KR890015960A - Process for preparing aragonite crystalline calcium carbonate - Google Patents

Process for preparing aragonite crystalline calcium carbonate Download PDF

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Publication number
KR890015960A
KR890015960A KR1019890003606A KR890003606A KR890015960A KR 890015960 A KR890015960 A KR 890015960A KR 1019890003606 A KR1019890003606 A KR 1019890003606A KR 890003606 A KR890003606 A KR 890003606A KR 890015960 A KR890015960 A KR 890015960A
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KR
South Korea
Prior art keywords
calcium carbonate
less
crystalline calcium
amount
producing
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Application number
KR1019890003606A
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Korean (ko)
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KR970001526B1 (en
Inventor
요오지 시바다
도시오 후지와라
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마루오 기헤에
마루오 칼슘 가부시끼가이샤
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Publication of KR890015960A publication Critical patent/KR890015960A/en
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Publication of KR970001526B1 publication Critical patent/KR970001526B1/en

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    • 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
    • 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
    • C01P2004/38—Particle morphology extending in three dimensions cube-like

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  • 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)
  • Paper (AREA)

Abstract

내용 없음No content

Description

아라고나이트 결정형 탄산칼슘의 제조방법Process for preparing aragonite crystalline calcium carbonate

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (3)

석회석을 소성하여 생성시킨 CaO룰 수온이 70℃이하의 경우는, CaO에 대한 몰비로 15배 이하의 H2O로 소화하여, 수온이 70℃를 초과하는 경우는 임의의 양의 H2O로 소화하여 생성시킨 Ca(OH)2의 물슬러리를 농도5∼40wt%, 온도를5∼65℃로 조정하여, 교환하면서 CO2가스 (100% CO2로소)를 4l/min/㎏ㆍCa(OH)2이하의 양으로 탄산화시킴으로써, 아라고나이트 결정형 탄산칼슘의 제조방법.When CaO ruled water temperature produced by calcining limestone is 70 ° C. or lower, it is digested with H 2 O of 15 times or less in molar ratio to CaO, and when the water temperature exceeds 70 ° C., the amount is H 2 O. digestion generates in which Ca (OH) 2 concentration of the aqueous slurry 5~40wt%, the temperature was adjusted to 5~65 ℃, 4l / min / ㎏ the CO 2 gas (CO 2 Rosso 100%), while exchange and Ca ( OH) A method for producing aragonite crystalline calcium carbonate by carbonation in an amount of 2 or less. 제 1 항에 있어서, 생성시킨 Ca(OH)2의 뮐러지수로 표시되는 결정면(0, 0, 1)에 대한 X선 회절강도화(I/Io)는 75이하인 것을 특징으로 하는 한 아라고나이트 결정형 탄산칼슘의 제조방법.The aragonite crystal form according to claim 1, wherein the X-ray diffraction intensity (I / Io) for the crystal plane (0, 0, 1) expressed by the generated Ca (OH) 2 mulch index is 75 or less. Method for producing calcium carbonate. 제 1 항 또는 제 2 항에 있어서, CO2가스 (100% CO2로서)는 2l/min/㎏ㆍCa(OH)2이하의 양인것을 특징으로 하는 아라고나이트 결정형 탄산칼슘의 제조방법.The method for producing aragonite crystalline calcium carbonate according to claim 1 or 2, wherein the CO 2 gas (as 100% CO 2 ) is in an amount of 2 l / min / kg Ca (OH) 2 or less. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890003606A 1988-04-12 1989-03-22 Process for the preparation of aragonite type calcium carbonate KR970001526B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63-89705 1988-04-12
JP63089705A JP2652032B2 (en) 1988-04-12 1988-04-12 Method for producing aragonite crystalline calcium carbonate

Publications (2)

Publication Number Publication Date
KR890015960A true KR890015960A (en) 1989-11-27
KR970001526B1 KR970001526B1 (en) 1997-02-11

Family

ID=13978195

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890003606A KR970001526B1 (en) 1988-04-12 1989-03-22 Process for the preparation of aragonite type calcium carbonate

Country Status (2)

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JP (1) JP2652032B2 (en)
KR (1) KR970001526B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2706384B2 (en) * 1991-03-22 1998-01-28 奥多摩工業 株式会社 Particle size adjustment method of aragonite columnar calcium carbonate
JP3626620B2 (en) * 1999-03-19 2005-03-09 矢橋工業株式会社 Method for producing calcium carbonate
KR100720859B1 (en) * 2005-12-30 2007-05-23 한국지질자원연구원 Control of particle size of aragonite precipitated calcium carbonate
JP2008273761A (en) * 2007-04-26 2008-11-13 New Raimu Kenkyusha:Kk Method for manufacturing aragonitic acicular or columnar calcium carbonate agglomerate

Also Published As

Publication number Publication date
JPH01261225A (en) 1989-10-18
KR970001526B1 (en) 1997-02-11
JP2652032B2 (en) 1997-09-10

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