및 촉매 용도 |
US12/279,382 US7964527B2 (en) | 2006-02-17 | 2007-02-13 | Catalytic compositions comprising the oxides of zirconium, cerium, yttrium, lanthanum and other rare earths |
KR1020117020245A KR101142669B1 (ko) | 2006-02-17 | 2007-02-13 | 지르코늄, 세륨, 이트륨, 란타늄의 산화물 및 또 다른 희토류의 산화물을 기재로 하는 조성물, 그의 제조 방법 및 촉매 용도 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0601407A FR2897609B1 (fr) | 2006-02-17 | 2006-02-17 | 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2897609A1 FR2897609A1 (fr) | 2007-08-24 |
FR2897609B1 true FR2897609B1 (fr) | 2009-01-16 |
Family
ID=37009599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0601407A Active FR2897609B1 (fr) | 2006-02-17 | 2006-02-17 | 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 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101511479B (fr) |
FR (1) | FR2897609B1 (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2898887B1 (fr) | 2006-03-21 | 2008-05-02 | Rhodia Recherches & Tech | Composition a base d'oxyde de zirconium et d'oxyde de cerium a reductibilite elevee et a surface specifique stable procede de preparation et utilisation dans le traitement des gaz d'echappement |
FR2976574B1 (fr) * | 2011-06-17 | 2013-05-31 | Rhodia Operations | Composition a base d'oxydes de cerium, de zirconium et d'une autre terre rare a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse. |
RU2608741C2 (ru) * | 2011-07-14 | 2017-01-23 | Трайбахер Индустри Аг | Композиция оксида церия, диоксида циркония и оксида алюминия с повышенной термической стабильностью |
DE102011107702A1 (de) | 2011-07-14 | 2013-01-17 | Sasol Germany Gmbh | Verfahren zur Herstellung von Kompositen aus Aluminiumoxid und Cer-/Zirkonium-Mischoxiden |
US10239045B2 (en) * | 2013-12-23 | 2019-03-26 | Rhodia Operations | Inorganic composite oxides and methods of making the same |
CN107073443B (zh) * | 2014-09-05 | 2020-12-04 | 尼奥性能材料(新加坡)有限公司 | 高孔隙度的含铈和锆的氧化物 |
FR3050450A1 (fr) * | 2016-04-26 | 2017-10-27 | Rhodia Operations | Oxyde mixte a base de cerium et de zirconium |
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 |
JP7114595B2 (ja) * | 2016-12-23 | 2022-08-08 | ローディア オペレーションズ | セリウム、ジルコニウム、アルミニウム及びランタンから製造される自動車用触媒コンバーターのための耐老化性混合酸化物 |
US10322409B1 (en) * | 2018-03-05 | 2019-06-18 | King Fahd University Of Petroleum And Minerals | Low temperature hydrothermal method for the preparation of LaCO3OH nanoparticles |
WO2020061723A1 (fr) * | 2018-09-24 | 2020-04-02 | Rhodia Operations | Oxyde mixte à réductibilité améliorée |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2736343B1 (fr) * | 1995-07-03 | 1997-09-19 | Rhone Poulenc Chimie | Composition a base d'oxyde de zirconium et d'oxyde de cerium, procede de preparation et utilisation |
US5958827A (en) * | 1995-12-07 | 1999-09-28 | Toyota Jidosha Kabushiki Kaisha | Solid solution particle of oxides, a process for producing the same and a catalyst for purifying exhaust gases |
JP4094689B2 (ja) * | 1996-04-05 | 2008-06-04 | 阿南化成株式会社 | 酸素吸収放出能を有する複合酸化物の製造法 |
FR2793161B1 (fr) * | 1999-05-07 | 2001-10-12 | Renault | Dispositif d'epuration des gaz d'echappement pour moteur a combustion interne |
US6387338B1 (en) * | 2000-03-15 | 2002-05-14 | Delphi Technologies, Inc. | Preparation of multi-component Ce, Zr, Mox high oxygen-ion-conduct/oxygen-storage-capacity materials |
FR2852592B1 (fr) * | 2003-03-18 | 2007-02-23 | Rhodia Elect & Catalysis | Compositions a base d'un oxyde de cerium, d'un oxyde de zirconium et, eventuellement d'un oxyde d'une autre terre rare, a surface specifique elevee a 1100 c, leur procede de preparation et leur utilisation comme catalyseur |
-
2006
- 2006-02-17 FR FR0601407A patent/FR2897609B1/fr active Active
-
2007
- 2007-02-13 CN CN2007800055799A patent/CN101511479B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN101511479B (zh) | 2012-07-18 |
CN101511479A (zh) | 2009-08-19 |
FR2897609A1 (fr) | 2007-08-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2897609B1 (fr) | 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 | |
PL1991354T3 (pl) | Kompozycja na bazie tlenków cyrkonu, ceru, itru, lantanu i innych metali ziem rzadkich, sposób otrzymywania i zastosowanie w katalizie | |
FR2930456B1 (fr) | Composition a base d'oxydes de zirconium, de cerium et d'yttrium, a reductibilite elevee, procedes de preparation et utilisation en catalyse | |
FR2959735B1 (fr) | Composition a base d'oxydes de zirconium, de cerium d'au moins une autre terre rare, a porosite specifique, procede de preparation et utilisation en catalyse. | |
FR2917646B1 (fr) | Oxyde mixte a haute surface specifique de cerium et d'autre terre rare, procede de preparation et utilisation en catalyse | |
FR2841547B1 (fr) | Composition a base d'oxyde de zirconium et d'oxydes de cerium, de lanthane et d'une autre terre rare, son procede de preparation et son utilisation comme catalyseur | |
PL2024084T3 (pl) | Kompozycja na bazie tlenków cyrkonu, ceru, lantanu i itru, gadolinu lub samaru, o dużej powierzchni właściwej i zdolności do redukcji, i zastosowanie jako katalizator | |
FR2868768B1 (fr) | Composition a base d'oxydes de zirconium et d'ytrium, procede de preparation et utilisation dans un systeme catalytique | |
FR2967993B1 (fr) | 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 | |
PL1603667T3 (pl) | Kompozycja na bazie tlenku cyrkonu i tlenku ceru o zmniejszonej maksymalnej temperaturze redukcyjności, sposób jej wytwarzania i jej zastosowanie jako katalizatora | |
FR2955098B1 (fr) | Composition a base d'oxydes de zirconium, de cerium et d'une autre terre rare a temperature maximale de reductibilite reduite, procede de preparation et utilisation dans le domaine de la catalyse. | |
FR2962431B1 (fr) | Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse. | |
DE602005017524D1 (de) | Vorrichtungen zur Reparatur von Rissen im dreieckigen Faserknorpel-Komplex | |
PL1660406T4 (pl) | Kompozycja na bazie tlenku ceru i tlenku cyrkonu o zwiększonej przewodności i powierzchni, sposób jej wytwarzania i zastosowanie jako katalizatora | |
NO20052447D0 (no) | NOx-reduksjonssammensetninger for anvendelse i FCC-prosesser | |
FR2901155B1 (fr) | Compositions utilisees notamment pour le piegeage d'oxydes d'azote (nox) | |
FR2852592B1 (fr) | Compositions a base d'un oxyde de cerium, d'un oxyde de zirconium et, eventuellement d'un oxyde d'une autre terre rare, a surface specifique elevee a 1100 c, leur procede de preparation et leur utilisation comme catalyseur | |
PL2059339T3 (pl) | Kompozycja o dużej zdolności do redukcji na bazie nanometrycznego tlenku ceru osadzonego na podłożu, sposób wytwarzania i zastosowania jako katalizator | |
GB0301599D0 (en) | Cerium oxide nanoparticles as fuel additives | |
IL185330A0 (en) | Method for controlling nox emissions in the fccu | |
PL2454196T3 (pl) | Kompozycja wytwarzana na bazie tlenku ceru i tlenku cyrkonu o specyficznej porowatości, sposób wytwarzania i zastosowanie w katalizie | |
FR2976574B1 (fr) | Composition a base d'oxydes de cerium, de zirconium et d'une autre terre rare a reductibilite elevee, procede de preparation et utilisation dans le domaine de la catalyse. | |
FR2900920B1 (fr) | 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 | |
ID30591A (id) | Penggeser untuk pengikat geser dengan sarana pengunci | |
EP1973122A4 (fr) | Supraconducteur en oxyde de forme conique contenant des terres rares |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
PLFP | Fee payment |
Year of fee payment: 11 |
|
PLFP | Fee payment |
Year of fee payment: 12 |
|
PLFP | Fee payment |
Year of fee payment: 13 |
|
PLFP | Fee payment |
Year of fee payment: 15 |
|
PLFP | Fee payment |
Year of fee payment: 16 |
|
PLFP | Fee payment |
Year of fee payment: 17 |
|
PLFP | Fee payment |
Year of fee payment: 18 |
|
CA | Change of address |
Effective date: 20230824 |
|
PLFP | Fee payment |
Year of fee payment: 19 |