DE3474948D1 - Process and apparatus for preparing metal oxide particles - Google Patents

Process and apparatus for preparing metal oxide particles

Info

Publication number
DE3474948D1
DE3474948D1 DE8484301275T DE3474948T DE3474948D1 DE 3474948 D1 DE3474948 D1 DE 3474948D1 DE 8484301275 T DE8484301275 T DE 8484301275T DE 3474948 T DE3474948 T DE 3474948T DE 3474948 D1 DE3474948 D1 DE 3474948D1
Authority
DE
Germany
Prior art keywords
metal oxide
oxide particles
preparing metal
preparing
particles
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
DE8484301275T
Other languages
English (en)
Inventor
Paolo Cortesi
Gianni Donati
Giuseppe Saggese
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.)
Montedison SpA
Original Assignee
Montedison 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 Montedison SpA filed Critical Montedison SpA
Application granted granted Critical
Publication of DE3474948D1 publication Critical patent/DE3474948D1/de
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G23/00—Compounds of titanium
    • C01G23/04—Oxides; Hydroxides
    • C01G23/047—Titanium dioxide
    • C01G23/07—Producing by vapour phase processes, e.g. halide oxidation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details 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
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/26—Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/14—Methods for preparing oxides or hydroxides in general
    • C01B13/20—Methods for preparing oxides or hydroxides in general by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state
    • 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
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
    • C01F7/302—Hydrolysis or oxidation of gaseous aluminium compounds in the gaseous phase
    • C01F7/304—Hydrolysis or oxidation of gaseous aluminium compounds in the gaseous phase of organic aluminium compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides
    • 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
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00327—Controlling the temperature by direct heat exchange
    • B01J2208/00336—Controlling the temperature by direct heat exchange adding a temperature modifying medium to the reactants
    • B01J2208/00353—Non-cryogenic fluids
    • B01J2208/00371—Non-cryogenic fluids gaseous
    • 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
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00121—Controlling the temperature by direct heating or cooling
    • B01J2219/00123—Controlling the temperature by direct heating or cooling adding a temperature modifying medium to the reactants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
    • 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
    • C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00—Gas and liquid contact apparatus
    • Y10S261/75—Flowing liquid aspirates gas
DE8484301275T 1983-02-25 1984-02-27 Process and apparatus for preparing metal oxide particles Expired DE3474948D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19819/83A IT1161200B (it) 1983-02-25 1983-02-25 Processo e apparecchio per la preparazione di particelle di ossidi metallici monodisperse, sferiche, non aggregate e di dimensione inferiore al micron

Publications (1)

Publication Number Publication Date
DE3474948D1 true DE3474948D1 (en) 1988-12-08

Family

ID=11161536

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484301275T Expired DE3474948D1 (en) 1983-02-25 1984-02-27 Process and apparatus for preparing metal oxide particles

Country Status (5)

Country Link
US (2) US4574078A (de)
EP (1) EP0117755B1 (de)
JP (1) JPS59169927A (de)
DE (1) DE3474948D1 (de)
IT (1) IT1161200B (de)

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DE3438446A1 (de) * 1984-10-19 1986-04-24 Mitsubishi Mining & Cement Co. Ltd., Tokio/Tokyo Verfahren zur herstellung keramischer pulver und eine vorrichtung hierfuer
FR2572066B1 (fr) * 1984-10-24 1990-03-23 Mitsubishi Mining & Cement Co Procede et appareil pour preparer une poudre ceramique
JPS61270201A (ja) * 1985-01-23 1986-11-29 Catalysts & Chem Ind Co Ltd 真球状無機酸化物粉末の製造法
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DE3503668A1 (de) * 1985-02-04 1986-08-07 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Verfahren zur herstellung keramischer formkoerper
IT1183382B (it) * 1985-02-20 1987-10-22 Montedison Spa Partecelle sferiche a distribuzione granulometrica ristretta di biossi do di titanio ricoperto da uno strato uniforme di ossidi di ferro e processo per la loro preparazione
IT1184163B (it) * 1985-03-19 1987-10-22 Montedison Spa Processo per la preparazione di allumina idrata sotto forma di particelle sferiche mediante precipitazione omogenea
US4724134A (en) * 1985-06-10 1988-02-09 Aluminum Company Of America Production of tailor-made particle size distributions of substantially spherical metal hydroxide/oxide particles comprising single or multiple hydroxides by hydrolysis of one or more metal alkoxide aerosols
US4678657A (en) * 1985-06-10 1987-07-07 Aluminum Company Of America Production of high purity substantially spherical metal hydroxide/oxide particles from the hydrolysis of a metal alkoxide aerosol using metal hydroxide/oxide seed nuclei
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FR2603880B1 (fr) * 1986-09-15 1990-09-07 Solvay Procede pour la fabrication d'une poudre pour materiaux ceramiques, contenant au moins un oxyde metallique, et poudre formee d'au moins un oxyde metallique obtenue par ce procede
IT1197814B (it) * 1986-09-16 1988-12-06 Montedison Spa Processo per la preparazione di biossido di titanio sotto forma di particelle sferiche per idrolisi di ti (iv)
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US5508015A (en) * 1994-07-15 1996-04-16 E. I. Du Pont De Nemours And Company Process for controlling agglomeration in the manufacture of TiO2
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DE19639835A1 (de) * 1996-09-27 1998-04-09 Rwe Ges Fuer Forschung Und Ent Verfahren zur Herstellung feinstkristalliner Metalloxidschichten und -pulver
US6338809B1 (en) * 1997-02-24 2002-01-15 Superior Micropowders Llc Aerosol method and apparatus, particulate products, and electronic devices made therefrom
US6387531B1 (en) 1998-07-27 2002-05-14 Nanogram Corporation Metal (silicon) oxide/carbon composite particles
US6099798A (en) * 1997-10-31 2000-08-08 Nanogram Corp. Ultraviolet light block and photocatalytic materials
US6290735B1 (en) 1997-10-31 2001-09-18 Nanogram Corporation Abrasive particles for surface polishing
US6749648B1 (en) * 2000-06-19 2004-06-15 Nanagram Corporation Lithium metal oxides
US20090255189A1 (en) * 1998-08-19 2009-10-15 Nanogram Corporation Aluminum oxide particles
US20060147369A1 (en) * 1997-07-21 2006-07-06 Neophotonics Corporation Nanoparticle production and corresponding structures
US6607706B1 (en) * 1998-11-09 2003-08-19 Nanogram Corporation Composite metal oxide particles
US7384680B2 (en) * 1997-07-21 2008-06-10 Nanogram Corporation Nanoparticle-based power coatings and corresponding structures
US20090075083A1 (en) * 1997-07-21 2009-03-19 Nanogram Corporation Nanoparticle production and corresponding structures
US6482374B1 (en) * 1999-06-16 2002-11-19 Nanogram Corporation Methods for producing lithium metal oxide particles
US6506493B1 (en) 1998-11-09 2003-01-14 Nanogram Corporation Metal oxide particles
JP4800768B2 (ja) * 2003-12-31 2011-10-26 カウンシル オブ サイエンティフィク アンド インダストリアル リサーチ 超微細なルチル相形の二酸化チタン粒子の低温合成
US7413726B2 (en) * 2004-03-26 2008-08-19 Council Of Scientific And Industrial Research Synthesis of ultrafine rutile phase titanium dioxide particles
US20060194910A1 (en) * 2004-05-19 2006-08-31 Nobuo Miyatake Stabilization of polymers with zinc oxide nanoparticles
US20070004840A1 (en) * 2004-05-19 2007-01-04 Texas A&M University Zinc oxide polymer nanocomposites and methods of producing zinc oxide polymer nanocomposites
US7482382B2 (en) * 2004-05-19 2009-01-27 The Texas A&M University System Process for preparing nano-sized metal oxide particles
US7780931B2 (en) * 2004-11-11 2010-08-24 Basell Poliolefine Italia S.R.L. Preparation for Tio2 powders from a waste liquid containing titanium compounds
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WO2006077890A1 (ja) * 2005-01-19 2006-07-27 Kyoto University 単分散した球状の金属酸化物微粒子の製造方法および金属酸化物微粒子
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CA2646543A1 (en) * 2006-03-21 2007-09-27 The Procter & Gamble Company Nano-fluids as cleaning compositions for cleaning soiled surfaces, a method for formulation and use
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US8344054B2 (en) * 2007-07-24 2013-01-01 The Texas A & M University System Polymer nanocomposites including dispersed nanoparticles and inorganic nanoplatelets
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Also Published As

Publication number Publication date
JPH0360775B2 (de) 1991-09-17
IT1161200B (it) 1987-03-18
JPS59169927A (ja) 1984-09-26
US4574078A (en) 1986-03-04
IT8319819A1 (it) 1984-08-25
IT8319819A0 (it) 1983-02-25
EP0117755A2 (de) 1984-09-05
US4687643A (en) 1987-08-18
EP0117755A3 (en) 1986-01-29
EP0117755B1 (de) 1988-11-02

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8339 Ceased/non-payment of the annual fee