BRPI0513173A - método para produzir partìculas de cerámica sólida utilizando um processo de secagem por pulverização - Google Patents

método para produzir partìculas de cerámica sólida utilizando um processo de secagem por pulverização

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Publication number
BRPI0513173A
BRPI0513173A BRPI0513173-1A BRPI0513173A BRPI0513173A BR PI0513173 A BRPI0513173 A BR PI0513173A BR PI0513173 A BRPI0513173 A BR PI0513173A BR PI0513173 A BRPI0513173 A BR PI0513173A
Authority
BR
Brazil
Prior art keywords
spray drying
drying process
solid ceramic
ceramic particles
calcined
Prior art date
Application number
BRPI0513173-1A
Other languages
English (en)
Inventor
Steve Canova
Thomas C Palamara
Jimmy C Wood
Original Assignee
Carbo Ceramics Inc
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 Carbo Ceramics Inc filed Critical Carbo Ceramics Inc
Publication of BRPI0513173A publication Critical patent/BRPI0513173A/pt

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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/04—Clay; Kaolin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B01D1/18—Evaporating by spraying to obtain dry solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/004—Devices for shaping artificial aggregates from ceramic mixtures or from mixtures containing hydraulic binder
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    • C04B33/00—Clay-wares
    • C04B33/30—Drying methods
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    • C04B33/36—Reinforced clay-wares
    • C—CHEMISTRY; METALLURGY
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62625—Wet mixtures
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/6306—Binders based on phosphoric acids or phosphates
    • C04B35/6313—Alkali metal or alkaline earth metal phosphates
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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    • C04B35/634—Polymers
    • C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B35/63416—Polyvinylalcohols [PVA]; Polyvinylacetates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/10—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
    • F26B3/12—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it in the form of a spray, i.e. sprayed or dispersed emulsions or suspensions
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    • 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
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
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Abstract

MéTODO PARA PRODUZIR PARTìCULAS DE CERáMICA SóLIDAS UTILIZANDO UM PROCESSO DE SECAGEM POR PULVERIZAçãO, refere-se aos métodos para produzir partículas sólidas substancialmente circulares, esféricas e sinterizadas a partir de uma pasta fluida de um material bruto calcinado, não-calcinado ou parcialmente calcinado, que possui um teor de alumina maior do que cerca de 40 por cento em peso. A pasta fluida é processada com métodos de secagem por pulverização formando partículas sólidas substancialmente circulares, esféricas e sinterizadas que possuem um tamanho médio de partícula maior do que cerca de 200 mícrons, uma densidade de massa maior do que cerca de 1,40 g/cm¬ 3¬, e um peso específico aparente maior do que cerca de 2,60.
BRPI0513173-1A 2004-07-09 2005-07-08 método para produzir partìculas de cerámica sólida utilizando um processo de secagem por pulverização BRPI0513173A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58680904P 2004-07-09 2004-07-09
PCT/US2005/024339 WO2006010036A2 (en) 2004-07-09 2005-07-08 Method for producing solid ceramic particles

Publications (1)

Publication Number Publication Date
BRPI0513173A true BRPI0513173A (pt) 2008-04-29

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ID=35785758

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0513173-1A BRPI0513173A (pt) 2004-07-09 2005-07-08 método para produzir partìculas de cerámica sólida utilizando um processo de secagem por pulverização

Country Status (11)

Country Link
US (2) US7387752B2 (pt)
EP (1) EP1802429A4 (pt)
JP (1) JP2008505835A (pt)
CN (1) CN101043990A (pt)
AU (1) AU2005265298A1 (pt)
BR (1) BRPI0513173A (pt)
CA (1) CA2572759A1 (pt)
EA (1) EA010944B1 (pt)
MX (1) MX2007000072A (pt)
NO (1) NO20070582L (pt)
WO (1) WO2006010036A2 (pt)

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WO2006094074A2 (en) 2005-03-01 2006-09-08 Carbo Ceramics Inc. Methods for producing sintered particles from a slurry of an alumina-containing raw material
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