CA1132963A - Billes d'alumine a double porosite, leur procede de preparation et leurs applications comme supports de catalyseurs - Google Patents

Billes d'alumine a double porosite, leur procede de preparation et leurs applications comme supports de catalyseurs

Info

Publication number
CA1132963A
CA1132963A CA346,371A CA346371A CA1132963A CA 1132963 A CA1132963 A CA 1132963A CA 346371 A CA346371 A CA 346371A CA 1132963 A CA1132963 A CA 1132963A
Authority
CA
Canada
Prior art keywords
alumina
boehmite
spheroidal
particles
ultra
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
Application number
CA346,371A
Other languages
English (en)
French (fr)
Inventor
Roland Jacques
Gilbert Bouge
Laurent Seigneurin
Regis Poisson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
Rhone Poulenc Industries SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9222440&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1132963(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhone Poulenc Industries SA filed Critical Rhone Poulenc Industries SA
Application granted granted Critical
Publication of CA1132963A publication Critical patent/CA1132963A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/02Boron or aluminium; Oxides or hydroxides thereof
    • B01J21/04Alumina
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/02Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
    • B01J2/06Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
    • B01J2/08Gelation of a colloidal solution
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00Compounds of aluminium
    • C01F7/02Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/04Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
    • C01F7/14Aluminium oxide or hydroxide from alkali metal aluminates
    • C01F7/141Aluminium oxide or hydroxide from alkali metal aluminates from aqueous aluminate solutions by neutralisation with an acidic agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/61Surface area
    • B01J35/615100-500 m2/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/63Pore volume
    • B01J35/6350.5-1.0 ml/g
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/64Pore diameter
    • B01J35/6472-50 nm
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00Catalysts, in general, characterised by their form or physical properties
    • B01J35/60Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J35/66Pore distribution
    • B01J35/69Pore distribution bimodal
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/02Amorphous compounds
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/60Compounds characterised by their crystallite size
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00Crystal-structural characteristics
    • C01P2002/70Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/30Particle morphology extending in three dimensions
    • C01P2004/32Spheres
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/60Particles characterised by their size
    • C01P2004/61Micrometer sized, i.e. from 1-100 micrometer
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/12Surface area
    • C01P2006/13Surface area thermal stability thereof at high temperatures
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/14Pore volume
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/16Pore diameter
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00Physical properties of inorganic compounds
    • C01P2006/21Attrition-index or crushing strength of granulates
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/50Stabilized
    • Y10S502/503Crush strength

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Catalysts (AREA)
CA346,371A 1979-02-26 1980-02-25 Billes d'alumine a double porosite, leur procede de preparation et leurs applications comme supports de catalyseurs Expired CA1132963A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7904810A FR2449474A1 (fr) 1979-02-26 1979-02-26 Billes d'alumine a double porosite, leur procede de preparation et leurs applications comme supports de catalyseurs
FR79.04810 1979-02-26

Publications (1)

Publication Number Publication Date
CA1132963A true CA1132963A (fr) 1982-10-05

Family

ID=9222440

Family Applications (1)

Application Number Title Priority Date Filing Date
CA346,371A Expired CA1132963A (fr) 1979-02-26 1980-02-25 Billes d'alumine a double porosite, leur procede de preparation et leurs applications comme supports de catalyseurs

Country Status (9)

Country Link
US (1) US4315839A (en, 2012)
EP (1) EP0015801B2 (en, 2012)
JP (1) JPS6049135B2 (en, 2012)
BR (1) BR8001096A (en, 2012)
CA (1) CA1132963A (en, 2012)
DE (1) DE3064074D1 (en, 2012)
ES (1) ES488840A1 (en, 2012)
FR (1) FR2449474A1 (en, 2012)
MX (1) MX6359E (en, 2012)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56108532A (en) * 1980-02-04 1981-08-28 Hitachi Ltd Iodine adsorbing material and preparation thereof
DE3167768D1 (en) * 1980-02-26 1985-01-31 Ici Plc Porous aluminas and their preparation
NL8200087A (nl) * 1981-01-19 1982-08-16 Mitsubishi Chem Ind Werkwijze voor het bereiden van een poreus vuurvast anorganisch oxyde.
US4549957A (en) * 1981-06-17 1985-10-29 Amoco Corporation Hydrotreating catalyst and process
DE3212249C2 (de) * 1982-04-02 1986-08-21 Condea Chemie GmbH, 2212 Brunsbüttel Verfahren zur Herstellung von kugelförmiger Tonerde
FR2527197B1 (fr) * 1982-05-19 1985-06-21 Rhone Poulenc Spec Chim Procede de fabrication de billes d'alumine mises en forme par coagulation en gouttes
FR2528721B1 (fr) * 1982-06-17 1986-02-28 Pro Catalyse Ste Fse Prod Cata Catalyseur supporte presentant une resistance accrue aux poisons et son utilisation en particulier pour l'hydrotraitement de fractions petrolieres contenant des metaux
FR2537889B1 (fr) * 1982-12-20 1992-10-09 Pro Catalyse Procede de traitement d'hydrocarbures en presence d'un catalyseur a base de billes d'alumine mises en forme par coagulation en gouttes
JPS6027646A (ja) * 1983-07-25 1985-02-12 三菱重工業株式会社 アルミナ成形体の製造方法
WO1985003241A1 (en) * 1984-01-30 1985-08-01 Eka Ab Filler or a support for catalytically active substances, a process for producing said filler or support, a catalyst produced from said support, and the use of said catalyst
SE8402916L (sv) * 1984-01-30 1985-07-31 Eka Ab Katalytisk avgasrenare och sett att framstella denna
US4755499A (en) * 1984-10-12 1988-07-05 Noxso Corporation Sorbent for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams
US5032379A (en) * 1984-11-13 1991-07-16 Aluminum Company Of America Alumina suitable for catalytic applications
WO1992002456A1 (en) * 1985-03-18 1992-02-20 Aluminum Company Of America Alumina suitable for catalytic applications
GB8511048D0 (en) * 1985-05-01 1985-06-12 Unilever Plc Inorganic structures
EP0256359B1 (en) * 1986-07-25 1992-05-20 Mitsubishi Petrochemical Co., Ltd. Catalysts and use thereof for removing nitrogen oxides in exhaust gas
US4771029A (en) * 1987-05-18 1988-09-13 W. R. Grace & Co.-Conn Monolith washcoat having optimum pore structure and optimum method of designing the washcoat
US4914075A (en) * 1988-12-05 1990-04-03 Uop Dehydrogenation catalyst composition
EP0383636A1 (en) * 1989-02-17 1990-08-22 Nippon Shokubai Co., Ltd. Carrier for catalyst and method for production thereof
DE3920198A1 (de) * 1989-06-21 1991-01-10 Wickmann Werke Gmbh Elektrische sicherung mit zwei schmelzleitern
US4952389A (en) * 1989-09-15 1990-08-28 Norton Company Alumina particles
US5637547A (en) * 1990-02-23 1997-06-10 Rhone-Poulenc Chimie Crush resistant adsorptive agglomerates of activated alumina
FR2658806B1 (fr) * 1990-02-23 1992-05-22 Rhone Poulenc Chimie Agglomeres d'alumine activee et leur procede d'obtention.
EP0507122B1 (en) * 1991-03-11 1995-01-11 Mitsubishi Oil Co., Ltd. Process for producing spherical zeolite catalyst and apparatus for producing the same
US5231066A (en) * 1991-09-11 1993-07-27 Quantum Chemical Corporation Bimodal silica gel, its preparation and use as a catalyst support
WO1993017790A1 (de) * 1992-03-13 1993-09-16 Solvay Umweltchemie Gmbh Abriebfester trägerkatalysator
US5384302A (en) * 1993-09-08 1995-01-24 Norton Chemical Process Products Corp. Catalyst carrier
CN1048229C (zh) * 1994-07-01 2000-01-12 化学工业部天津化工研究院(熊尚彬) 低密度大孔容球形氧化铝的制备工艺
WO1996008328A1 (fr) * 1994-09-12 1996-03-21 Aikoh Co., Ltd. Agent augmentant la temperature et procede d'augmentation de la temperature
FR2729949A1 (fr) 1995-01-27 1996-08-02 Rhone Poulenc Chimie Procede de preparation de lactame
FR2747053B1 (fr) * 1996-04-03 1998-10-02 Rhone Poulenc Chimie Utilisation pour l'oxydation directe des composes soufres en soufre et/ou sulfates a basse temperature d'un catalyseur a base de cuivre
FR2758554B1 (fr) * 1997-01-22 1999-04-16 Rhodia Chimie Sa Procede d'elimination d'inhibiteurs de polymerisation de melanges de monomeres a l'aide d'une alumine de forme optimisee
FR2764298B1 (fr) * 1997-06-10 1999-07-16 Inst Francais Du Petrole Hydrotraitement de charges hydrocarbonees dans un reacteur en lit bouillonnant
FR2764213B1 (fr) 1997-06-10 1999-07-16 Inst Francais Du Petrole Catalyseur d'hydrotraitement de charges hydrocarbonees dans un reacteur a lit fixe
FR2764208B1 (fr) * 1997-06-10 1999-07-16 Rhodia Chimie Sa Extrudes d'alumine, leurs procedes de preparation et leur utilisation comme catalyseurs ou supports de catalyseurs
KR100507445B1 (ko) * 1997-12-31 2005-12-08 주식회사 효성 거대기공을가진저분자량탄화수소의탈수소반응용촉매의제조방법
US6262132B1 (en) * 1999-05-21 2001-07-17 Energy International Corporation Reducing fischer-tropsch catalyst attrition losses in high agitation reaction systems
US6764672B2 (en) * 2001-04-03 2004-07-20 Alcoa Inc. Thermally stable alumina particulates
US20030082100A1 (en) * 2001-04-20 2003-05-01 Institut Francais Du Petrole Alumina spheres having a high impact resistance
FR2823684B1 (fr) * 2001-04-20 2003-05-30 Inst Francais Du Petrole Billes d'alumine ayant une grande resistance mecanique aux chocs, leur procede de fabrication et leurs utilisations
WO2002098796A1 (en) * 2001-05-30 2002-12-12 Showa Denko K.K. Spherical alumina particles and production process thereof
EP1306128A1 (en) * 2001-10-29 2003-05-02 Tenaxis Gmbh Sorptive composite materials
DE10309367A1 (de) * 2003-03-03 2004-09-23 Sasol Germany Gmbh Verfahren zur Dehydratisierung von Alkoholen zu a-Olefinen
CN100496738C (zh) * 2004-12-28 2009-06-10 中国石油化工股份有限公司 一种具有双重孔的氧化铝载体、催化剂及其制备方法
KR100647309B1 (ko) 2005-01-21 2006-11-23 삼성에스디아이 주식회사 열 및 물질전달 특성이 우수한 연료가스 개질반응 촉매용담체 및 그의 제조방법
US8354091B2 (en) * 2006-10-31 2013-01-15 Denki Kagaku Kogyo Kabushiki Kaisha Alumina powder and method for preparing the same as well as use thereof
CN101172256B (zh) * 2006-10-31 2011-02-09 中国石油化工股份有限公司石油化工科学研究院 一种耐高温磁性氧化铝载体的制备方法
CN102365337B (zh) * 2009-03-31 2014-05-14 塞特克技术公司 用于结构粘接应用的水基非铬酸盐底漆
AU2012224973B2 (en) * 2011-03-08 2016-01-07 Merck Patent Gmbh Metallisation barrier based on aluminium oxide
FR2984180A1 (fr) 2011-12-20 2013-06-21 IFP Energies Nouvelles Procede de fabrication de particules spheroidales d'alumine
CN104248986B (zh) * 2013-06-28 2016-06-29 中国石油化工股份有限公司 球形凹凸棒石介孔复合载体和负载型催化剂及其制备方法和应用以及乙酸乙酯的制备方法
CN104248991B (zh) * 2013-06-28 2016-06-29 中国石油化工股份有限公司 球形蒙脱石介孔复合载体和负载型催化剂及其制备方法和应用以及乙酸乙酯的制备方法
JP6236647B2 (ja) * 2014-02-26 2017-11-29 国立研究開発法人産業技術総合研究所 アルミナ粒子
CN105440168B (zh) * 2014-09-29 2018-03-02 中国石油化工股份有限公司 球形蒙脱石介孔复合载体和负载型聚乙烯催化剂及其制备方法和应用
CN108698975B (zh) * 2016-02-04 2021-10-08 罗地亚经营管理公司 用于制备脂肪胺的大孔催化剂
TR201812437T1 (tr) * 2016-09-20 2018-11-21 Highchem Tech Co Ltd Katali̇zör taşiyici ve bunu i̇çeren katali̇zör
US20210053034A1 (en) * 2019-08-23 2021-02-25 Uop Llc Dehydrogenation catalyst composition
US11591802B1 (en) * 2020-02-28 2023-02-28 Material Control, Inc. Modular access system
EP3915675A1 (en) * 2020-05-26 2021-12-01 SASOL Germany GmbH Stable shaped alumina carriers and method for producing same
JP7261888B2 (ja) * 2020-06-19 2023-04-20 エルジー・ケム・リミテッド 脱水反応触媒、その製造方法及びそれを用いたアルケンの製造方法
KR102584441B1 (ko) 2020-06-19 2023-10-05 주식회사 엘지화학 알루미나 촉매의 제조방법, 이로부터 제조된 알루미나 촉매 및 이를 이용한 프로필렌의 제조방법
CN113371746B (zh) * 2021-07-14 2023-02-21 中氢能源科技发展(内蒙古)有限公司 一种制备超细介孔氧化铝的方法及所得产物
EP4514749A1 (en) 2022-04-25 2025-03-05 BASF Corporation Process for the preparation of particulate alumina
CN115490253B (zh) * 2022-10-08 2023-06-20 山东理工大学 一种氢氧化铝微球的制备方法
CN119869439B (zh) * 2025-03-24 2025-06-24 杭州嘉隆气体设备有限公司 一种活性氧化铝球及其制备方法和应用

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2492167A (en) * 1943-06-01 1949-12-27 Socony Vacuum Oil Co Inc Process of forming alumina-containing gel beads
DE1032728B (de) * 1957-07-25 1958-06-26 Basf Ag Verfahren zur Herstellung kugel- oder linsenfoermiger aktiver Tonerde
US3740328A (en) * 1969-03-17 1973-06-19 Universal Oil Prod Co Hydrocarbon conversion process and catalyst therefor
FR2179967B1 (en, 2012) * 1972-04-13 1978-03-03 Norton Co
US3850849A (en) * 1972-05-24 1974-11-26 Norton Co Formed alumina bodies for catalytic uses
GB1465523A (en) * 1973-01-26 1977-02-23 Norton Co Low surface area alumina
FR2245408B1 (en, 2012) * 1973-09-04 1981-03-27 Norton Co
US3943070A (en) * 1974-10-15 1976-03-09 Universal Oil Products Company Manufacture of spheroidal alumina particles
US4001144A (en) * 1975-12-19 1977-01-04 Kaiser Aluminum & Chemical Corporation Process for modifying the pore volume distribution of alumina base catalyst supports

Also Published As

Publication number Publication date
DE3064074D1 (en) 1983-08-18
MX6359E (es) 1985-05-09
JPS55116623A (en) 1980-09-08
FR2449474A1 (fr) 1980-09-19
EP0015801B2 (fr) 1988-03-30
US4315839A (en) 1982-02-16
BR8001096A (pt) 1980-10-29
EP0015801B1 (fr) 1983-07-13
FR2449474B1 (en, 2012) 1984-02-24
ES488840A1 (es) 1980-09-16
JPS6049135B2 (ja) 1985-10-31
EP0015801A1 (fr) 1980-09-17

Similar Documents

Publication Publication Date Title
CA1132963A (fr) Billes d'alumine a double porosite, leur procede de preparation et leurs applications comme supports de catalyseurs
CA1153353A (fr) Procede de preparation d'agglomeres d'alumine
EP0097539B1 (fr) Procédé de fabrication de billes d'alumine mises en forme par coagulation en gouttes
EP0085592B1 (fr) Boehmites et pseudo-boehmites ultra-pures et leur procédé de fabrication
JP7114595B2 (ja) 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
CA2178834C (fr) Precurseur d'une composition et composition a base d'un oxyde mixte de cerium et de zirconium, procede de preparation et utilisation
EP0300853B1 (fr) Procédé d'obtention d'un oxyde cérique
CA2084853C (fr) Composition a base d'oxyde cerique, sa preparation et son utilisation
FR2690855A1 (fr) Adsorbants pour l'élimination de HCl et procédé pour leur production et leur utilisation.
MX2007003113A (es) Metodo para producir una bohemita de estructura cristalina fino y uso de la bohemita como ignifugo en materiales sinteticos.
EP1098848B2 (fr) Procédé de préparation d'un hydrate d'aluminium dispersible
FR2597092A1 (fr) Procede de preparation de poudres ceramiques d'oxyde metallique
FR2529802A1 (fr) Masses d'absorption pour l'elimination du mercure
JP2022541111A (ja) 炭素質材料の処理及び精製
JP2021151942A (ja) 多孔質シリカアルミナ粒子およびその製造方法
CH657137A5 (fr) Procede d'obtention de trihydroxyde d'aluminium de diametre median regle a la demande dans l'intervalle de 2 a 100 microns.
CN107155324A (zh) 具有优化的孔隙分布的非晶中孔氧化铝及其制备方法
BE1001314A4 (fr) Procede de production d'alumines hydratees, et procede de traitement de rejets acides.
WO1984001569A1 (fr) Procede d'obtention de trihydroxyde d'aluminium de diametre median inferieur a 4 microns, regle a la demande
JP7372140B2 (ja) 六方晶窒化ホウ素粉末及びその製造方法、並びに化粧料及びその製造方法
WO2022264335A1 (ja) 六方晶窒化ホウ素粉末及びその製造方法、並びに化粧料及びその製造方法
WO2016096985A1 (fr) Procede de preparation de billes d'alumine par mise en forme par egouttage d'un gel tres dispersible
RU2167818C1 (ru) Способ получения порошкообразного гидроксида алюминия
RU2407703C1 (ru) Способ получения двуокиси кремния
CN115215360B (zh) 一种提高拟薄水铝石负载催化剂负载量的方法

Legal Events

Date Code Title Description
MKEX Expiry