ZA954060B - Dispersible rare earth-based compound colloidal suspension obtained from this compound the procedures for the preparation thereof and use for the manufacture of catalysts - Google Patents

Dispersible rare earth-based compound colloidal suspension obtained from this compound the procedures for the preparation thereof and use for the manufacture of catalysts

Info

Publication number
ZA954060B
ZA954060B ZA954060A ZA954060A ZA954060B ZA 954060 B ZA954060 B ZA 954060B ZA 954060 A ZA954060 A ZA 954060A ZA 954060 A ZA954060 A ZA 954060A ZA 954060 B ZA954060 B ZA 954060B
Authority
ZA
South Africa
Prior art keywords
rare earth
compound
catalysts
procedures
manufacture
Prior art date
Application number
ZA954060A
Other languages
English (en)
Inventor
Thierry Chopin
Olivier Touret
Gabriel Vilmin
Original Assignee
Rhone Poulenc Chimie
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rhone Poulenc Chimie filed Critical Rhone Poulenc Chimie
Publication of ZA954060B publication Critical patent/ZA954060B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • 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
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/32—Manganese, technetium or rhenium
    • B01J23/34—Manganese
    • 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
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/83—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 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
    • B01J37/0072—Preparation of particles, e.g. dispersion of droplets in an oil bath
    • 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
    • B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/20—Compounds containing only rare earth metals as the metal element
    • C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
    • C01F17/241—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion containing two or more rare earth metals, e.g. NdPrO3 or LaNdPrO3
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F17/00—Compounds of rare earth metals
    • C01F17/30—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6
    • C01F17/32—Compounds containing rare earth metals and at least one element other than a rare earth metal, oxygen or hydrogen, e.g. La4S3Br6 oxide or hydroxide being the only anion, e.g. NaCeO2 or MgxCayEuO
    • 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)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Dispersion Chemistry (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Colloid Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
ZA954060A 1994-05-27 1995-05-18 Dispersible rare earth-based compound colloidal suspension obtained from this compound the procedures for the preparation thereof and use for the manufacture of catalysts ZA954060B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9406448A FR2720295B1 (fr) 1994-05-27 1994-05-27 Composé dispersible à base d'une terre rare, suspension colloïdale obtenue à partir de ce composé, leurs procédés de préparation et utilisation à la fabrication de catalyseurs.

Publications (1)

Publication Number Publication Date
ZA954060B true ZA954060B (en) 1996-01-19

Family

ID=9463572

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA954060A ZA954060B (en) 1994-05-27 1995-05-18 Dispersible rare earth-based compound colloidal suspension obtained from this compound the procedures for the preparation thereof and use for the manufacture of catalysts

Country Status (13)

Country Link
US (1) US6090743A (de)
EP (1) EP0684072B1 (de)
JP (1) JP3118162B2 (de)
KR (1) KR100370535B1 (de)
CN (1) CN1150982C (de)
AT (1) ATE234151T1 (de)
AU (1) AU2025895A (de)
BR (1) BR9502568A (de)
CA (1) CA2150295C (de)
DE (1) DE69529861T2 (de)
FI (1) FI952568A (de)
FR (1) FR2720295B1 (de)
ZA (1) ZA954060B (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729309B1 (fr) * 1995-01-13 1997-04-18 Rhone Poulenc Chimie Composition catalytique a base d'oxyde de cerium et d'oxyde de manganese, de fer ou de praseodyme, son procede de preparation et son utilisation en catalyse postcombustion automobile
FR2734560B1 (fr) * 1995-05-24 1997-08-14 Rhone Poulenc Chimie Compose a base d'yttrium ou d'holmium redispersible sous forme d'un sol
EP0834348B1 (de) * 1996-10-07 2004-03-31 Kabushiki Kaisha Toyota Chuo Kenkyusho Verbundoxid, Verbundoxidträger und Katalysator
FR2756819B1 (fr) * 1996-12-06 1999-02-19 Rhodia Chimie Sa Composition a base d'oxyde de cerium ou d'oxydes de cerium et de zirconium, sous forme extrudee, son procede de preparation et son utilisation comme catalyseur
GB2334033A (en) * 1998-02-09 1999-08-11 Isis Innovation Self activated rare earth oxide nanoparticles
WO2000036050A1 (en) 1998-12-17 2000-06-22 Isis Innovation Limited Rare earth-activated phosphors
US6706210B1 (en) 1998-12-17 2004-03-16 Isis Innovation Limited Ternary oxide phosphor particles
EP1020216B1 (de) * 1999-01-18 2004-06-02 Kabushiki Kaisha Toyota Chuo Kenkyusho Katalysator zur Reinigung von Abgasen
US6335305B1 (en) 1999-01-18 2002-01-01 Kabushiki Kaisha Toyota Chuo Kenkyusho Catalyst for purifying exhaust gas
FR2797199B1 (fr) * 1999-08-04 2001-10-05 Rhodia Terres Rares Dispersion colloidale organique de particules essentiellement monocristallines d'au moins un compose a base d'au moins une terre rare, son procede de preparation et son utilisation
US6797845B1 (en) 1999-11-22 2004-09-28 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent
US6680415B1 (en) * 1999-11-22 2004-01-20 Dow Global Technologies Inc. Oxyhalogenation process using catalyst having porous rare earth halide support
US6933417B1 (en) 1999-11-22 2005-08-23 Dow Global Technologies Inc. Process for vinyl chloride manufacture from ethane and ethylene with partial CHl recovery from reactor effluent
US6909024B1 (en) * 1999-11-22 2005-06-21 The Dow Chemical Company Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process
FR2801299B1 (fr) * 1999-11-23 2002-06-07 Rhodia Terres Rares Dispersion colloidale aqueuse a base d'au moins un compose d'un lanthanide et d'un complexant, procede de preparation et utilisation
GB0012377D0 (en) * 2000-05-22 2000-07-12 Isis Innovation Oxide based phosphors
JP2004508068A (ja) 2000-09-18 2004-03-18 ロスマンズ、ベンソン　アンド　ヘッジズ　インコーポレイテッド 不燃性処理材料を備える低副流煙紙巻きタバコ
JP4275952B2 (ja) * 2001-05-23 2009-06-10 ダウ グローバル テクノロジーズ インコーポレイティド Ｃ３＋炭化水素の酸化的ハロゲン化および任意的な脱水素
JP4863596B2 (ja) * 2001-06-18 2012-01-25 日産自動車株式会社 排気ガス浄化システム
CA2458955C (en) * 2001-09-14 2011-05-17 Rothmans, Benson & Hedges Inc. A process for making rare earth metal oxide-coated microporous materials
GB2381530A (en) * 2001-11-01 2003-05-07 Oxonica Ltd Water-soluble particles of luminescent materials and their use in Biotagging
RU2305480C2 (ru) * 2002-03-15 2007-09-10 Ротманс, Бенсон Энд Хеджиз Инк. Сигарета с низким уровнем побочной струи дыма, с горючей бумагой, имеющей модифицированные характеристики пепла
US20040152929A1 (en) * 2002-05-08 2004-08-05 Clarke William D Process for vinyl chloride manufacture from ethane and ethylene with air feed and alternative hcl processing methods
DE10357339A1 (de) * 2003-12-09 2005-07-14 Degussa Ag Verfahren und Vorrichtung zur Herstellung von anorganischen Materialien
DE102006032590A1 (de) * 2006-07-13 2008-01-17 H.C. Starck Gmbh Hydrothermales Verfahren zur Herstellung von nano- bis mikroskaligen Partikeln
JP2010047432A (ja) * 2008-08-19 2010-03-04 Sumitomo Osaka Cement Co Ltd 粒子集合体およびその製造方法
JP5494746B2 (ja) * 2012-07-17 2014-05-21 住友大阪セメント株式会社 粒子集合体の製造方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2257326B1 (de) 1973-06-19 1976-05-28 Rhone Progil
IT1070310B (it) * 1975-10-22 1985-03-29 Atomic Energy Authority Uk Catalizzatore particolarmente per il trattamento dei gas di scarico di autoveicoli..e procedimento per la sua preparazione
FR2419754A1 (fr) 1978-03-14 1979-10-12 Rhone Poulenc Ind Dispositif pour la mise en contact de substances se presentant sous au moins deux phases differentes
FR2431321A1 (fr) 1978-07-21 1980-02-15 Rhone Poulenc Ind Procede de traitement de substances se presentant sous des phases differentes, tel que traitement de substances sous forme liquide, semi-liquide, ou pateuse, par une autre phase notamment gazeuse
FR2583737B1 (fr) * 1985-06-20 1987-08-14 Rhone Poulenc Spec Chim Nouveau compose de cerium iv et son procede de preparation.
FR2593195B1 (fr) * 1986-01-22 1988-08-12 Centre Nat Rech Scient Nouvelles compositions particulaires d'oxyde de terre rare, leur preparation et leur application
FR2596382B1 (fr) * 1986-03-26 1988-05-27 Rhone Poulenc Chimie Dispersions aqueuses colloidales d'un compose de cerium iv et leur procede d'obtention
US4791091A (en) * 1987-09-30 1988-12-13 Allied-Signal Inc. Catalyst for treatment of exhaust gases from internal combustion engines and method of manufacturing the catalyst
FR2655972B1 (fr) * 1989-12-15 1992-04-24 Rhone Poulenc Chimie Procede de preparation d'une dispersion collouidale d'un compose de cerium iv en milieu aqueux et dispersions obtenues.
US5081095A (en) * 1990-09-10 1992-01-14 General Motors Corporation Method of making a support containing an alumina-ceria washcoat for a noble metal catalyst
JPH0710730B2 (ja) * 1990-11-22 1995-02-08 信越化学工業株式会社 希土類元素酸化物の製造方法
FR2677347B1 (fr) * 1991-06-05 1993-08-20 Rhone Poulenc Chimie Composition a base d'oxyde cerique, sa preparation et ses utilisations.
US5132264A (en) * 1991-07-01 1992-07-21 Heiko Mauermann Concentrated water soluble organic lanthanide salts
FR2719502B1 (fr) * 1994-05-09 1996-06-07 Rhone Poulenc Chimie Dispersion colloïdale à base d'oxyde de cérium et d'oxyde de titane son procédé de préparation, son application au revêtement de substrats et substrats ainsi revêtus.

Also Published As

Publication number Publication date
FI952568A0 (fi) 1995-05-26
US6090743A (en) 2000-07-18
DE69529861D1 (de) 2003-04-17
CN1118716A (zh) 1996-03-20
JP3118162B2 (ja) 2000-12-18
FR2720295A1 (fr) 1995-12-01
ATE234151T1 (de) 2003-03-15
KR100370535B1 (ko) 2003-03-19
AU2025895A (en) 1995-12-07
BR9502568A (pt) 1995-12-26
FR2720295B1 (fr) 1996-07-12
EP0684072A2 (de) 1995-11-29
EP0684072B1 (de) 2003-03-12
CA2150295A1 (fr) 1995-11-28
CN1150982C (zh) 2004-05-26
DE69529861T2 (de) 2003-12-24
CA2150295C (fr) 1999-09-28
EP0684072A3 (de) 1996-02-28
FI952568A (fi) 1995-11-28
KR950031908A (ko) 1995-12-20
JPH082918A (ja) 1996-01-09

Similar Documents

Publication Publication Date Title
ZA954060B (en) Dispersible rare earth-based compound colloidal suspension obtained from this compound the procedures for the preparation thereof and use for the manufacture of catalysts
DE69837664D1 (de) Wässrige suspensionspräparationen mit exzellenter redispersibilität
CA2146635A1 (en) Concentrated mouthrinse for efficient delivery of antimicrobials
DE69203928D1 (de) Fahrzeugmontageverfahren und Fahrzeugkarosserie.
AU4322297A (en) 1,2,3-thiadiazole derivatives and salts thereof, disease controlling agents for agricultural and horticultural use, and method for the use thereof
ITMI921507A1 (it) Granulati compositi, scorrevoli, idrofobi, un procedimento per la loro preparazione nonche' loro impiego
DE69300091D1 (de) Spielfahrzeugaufhängungssystem.
EP0626500A3 (de) Mehrfachschneiden-Richtbohrkopf.
IT1276537B1 (it) Sistema di sospensione attiva, particolarmente per autoveicoli.
SG83766A1 (en) Head slider suspension and head assembly, and method of manufacturing the same
TR28858A (tr) Insektisid özellikte N'-sübstitüe edilmis-N, N'-diacilhidrazinleri üretmeye mahsus yöntem.
EP0351799A3 (de) Antifungale Antibiotika
ITTO940028A0 (it) Gruppo di cuscino d'aria perfezionato per autoveicoli.
IT1299146B1 (it) Catalizzatori per l'ossidazione selettiva di alcoli, procedimento per produrli e procedimento di ossidazione di alcoli.
IT1311125B1 (it) Dispositivo di sospensione per l'impianto di gas di scarico di un autoveicolo.
DE59002825D1 (de) Fahrerhaus-Schlafliege-Aufhängung und Verriegelung.
IT1293266B1 (it) Procedimento per l'assorbimento selettivo di ossidi di azoto.
WO2003010014A3 (en) Load centering spring perch
IT1240189B (it) Procedimento e sistema per il controllo della traiettoria di veicoli, particolarmente autovetture
DE59300787D1 (de) Stabile 3,3'-Dichlorbenzidin-Dihydrochlorid-Suspension.
WO1999048917A3 (de) Formulierung mit papillomavirus-spezifischem protein, seine herstellung und verwendung
CA2284669A1 (en) Improved dasc compositions, process for preparing same and suspensions containing same
AU8668091A (en) Air-inlet pipe, preferably for the driving cabins of agricultural tractors
FR2719542B3 (fr) Tête d'attelage destinée au raccordement de véhicules ferroviaires.
EP0369749A3 (de) Antitumor-Verbindungen