GR3006271T3 - - Google Patents

Info

Publication number
GR3006271T3
GR3006271T3 GR920402629T GR920402629T GR3006271T3 GR 3006271 T3 GR3006271 T3 GR 3006271T3 GR 920402629 T GR920402629 T GR 920402629T GR 920402629 T GR920402629 T GR 920402629T GR 3006271 T3 GR3006271 T3 GR 3006271T3
Authority
GR
Greece
Prior art keywords
angstrom
calcination
catalysis
pores
employed
Prior art date
Application number
GR920402629T
Other languages
Greek (el)
English (en)
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 filed Critical
Publication of GR3006271T3 publication Critical patent/GR3006271T3/el

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • B01J35/615—100-500 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
    • 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
    • B01J35/63—Pore volume
    • B01J35/633—Pore volume less than 0.5 ml/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
    • 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
    • B01J35/64—Pore diameter
    • B01J35/647—2-50 nm
    • 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
    • B01J35/66—Pore distribution
    • B01J35/67—Pore distribution monomodal
    • 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
    • C01F17/224—Oxides or hydroxides of lanthanides
    • C01F17/235—Cerium oxides or hydroxides
    • 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
    • C01F17/276—Nitrates
    • 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
    • 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
    • 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
    • C01P2006/14—Pore volume
    • 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
    • C01P2006/16—Pore diameter

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Catalysts (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Cephalosporin Compounds (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Colloid Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Glass Compositions (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Compositions Of Oxide Ceramics (AREA)
GR920402629T 1986-03-26 1992-11-18 GR3006271T3 (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8604347A FR2596381B1 (fr) 1986-03-26 1986-03-26 Oxydes ceriques a nouvelles caracteristiques morphologiques et leur procede d'obtention

Publications (1)

Publication Number Publication Date
GR3006271T3 true GR3006271T3 (https=) 1993-06-21

Family

ID=9333571

Family Applications (1)

Application Number Title Priority Date Filing Date
GR920402629T GR3006271T3 (https=) 1986-03-26 1992-11-18

Country Status (12)

Country Link
US (1) US5064628A (https=)
EP (1) EP0239478B1 (https=)
JP (2) JPH0692253B2 (https=)
KR (1) KR910010127B1 (https=)
AT (1) ATE79839T1 (https=)
AU (1) AU599362B2 (https=)
BR (1) BR8701982A (https=)
CA (1) CA1332780C (https=)
DE (1) DE3781299T2 (https=)
ES (1) ES2051761T3 (https=)
FR (1) FR2596381B1 (https=)
GR (1) GR3006271T3 (https=)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2608583B1 (fr) * 1986-12-19 1990-12-07 Rhone Poulenc Chimie Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2617153B1 (fr) * 1987-06-26 1991-04-05 Rhone Poulenc Chimie Procede d'obtention d'un oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
FR2617154B1 (fr) * 1987-06-29 1990-11-30 Rhone Poulenc Chimie Procede d'obtention d'oxyde cerique et oxyde cerique a nouvelles caracteristiques morphologiques
EP0300853B1 (fr) * 1987-06-29 1991-09-18 Rhone-Poulenc Chimie Procédé d'obtention d'un oxyde cérique
FR2632945B1 (fr) * 1988-06-15 1991-02-08 Rhone Poulenc Chimie Procede d'obtention d'un oxyde cerique de grande surface specifique
FR2621576B1 (fr) * 1987-10-09 1990-01-05 Rhone Poulenc Chimie Dispersion colloidale d'un compose de cerium iv en milieu aqueux et son procede de preparation
FR2623793B1 (fr) * 1987-11-30 1991-06-07 Rhone Poulenc Chimie Procede de preparation de granules a base d'oxyde de titane, de zirconium, ou de cerium et produits ainsi obtenus
FR2628655B1 (fr) * 1988-03-16 1990-07-20 Pro Catalyse Support de catalyseur et catalyseur pour le traitement des gaz d'echappement des moteurs a combustion interne et procede de fabrication de ceux-ci
FR2640611A1 (fr) * 1988-12-16 1990-06-22 Rhone Poulenc Chimie Oxyde de terre rare a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2640954B1 (https=) * 1988-12-23 1991-03-29 Rhone Poulenc Chimie
US5279789A (en) * 1988-12-23 1994-01-18 Rhone-Poulenc Chimie Ceric oxide particulates having improved morphology
FR2646843B1 (fr) * 1989-05-10 1991-12-13 Rhone Poulenc Chimie Zircone microporeuse et son procede de preparation
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.
EP1020223A3 (en) * 1999-01-12 2001-09-12 Kabushiki Kaisha Toyota Chuo Kenkyusho Porous material and production process thereof, catalyst comprising the porous material and process for purifying exhaust gas
US6187824B1 (en) * 1999-08-25 2001-02-13 Nyacol Nano Technologies, Inc. Zinc oxide sol and method of making
TW528796B (en) * 2000-12-13 2003-04-21 Mitsui Mining & Amp Smelting C Cerium-based abrasive and method of evaluating the same
TWI272249B (en) * 2001-02-27 2007-02-01 Nissan Chemical Ind Ltd Crystalline ceric oxide sol and process for producing the same
US6863825B2 (en) 2003-01-29 2005-03-08 Union Oil Company Of California Process for removing arsenic from aqueous streams
DE10337199A1 (de) * 2003-08-13 2005-03-10 Degussa Ceroxidpulver
US7553465B2 (en) * 2005-08-12 2009-06-30 Degussa Ag Cerium oxide powder and cerium oxide dispersion
JP4982692B2 (ja) * 2006-03-17 2012-07-25 Ｄｏｗａエレクトロニクス株式会社 触媒用酸化セリウム粉体およびｄｐｆ
US7648548B2 (en) * 2006-05-10 2010-01-19 Corning Incorporated High porosity cordierite composition
JP5279183B2 (ja) * 2006-10-12 2013-09-04 第一稀元素化学工業株式会社 セリウム系酸化物の製造方法
US8066874B2 (en) 2006-12-28 2011-11-29 Molycorp Minerals, Llc Apparatus for treating a flow of an aqueous solution containing arsenic
US8349764B2 (en) 2007-10-31 2013-01-08 Molycorp Minerals, Llc Composition for treating a fluid
US8252087B2 (en) 2007-10-31 2012-08-28 Molycorp Minerals, Llc Process and apparatus for treating a gas containing a contaminant
US9233863B2 (en) 2011-04-13 2016-01-12 Molycorp Minerals, Llc Rare earth removal of hydrated and hydroxyl species
JP5589996B2 (ja) * 2011-09-12 2014-09-17 株式会社日立製作所 二酸化炭素捕捉材
US9975787B2 (en) 2014-03-07 2018-05-22 Secure Natural Resources Llc Removal of arsenic from aqueous streams with cerium (IV) oxide compositions
EP3020689A1 (en) * 2014-11-12 2016-05-18 Rhodia Operations Cerium oxide particles and method for production thereof
CN109195699A (zh) * 2016-05-16 2019-01-11 日立化成株式会社 吸附剂、二氧化碳的除去方法、二氧化碳除去器以及空调装置
EP3459624A4 (en) * 2016-05-16 2020-01-15 Hitachi Chemical Co., Ltd. ABSORPTION AGENT, CARBON DIOXIDE REMOVAL METHOD, CARBON DIOXIDE REMOVAL DEVICE, AND CARBON DIOXIDE REMOVAL SYSTEM

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3761571A (en) * 1970-02-10 1973-09-25 Atomic Energy Authority Uk Production of ceria
DD145853A3 (de) * 1973-12-03 1981-01-14 Adolf Kaller Verfahren zur herstellung grobkoer iger zusammenballungen feinkristalliner cerdioxidhydrat
DE2857146T1 (de) * 1977-11-01 1980-12-04 Atomic Energy Authority Uk Production of dispersions
SU833525A1 (ru) * 1979-07-27 1981-05-30 Институт Общей И Неорганической Химии Анбелорусской Ccp Способ получени двуокиси цери
DE3271142D1 (en) * 1981-08-07 1986-06-19 Atomic Energy Authority Uk Cerium compounds
FR2559755A1 (fr) * 1984-02-20 1985-08-23 Rhone Poulenc Spec Chim Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2559754A1 (fr) * 1984-02-20 1985-08-23 Rhone Poulenc Spec Chim Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention
FR2583735B1 (fr) * 1985-06-20 1990-11-23 Rhone Poulenc Spec Chim Nouvelles dispersions colloidales d'un compose de cerium iv en milieu aqueux et leur procede d'obtention.
FR2583736B1 (fr) * 1985-06-20 1987-08-14 Rhone Poulenc Spec Chim Nouveau compose de cerium iv et son procede de preparation.
FR2584388B1 (fr) * 1985-07-03 1991-02-15 Rhone Poulenc Spec Chim Composition a base d'oxyde cerique, sa preparation et ses utilisations
FR2608583B1 (fr) * 1986-12-19 1990-12-07 Rhone Poulenc Chimie Oxyde cerique a nouvelles caracteristiques morphologiques et son procede d'obtention

Also Published As

Publication number Publication date
DE3781299T2 (de) 1993-03-18
AU599362B2 (en) 1990-07-19
BR8701982A (pt) 1988-01-12
KR910010127B1 (ko) 1991-12-17
US5064628A (en) 1991-11-12
CA1332780C (fr) 1994-11-01
JP2905194B2 (ja) 1999-06-14
EP0239478A2 (fr) 1987-09-30
FR2596381A1 (fr) 1987-10-02
DE3781299D1 (de) 1992-10-01
ATE79839T1 (de) 1992-09-15
EP0239478B1 (fr) 1992-08-26
JPH0692253B2 (ja) 1994-11-16
AU7060487A (en) 1987-10-01
EP0239478A3 (en) 1987-12-09
ES2051761T3 (es) 1994-07-01
KR870008791A (ko) 1987-10-20
JPS62275022A (ja) 1987-11-30
JPH1143325A (ja) 1999-02-16
FR2596381B1 (fr) 1988-05-27

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