WO2001049610A1 - Production de carbonate de calcium fusiforme - Google Patents

Production de carbonate de calcium fusiforme Download PDF

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Publication number
WO2001049610A1
WO2001049610A1 PCT/JP2000/000020 JP0000020W WO0149610A1 WO 2001049610 A1 WO2001049610 A1 WO 2001049610A1 JP 0000020 W JP0000020 W JP 0000020W WO 0149610 A1 WO0149610 A1 WO 0149610A1
Authority
WO
WIPO (PCT)
Prior art keywords
carbonate
calcium
calcium carbonate
calcium hydroxide
hydroxide slurry
Prior art date
Application number
PCT/JP2000/000020
Other languages
English (en)
Japanese (ja)
Inventor
Kyaw Kyaw
Yoshihito Sasahara
Tetsushi Iwashita
Original Assignee
Yabashi Industries Co., Ltd.
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 Yabashi Industries Co., Ltd. filed Critical Yabashi Industries Co., Ltd.
Priority to AU18906/00A priority Critical patent/AU1890600A/en
Priority to PCT/JP2000/000020 priority patent/WO2001049610A1/fr
Publication of WO2001049610A1 publication Critical patent/WO2001049610A1/fr

Links

Classifications

    • 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
    • C01F11/181—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by control of the carbonation conditions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • 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

Definitions

  • an object of the present invention is to provide a calcium carbonate production method capable of easily and inexpensively obtaining spindle calcium carbonate in which the average primary particle diameter is controlled in a range of about 0.6 to 1.8 zm. Is to do. Structure of the invention

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)

Abstract

Cette invention concerne un procédé permettant d'obtenir des particules fusiformes de carbonate de calcium selon lequel lesdites particules sont régulées de manière à avoir une longueur sur leur grand axe comprise entre 0,6 et 1,8 νm. Ce procédé consiste à: ajouter, pendant au moins 30 minutes, un sel d'acide carbonique à une solution d'hydroxyde de calcium à une température comprise entre 10 et 40 °C de manière à obtenir une suspension aqueuse contenant des noyaux de cristal de carbonate de calcium; ajouter ultérieurement une suspension épaisse d'hydroxyde de calcium à la suspension; et introduire dans cette suspension un gaz renfermant du dioxyde de carbone pour achever la réaction de carbonation. Le sel d'acide carbonique est pris dans le groupe comprenant du carbonate de sodium, du carbonate de potassium, du carbonate d'ammonium, de l'hydrogéno-carbonate de sodium, de l'hydrogéno-carbonate d'ammonium, seuls et en mélanges._____________________________
PCT/JP2000/000020 2000-01-06 2000-01-06 Production de carbonate de calcium fusiforme WO2001049610A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU18906/00A AU1890600A (en) 2000-01-06 2000-01-06 Process for producing spindle-shaped calcium carbonate
PCT/JP2000/000020 WO2001049610A1 (fr) 2000-01-06 2000-01-06 Production de carbonate de calcium fusiforme

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/000020 WO2001049610A1 (fr) 2000-01-06 2000-01-06 Production de carbonate de calcium fusiforme

Publications (1)

Publication Number Publication Date
WO2001049610A1 true WO2001049610A1 (fr) 2001-07-12

Family

ID=11735548

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/000020 WO2001049610A1 (fr) 2000-01-06 2000-01-06 Production de carbonate de calcium fusiforme

Country Status (2)

Country Link
AU (1) AU1890600A (fr)
WO (1) WO2001049610A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180058027A (ko) * 2016-11-23 2018-05-31 (주)포스코켐텍 입자 크기를 제어할 수 있는 탄산 칼슘의 제조방법

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57123822A (en) * 1981-01-23 1982-08-02 Okutama Kogyo Kk Preparation of calcite-type calcium carbonate crystal
JPS5969425A (ja) * 1982-10-06 1984-04-19 Maruo Calcium Kk カルサイト系炭酸カルシウムの製造方法
US4727108A (en) * 1985-10-21 1988-02-23 Diafoil Company, Limited Polyester compositions and process of preparing polyester films from them
JPS63260815A (ja) * 1987-04-16 1988-10-27 Maruo Calcium Kk アラゴナイト結晶形炭酸カルシウムの製造法
JPH03183618A (ja) * 1989-12-12 1991-08-09 Okutama Kogyo Kk 紡錘状炭酸カルシウムの製造方法
JPH0656422A (ja) * 1992-08-04 1994-03-01 Okutama Kogyo Kk 紡錘状炭酸カルシウムの製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57123822A (en) * 1981-01-23 1982-08-02 Okutama Kogyo Kk Preparation of calcite-type calcium carbonate crystal
JPS5969425A (ja) * 1982-10-06 1984-04-19 Maruo Calcium Kk カルサイト系炭酸カルシウムの製造方法
US4727108A (en) * 1985-10-21 1988-02-23 Diafoil Company, Limited Polyester compositions and process of preparing polyester films from them
JPS63260815A (ja) * 1987-04-16 1988-10-27 Maruo Calcium Kk アラゴナイト結晶形炭酸カルシウムの製造法
JPH03183618A (ja) * 1989-12-12 1991-08-09 Okutama Kogyo Kk 紡錘状炭酸カルシウムの製造方法
JPH0656422A (ja) * 1992-08-04 1994-03-01 Okutama Kogyo Kk 紡錘状炭酸カルシウムの製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180058027A (ko) * 2016-11-23 2018-05-31 (주)포스코켐텍 입자 크기를 제어할 수 있는 탄산 칼슘의 제조방법

Also Published As

Publication number Publication date
AU1890600A (en) 2001-07-16

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