IT1275412B - Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica - Google Patents

Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica

Info

Publication number
IT1275412B
IT1275412B ITMI951139A ITMI951139A IT1275412B IT 1275412 B IT1275412 B IT 1275412B IT MI951139 A ITMI951139 A IT MI951139A IT MI951139 A ITMI951139 A IT MI951139A IT 1275412 B IT1275412 B IT 1275412B
Authority
IT
Italy
Prior art keywords
preparation
mixed
oxides
procedure
porous silica
Prior art date
Application number
ITMI951139A
Other languages
English (en)
Inventor
Luigi Balducci
Raffaele Ungarelli
Paolo Chiurlo
Original Assignee
Enichem Spa
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 Enichem Spa filed Critical Enichem Spa
Priority to ITMI951139A priority Critical patent/IT1275412B/it
Publication of ITMI951139A0 publication Critical patent/ITMI951139A0/it
Priority to DE69607516T priority patent/DE69607516T2/de
Priority to DK96106827T priority patent/DK0745557T3/da
Priority to EP96106827A priority patent/EP0745557B1/en
Priority to AT96106827T priority patent/ATE191433T1/de
Priority to ES96106827T priority patent/ES2143678T3/es
Priority to US08/642,897 priority patent/US5731261A/en
Publication of ITMI951139A1 publication Critical patent/ITMI951139A1/it
Application granted granted Critical
Publication of IT1275412B publication Critical patent/IT1275412B/it

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14Methods for preparing oxides or hydroxides in general
    • C01B13/32Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process
    • C01B13/328Methods for preparing oxides or hydroxides in general by oxidation or hydrolysis of elements or compounds in the liquid or solid state or in non-aqueous solution, e.g. sol-gel process by processes making use of emulsions, e.g. the kerosine process
    • 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
    • C01PINDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00Particle morphology
    • C01P2004/01Particle morphology depicted by an image
    • C01P2004/03Particle morphology depicted by an image obtained by SEM
    • 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
    • C01P2004/00Particle morphology
    • C01P2004/80Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • 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
    • C01P2006/14Pore 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Silicon Compounds (AREA)
  • Catalysts (AREA)
  • Colloid Chemistry (AREA)
ITMI951139A 1995-06-01 1995-06-01 Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica IT1275412B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ITMI951139A IT1275412B (it) 1995-06-01 1995-06-01 Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica
DE69607516T DE69607516T2 (de) 1995-06-01 1996-04-30 Verfahren zur Herstellung von gemischten porösen und kugelförmigen Silizium-Aluminiumoxyden
DK96106827T DK0745557T3 (da) 1995-06-01 1996-04-30 Fremgangsmåde til fremstilling af blandede porøse og kugleformede siliciumoxid-aluminiumoxider
EP96106827A EP0745557B1 (en) 1995-06-01 1996-04-30 Process for the preparation of mixed porous silica-alumina oxides in a spherical form
AT96106827T ATE191433T1 (de) 1995-06-01 1996-04-30 Verfahren zur herstellung von gemischten porösen und kugelförmigen silizium-aluminiumoxyden
ES96106827T ES2143678T3 (es) 1995-06-01 1996-04-30 Procedimiento para la preparacion de oxidos mixtos porosos de silice-alumina de forma esferica.
US08/642,897 US5731261A (en) 1995-06-01 1996-05-06 Process for the preparation of mixed porous silica-alumina oxides in a spherical form

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI951139A IT1275412B (it) 1995-06-01 1995-06-01 Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica

Publications (3)

Publication Number Publication Date
ITMI951139A0 ITMI951139A0 (it) 1995-06-01
ITMI951139A1 ITMI951139A1 (it) 1996-12-01
IT1275412B true IT1275412B (it) 1997-08-05

Family

ID=11371720

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI951139A IT1275412B (it) 1995-06-01 1995-06-01 Procedimento per la preparazione di ossidi misti silice-allumina porosi in forma sferica

Country Status (7)

Country Link
US (1) US5731261A (it)
EP (1) EP0745557B1 (it)
AT (1) ATE191433T1 (it)
DE (1) DE69607516T2 (it)
DK (1) DK0745557T3 (it)
ES (1) ES2143678T3 (it)
IT (1) IT1275412B (it)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2287459B (en) * 1992-06-02 1996-02-14 British Gas Plc Porous amorphous silica-alumina refractory oxides,their preparation and use as separation membranes
US5871646A (en) * 1992-06-02 1999-02-16 British Gas Plc Porous amorphous silica-alumina refractory oxides, their preparation and use as separation membranes
US6048470A (en) * 1996-12-20 2000-04-11 Asahi Glass Company Ltd. Alumina sol, alumina hydrate powder and processes for their production
US6413489B1 (en) * 1997-04-15 2002-07-02 Massachusetts Institute Of Technology Synthesis of nanometer-sized particles by reverse micelle mediated techniques
DE69941619D1 (de) * 1998-06-12 2009-12-17 Mitsubishi Paper Mills Ltd Siliciumdioxid-aluminiumoxid-verbund-sol, verfahren zu dessen herstellung, und aufnahme-medium
IT1303713B1 (it) * 1998-11-06 2001-02-23 Enichem Spa Processo per la preparazione di catalizzatori a base di zeolite tipomfi.
AUPQ573300A0 (en) * 2000-02-21 2000-03-16 Australian Nuclear Science & Technology Organisation Controlled release ceramic particles, compositions thereof, processes of preparation and methods of use
US6391072B1 (en) * 2000-05-04 2002-05-21 Saint-Gobain Industrial Ceramics, Inc. Abrasive grain
FR2819430B1 (fr) * 2001-01-15 2003-02-28 Inst Francais Du Petrole Catalyseur comportant une silice-alumine et son utilisation en hydrocraquage de charges hydrocarbonees
US6995112B2 (en) * 2002-11-08 2006-02-07 Chevron U.S.A. Inc. Highly homogeneous amorphous silica-alumina catalyst composition
TWI227719B (en) * 2002-11-22 2005-02-11 Far Eastern Textile Ltd Method of preparing a surface modifier for nanoparticles dispersion of inorganic oxide nanoparticles
CN100351275C (zh) * 2003-03-21 2007-11-28 陶氏环球技术公司 形态控制的烯烃聚合方法
US6953764B2 (en) 2003-05-02 2005-10-11 Dow Global Technologies Inc. High activity olefin polymerization catalyst and process
US7348293B2 (en) * 2003-12-05 2008-03-25 Chevron U.S.A. Inc. Homogeneous modified-alumina Fischer-Tropsch catalyst supports
EP1803747A1 (en) 2005-12-30 2007-07-04 Borealis Technology Oy Surface-modified polymerization catalysts for the preparation of low-gel polyolefin films
KR20090009948A (ko) 2006-05-05 2009-01-23 다우 글로벌 테크놀로지스 인크. 카르바졸릴 치환 이미다졸 리간드의 하프늄 착물
US7750056B1 (en) 2006-10-03 2010-07-06 Sami Daoud Low-density, high r-value translucent nanocrystallites
TW200932762A (en) 2007-10-22 2009-08-01 Univation Tech Llc Polyethylene compositions having improved properties
TW200936619A (en) 2007-11-15 2009-09-01 Univation Tech Llc Polymerization catalysts, methods of making, methods of using, and polyolefin products made therefrom
WO2009068117A1 (en) * 2007-11-30 2009-06-04 Nanologica Ab Method for manufacturing a nanoporous alumina based materials with controlled textural and particle size and nanoporous alumina obtained by said method
WO2010080871A1 (en) 2009-01-08 2010-07-15 Univation Technologies, Llc Additive for gas phase polymerization processes
RU2527945C2 (ru) 2009-01-08 2014-09-10 Юнивейшн Текнолоджиз, Ллк Добавка для процессов полимеризации полиолефинов
RU2011152483A (ru) 2009-07-23 2013-06-27 Юнивейшн Текнолоджиз, Ллк Реакционная система для полимеризации
CN102803308B (zh) 2010-02-18 2015-04-01 尤尼威蒂恩技术有限公司 用于操作聚合反应器的方法
ES2693720T3 (es) 2010-02-22 2018-12-13 Univation Technologies, Llc Sistemas catalíticos y métodos para usar los mismos para producir productos poliolefínicos
US8722804B2 (en) 2010-04-13 2014-05-13 Univation Technologies, Llc Polymer blends and films made therefrom
WO2012009215A1 (en) 2010-07-16 2012-01-19 Univation Technologies, Llc Systems and methods for measuring static charge on particulates
RU2564301C2 (ru) 2010-07-16 2015-09-27 Юнивейшн Текнолоджиз, Ллк Системы и способы измерения накопления частиц на поверхностях реактора
WO2012015898A1 (en) 2010-07-28 2012-02-02 Univation Technologies, Llc Systems and methods for measuring velocity of a particle/fluid mixture
BR112013014992B1 (pt) 2010-12-17 2020-12-29 Univation Technologies, Llc sistemas e métodos para recuperar hidrocarbonetos de um produto gasoso da purga de poliolefina
EP2655432B1 (en) 2010-12-22 2017-08-02 Univation Technologies, LLC Additive for polyolefin polymerization processes
WO2013028283A1 (en) 2011-08-19 2013-02-28 Univation Technologies, Llc Catalyst systems and methods for using same to produce polyolefin products
US9181371B2 (en) 2011-11-08 2015-11-10 Univation Technologies, Llc Methods for producing polyolefins with catalyst systems
CN104159933B (zh) 2012-03-05 2017-09-12 尤尼威蒂恩技术有限责任公司 催化剂组合物的制造方法和由其生产的聚合物产品
JP6124662B2 (ja) * 2012-10-03 2017-05-10 株式会社トクヤマ 球状金属酸化物粉末及びその製造方法
CA2800056A1 (en) 2012-12-24 2014-06-24 Nova Chemicals Corporation Polyethylene blend compositions
EP2938434B1 (en) 2012-12-28 2022-05-04 Univation Technologies, LLC Supported catalyst with improved flowability
JP6359034B2 (ja) 2013-02-07 2018-07-18 ユニベーション・テクノロジーズ・エルエルシー ポリオレフィンの調製
CN105143280B (zh) 2013-03-15 2017-06-13 尤尼威蒂恩技术有限责任公司 催化剂的配体
ES2667196T3 (es) 2013-03-15 2018-05-10 Univation Technologies, Llc Ligandos tridentados basados en nitrógeno para catalizadores de la polimerización de olefinas
CN107266402A (zh) 2013-06-05 2017-10-20 尤尼威蒂恩技术有限责任公司 保护酚基
WO2016028277A1 (en) 2014-08-19 2016-02-25 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
US10208139B2 (en) 2014-08-19 2019-02-19 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
US10189917B2 (en) 2014-08-19 2019-01-29 Univation Technologies, Llc Fluorinated catalyst supports and catalyst systems
WO2016118599A1 (en) 2015-01-21 2016-07-28 Univation Technologies, Llc Methods for controlling polymer chain scission
US10682797B2 (en) 2015-01-21 2020-06-16 Univation Technologies, Llc Methods for gel reduction in polyolefins
BR112017023386B1 (pt) 2015-05-08 2022-04-05 Exxonmobil Chemical Patents Inc Processo de polimerização em fase gasosa em modo condensado
RU2610593C2 (ru) * 2015-08-07 2017-02-14 Эдуард Жорисович Мавлиханов Способ получения гранулированного диоксида кремния
RU2605707C1 (ru) * 2015-11-20 2016-12-27 Игорь Иванович Лукьянчиков Способ получения силикагеля
WO2018063767A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
CA3038149C (en) 2016-09-27 2023-08-22 Univation Technologies, Llc Method for long chain branching control in polyethylene production
WO2018063764A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018063765A1 (en) 2016-09-27 2018-04-05 Exxonmobil Chemical Patents Inc. Polymerization process
WO2018118155A1 (en) 2016-12-20 2018-06-28 Exxonmobil Chemical Patents Inc. Polymerization process
RU2635710C1 (ru) * 2017-09-13 2017-11-15 Общество с ограниченной ответственностью "Салаватский катализаторный завод" Способ получения силикагеля
WO2019118073A1 (en) 2017-12-13 2019-06-20 Exxonmobil Chemical Patents Inc. Deactivation methods for active components from gas phase polyolefin polymerization process
WO2019173030A1 (en) 2018-03-08 2019-09-12 Exxonmobil Chemical Patents Inc. Methods of preparing and monitoring a seed bed for polymerization reactor startup
US11447587B2 (en) 2018-05-02 2022-09-20 Exxonmobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
EP3788082A1 (en) 2018-05-02 2021-03-10 ExxonMobil Chemical Patents Inc. Methods for scale-up from a pilot plant to a larger production facility
CN110935433B (zh) * 2018-09-25 2023-01-10 中国石油化工股份有限公司 一种硅改性大孔氧化铝及其制备方法
CN110935431B (zh) * 2018-09-25 2023-01-10 中国石油化工股份有限公司 一种钛掺杂γ-氧化铝及其制备方法
RU2700999C1 (ru) * 2019-03-18 2019-09-24 Общество с ограниченной ответственностью "Салаватский катализаторный завод" Способ получения влагостойкого силикагеля
RU2705065C1 (ru) * 2019-03-22 2019-11-01 Общество с ограниченной ответственностью "Салаватский катализаторный завод" Способ адсорбционной осушки и очистки природного газа
CN111196718B (zh) * 2020-01-15 2022-05-13 安徽工业大学 一种采用微乳液模板法制备莫来石多孔陶瓷的方法
WO2023182247A1 (ja) * 2022-03-25 2023-09-28 株式会社ルネッサンス・エナジー・リサーチ SiO2Al2O3含有ゾル溶液の合成方法、及び、多孔質アルミナ膜の形成方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4831839A (it) * 1971-08-30 1973-04-26
US3890247A (en) * 1971-12-17 1975-06-17 Union Oil Co Hydrocracking catalyst
US4042769A (en) * 1975-03-12 1977-08-16 Gulf Research & Development Company Catalysts for the polymerization of ethylene
US4053435A (en) * 1975-03-12 1977-10-11 Gulf Research & Development Company Catalysts for the polymerization of ethylene
CS179184B1 (en) * 1975-07-25 1977-10-31 Stanislav Vozka Method for preparation of precisely spherical particles of silica gel with controlled size and controled size pores.
US4169926A (en) * 1978-01-16 1979-10-02 Phillips Petroleum Company Inorganic hydrogels and uses thereof
IT1096661B (it) * 1978-06-13 1985-08-26 Montedison Spa Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente
US4226743A (en) * 1979-03-12 1980-10-07 W. R. Grace & Co. Silica-alumina hydrogel catalyst
DE3030055A1 (de) * 1980-08-08 1982-03-25 Basf Ag, 6700 Ludwigshafen Verfahren zum herstellen von ethylen-homopolymerisaten sowie ethylen-copolymerisaten mit (alpha) -monoolefinen
JPS6052083B2 (ja) * 1981-04-23 1985-11-18 日本碍子株式会社 高純度セラミツク粉末の製造法
US4717708A (en) * 1983-12-27 1988-01-05 Stauffer Chemical Company Inorganic oxide aerogels and their preparation
US4574003A (en) * 1984-05-03 1986-03-04 Minnesota Mining And Manufacturing Co. Process for improved densification of sol-gel produced alumina-based ceramics
DE3873512T2 (de) * 1988-02-19 1992-12-03 Tohru Yamamoto Katalysator fuer das ein metallalkoxid verwendendes sol-gel-verfahren und das oxid verwendende sol-gel-verfahren.
US5135641A (en) * 1988-11-23 1992-08-04 Chevron Research Company Catalytic cracking process employing silica/alumina cogel catalysts
KR950001660B1 (ko) * 1989-04-07 1995-02-28 니혼 쇼꾸바이 가가꾸 고오교 가부시기가이샤 무기산화물 입자의 제조법
IT1240673B (it) * 1990-04-24 1993-12-17 Tenav Microsfere di aerogels di ossidi inorganici a stretta distribuzione dei diametri dei pori e metodo per la loro preparazione
US5076980A (en) * 1990-08-01 1991-12-31 Geltech, Inc. Method of making sol-gel monoliths
US5262142A (en) * 1991-08-06 1993-11-16 Tokuyama Soda Kabushiki Kaisha Composite oxide of formula R2 O.Al2 O3.TiO2.SiO2.H2 O, where R is an alkali metal
IT1251937B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Xerogels di silice ad alta porosita` e processo per la loro preparazione.
IT1251939B (it) * 1991-10-17 1995-05-27 Donegani Guido Ist Procedimento per la preparazione di materiali a base di ossidi inorganici con granulometria monodispersa e materiali cosi ottenuti.
BE1005718A3 (fr) * 1992-03-10 1993-12-28 Solvay Procede pour la fabrication d'une poudre microspheroidale a faible dispersite, poudre microspheroidale a faible dispersite ainsi obtenue, catalyseurs pour la polymerisation d'alpha-olefines et procede de polymerisation d'alpha-olefines.
GB9210265D0 (en) * 1992-05-13 1992-07-01 Unilever Plc Catalysts and catalyst supports
DE4228711A1 (de) * 1992-08-28 1994-03-03 Degussa Silicium-Aluminium-Mischoxid

Also Published As

Publication number Publication date
US5731261A (en) 1998-03-24
ITMI951139A0 (it) 1995-06-01
ES2143678T3 (es) 2000-05-16
EP0745557A1 (en) 1996-12-04
ATE191433T1 (de) 2000-04-15
DE69607516T2 (de) 2000-08-31
DK0745557T3 (da) 2000-08-14
ITMI951139A1 (it) 1996-12-01
DE69607516D1 (de) 2000-05-11
EP0745557B1 (en) 2000-04-05

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