CA2292819A1 - Procede de production d'une boue de silice precipitee ayant une distribution de tailles d'agregat controlee - Google Patents

Procede de production d'une boue de silice precipitee ayant une distribution de tailles d'agregat controlee Download PDF

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Publication number
CA2292819A1
CA2292819A1 CA 2292819 CA2292819A CA2292819A1 CA 2292819 A1 CA2292819 A1 CA 2292819A1 CA 2292819 CA2292819 CA 2292819 CA 2292819 A CA2292819 A CA 2292819A CA 2292819 A1 CA2292819 A1 CA 2292819A1
Authority
CA
Canada
Prior art keywords
process defined
reaction mixture
silica
acid
silicate
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.)
Abandoned
Application number
CA 2292819
Other languages
English (en)
Inventor
Ahti Koski
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.)
Bayer Inc
Original Assignee
Bayer 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 Bayer Inc filed Critical Bayer Inc
Priority to CA 2292819 priority Critical patent/CA2292819A1/fr
Priority to AU18482/01A priority patent/AU1848201A/en
Priority to PCT/CA2000/001473 priority patent/WO2001046073A1/fr
Publication of CA2292819A1 publication Critical patent/CA2292819A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • 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
    • B01J19/0086—Processes carried out with a view to control or to change the pH-value; Applications of buffer salts; Neutralisation reactions
    • 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
    • B01J19/18—Stationary reactors having moving elements inside
    • 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
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00069—Flow rate measurement
    • 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
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • 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
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • B01J2219/00166—Controlling or regulating processes controlling the flow controlling the residence time inside the reactor vessel
    • 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
    • B01J2219/00177—Controlling or regulating processes controlling the pH
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/01—Particle morphology depicted by an image
    • C01P2004/03—Particle morphology depicted by an image obtained by SEM
    • 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
    • C01P2004/50—Agglomerated particles
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Silicon Compounds (AREA)
CA 2292819 1999-12-22 1999-12-22 Procede de production d'une boue de silice precipitee ayant une distribution de tailles d'agregat controlee Abandoned CA2292819A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA 2292819 CA2292819A1 (fr) 1999-12-22 1999-12-22 Procede de production d'une boue de silice precipitee ayant une distribution de tailles d'agregat controlee
AU18482/01A AU1848201A (en) 1999-12-22 2000-12-15 Process for the production of a precipitated silica slurry with a controlled aggregate particle size distribution
PCT/CA2000/001473 WO2001046073A1 (fr) 1999-12-22 2000-12-15 Processus de production d'une suspension epaisse de silice precipite avec repartition controlee du calibre des particules d'agregat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2292819 CA2292819A1 (fr) 1999-12-22 1999-12-22 Procede de production d'une boue de silice precipitee ayant une distribution de tailles d'agregat controlee

Publications (1)

Publication Number Publication Date
CA2292819A1 true CA2292819A1 (fr) 2001-06-22

Family

ID=4164914

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2292819 Abandoned CA2292819A1 (fr) 1999-12-22 1999-12-22 Procede de production d'une boue de silice precipitee ayant une distribution de tailles d'agregat controlee

Country Status (3)

Country Link
AU (1) AU1848201A (fr)
CA (1) CA2292819A1 (fr)
WO (1) WO2001046073A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2038054T3 (da) * 2006-06-23 2012-07-09 Yara Int Asa Fremgangsmåde til fremstilling af faste materialer i nanostørrelsesområdet ved kontinuerlig udfældning
US8609068B2 (en) 2010-02-24 2013-12-17 J.M. Huber Corporation Continuous silica production process and silica product prepared from same
US9028605B2 (en) 2011-02-25 2015-05-12 J.M. Huber Corporation Coating compositions comprising spheroid silica or silicate
US11873218B2 (en) 2018-03-02 2024-01-16 Pörner Ingenieurgesellschaft M.B.H. Sustainable silicates and methods for their extraction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB710015A (en) * 1950-12-02 1954-06-02 Degussa An improved process for the production of finely divided silica
GB1150135A (en) * 1967-07-17 1969-04-30 Oliver Wallis Burke Jr Silica pigments and process for producing same.
FR1450709A (fr) * 1965-07-09 1966-06-24 Pechiney Saint Gobain Procédé continu de fabrication de silice précipitée
DE1542086A1 (de) * 1965-10-20 1970-04-09 Degussa Verfahren zur kontinuierlichen Faellung von gelartigen Produkten,insbesondere Pigmenten,aus waessrigen Loesungen entsprechender Metallsalze
US4001379A (en) * 1968-04-27 1977-01-04 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler Process of making superfine amorphous high structural silicic acid
FR2567505B1 (fr) * 1984-07-11 1986-11-21 Rhone Poulenc Chim Base Silice a prise d'huile elevee et a structure primaire controlee et procede pour son obtention
JP2908253B2 (ja) * 1994-09-26 1999-06-21 日本化学工業株式会社 水和珪酸とその製造方法

Also Published As

Publication number Publication date
WO2001046073A1 (fr) 2001-06-28
AU1848201A (en) 2001-07-03

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