ATE381516T1 - Verfahren zur herstellung von gefällten kalziumcarbonatzusammensetzungen - Google Patents

Verfahren zur herstellung von gefällten kalziumcarbonatzusammensetzungen

Info

Publication number
ATE381516T1
ATE381516T1 AT01112612T AT01112612T ATE381516T1 AT E381516 T1 ATE381516 T1 AT E381516T1 AT 01112612 T AT01112612 T AT 01112612T AT 01112612 T AT01112612 T AT 01112612T AT E381516 T1 ATE381516 T1 AT E381516T1
Authority
AT
Austria
Prior art keywords
pcc
slurry
grinding
solids content
organic dispersant
Prior art date
Application number
AT01112612T
Other languages
English (en)
Inventor
Gary M Freeman
Randal A Moritz
William J Jones
Kurt H Moller
Original Assignee
Omya Development Ag
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=24313018&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE381516(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Omya Development Ag filed Critical Omya Development Ag
Application granted granted Critical
Publication of ATE381516T1 publication Critical patent/ATE381516T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70—Pre-treatment of the materials to be mixed
    • 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
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/51—Methods thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/70—Pre-treatment of the materials to be mixed
    • B01F23/71—Grinding materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/81—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow
    • B01F27/812—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers having central axial inflow and substantially radial outflow the stirrers co-operating with surrounding stators, or with intermeshing stators, e.g. comprising slits, orifices or screens
    • 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
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/18—Carbonates
    • C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/385—Oxides, hydroxides or carbonates
    • 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
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • 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
AT01112612T 2000-05-26 2001-05-23 Verfahren zur herstellung von gefällten kalziumcarbonatzusammensetzungen ATE381516T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/578,470 US6402824B1 (en) 2000-05-26 2000-05-26 Processes for preparing precipitated calcium carbonate compositions and the products thereof

Publications (1)

Publication Number Publication Date
ATE381516T1 true ATE381516T1 (de) 2008-01-15

Family

ID=24313018

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01112612T ATE381516T1 (de) 2000-05-26 2001-05-23 Verfahren zur herstellung von gefällten kalziumcarbonatzusammensetzungen

Country Status (7)

Country Link
US (1) US6402824B1 (de)
EP (2) EP1160201B1 (de)
AT (1) ATE381516T1 (de)
CA (1) CA2347547C (de)
DE (1) DE60131924T2 (de)
ES (1) ES2298176T3 (de)
PT (1) PT1160201E (de)

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Also Published As

Publication number Publication date
DE60131924D1 (de) 2008-01-31
EP1160201B1 (de) 2007-12-19
US6402824B1 (en) 2002-06-11
PT1160201E (pt) 2008-01-22
CA2347547C (en) 2006-07-25
EP1160201A2 (de) 2001-12-05
DE60131924T2 (de) 2008-12-04
EP1752420A2 (de) 2007-02-14
CA2347547A1 (en) 2001-11-26
EP1752420A3 (de) 2007-04-25
EP1160201A3 (de) 2003-05-07
ES2298176T3 (es) 2008-05-16

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