KR970061783A - Method of manufacturing calcium carbonate by particle size - Google Patents

Method of manufacturing calcium carbonate by particle size Download PDF

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Publication number
KR970061783A
KR970061783A KR1019960002536A KR19960002536A KR970061783A KR 970061783 A KR970061783 A KR 970061783A KR 1019960002536 A KR1019960002536 A KR 1019960002536A KR 19960002536 A KR19960002536 A KR 19960002536A KR 970061783 A KR970061783 A KR 970061783A
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KR
South Korea
Prior art keywords
calcium carbonate
producing
rti
added
suspension
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Application number
KR1019960002536A
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Korean (ko)
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KR0184847B1 (en
Inventor
유규재
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유규재
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Publication date
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Priority to KR1019960002536A priority Critical patent/KR0184847B1/en
Priority to AU12277/97A priority patent/AU691437B2/en
Priority to CA002196124A priority patent/CA2196124C/en
Priority to GB9702081A priority patent/GB2309692B/en
Priority to CN97102401A priority patent/CN1058684C/en
Publication of KR970061783A publication Critical patent/KR970061783A/en
Application granted granted Critical
Publication of KR0184847B1 publication Critical patent/KR0184847B1/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
    • 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
    • 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
    • C01F11/184—Preparation of calcium carbonate by carbonation of solutions based on non-aqueous solvents
    • 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
    • C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
    • C01F11/183—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds the additive being an organic compound
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/02—Compounds of alkaline earth metals or magnesium
    • C09C1/021—Calcium carbonates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
    • 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
    • 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
    • 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
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer

Abstract

전자현미경법에 의한 평균입자경(이하, 전현입경이라 칭함)이 0.04㎛을 초과하고 0.08㎛ 미만인 임의의 균일입자에 의하여 구성되고, 응집성이 거의 없고 요구되는 용도별의 기능성을 현저히 발휘할 수 있는 입경별 교질탄산칼슘의 제조법을 제공한다.(Hereinafter referred to as " particle diameters ") of 0.04 占 퐉 or less and less than 0.08 占 퐉 and having almost no cohesiveness, A process for producing calcium carbonate is provided.

석회유 현탁액에 설탕 기타의 Ca 이온 농도를 증대시키는 첨가제를 가한후, 탄산가스를 도입함으로써, 전현입경이 0.04㎛인 교질탄산칼슘을 얻는다.An additive for increasing the Ca ion concentration of sugar or other substances is added to the lime oil suspension, and carbon dioxide gas is then introduced to obtain a calcium carbonate having a grain size of 0.04 占 퐉.

이 현탁액에 1가 또는 2가의 양이온으로 이루어지는 수산화물을 첨가하고, 40~95℃로 가온하면서, 레이놀즈수가 100~5,000이 되는 교반을 계속함으로써, 0.04㎛의 입자가 숙성되어, 한변이 +0.005㎛씩 크게된 입자, 즉, 0.045, 0.050부터 0.075㎛까지의 원하는 입방형 교질탄산칼슘을 얻는 것이다.By adding a hydroxide consisting of a monovalent or divalent cation to this suspension and continuing the agitation at a Reynolds number of 100 to 5,000 while heating at 40 to 95 캜, particles of 0.04 占 퐉 were aged, and one side became + 0.005 占 퐉 0.0 > 0.075 < / RTI > to 0.075 < RTI ID = 0.0 > pm. ≪ / RTI >

Description

입경별 교질탄산칼슘의 제조방법Method of manufacturing calcium carbonate by particle size

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

Claims (5)

농도 3~8중량%, 온도 14~18℃의 석회유 현탁액에 20~40용량%의 탄산가스를 40~200ℓ/분ㆍ㎏ Ca(OH)2의 속도로 도입하여 교질탄산칼슘을 제조하는 방법에 있어서, 탄산 가스 도입전에 석회유 현탁액에 대하여 설탕 또는 킬레이트제를 첨가하고, 탄산가스 도입후, 숙성시에 양이온의 수산화물을 첨가하여, 이후 가온ㆍ교반하여 전현입경이 0.04㎛를 초과하고 0.08㎛ 미만인 0.045, 0.050, 0.055, 0.060, 0.065, 0.070, 0.075㎛입경의 입방체의 교질탄산칼슘을 입경별로 제조하는 방법.A method of producing calcium carbonate by introducing 20 to 40% by volume of carbon dioxide gas at a rate of 40 to 200 L / min. Ca (OH) 2 into a lime oil suspension having a concentration of 3 to 8% by weight and a temperature of 14 to 18 A sugar or a chelating agent is added to the lime oil suspension prior to the introduction of the carbonic acid gas, a hydroxide of a cation is added at the time of aging after the introduction of the carbonic acid gas, and then the mixture is heated and stirred to give 0.045 .mu.m and 0.045 , 0.050, 0.055, 0.060, 0.065, 0.070, and 0.075 mu m in diameter. 숙성에 있어서 전현입경 0.04㎛의 pH6.8의 현탁액중에 용존하는 탄산이온을 중화하기 위하여 1가 양이온 또는 2가 양이온의 수산화물을 0.1~0.8부/ Ca(0H)₂첨가하는 것을 특징으로 하는 제1항에 기재한 교질탄산칼슘의 제조방법.Characterized in that a hydroxide of a monovalent cation or a divalent cation is added in an amount of 0.1 to 0.8 part / Ca (OH) 2 in order to neutralize dissolved carbonate ions in a suspension having a pH of 6.8, Gt; < RTI ID = 0.0 > 1, < / RTI > 숙성시 온도 40~95℃로 가온하면서 레이놀즈수가 100~5,000이 되도록 교반을 행하는 것을 특징으로 하는 제1항 또는 제2항에 기재한 교질탄산칼슘의 제조방법.The method of producing a gelled calcium carbonate as set forth in claim 1 or 2, wherein the agitation is carried out so that the Reynolds number becomes 100 to 5,000 while being heated to a temperature of 40 to 95 deg. 숙성에 있어서 전현입경 0.045 내지 0.075㎛의 입방체의 교질탄산칼슘을 그 상승하는 pH로부터 임의로 제조할 수 있는 것을 특징으로 하는 제1항 또는 제2항에 기재한 교질탄산칼슘의 제조방법.A process for producing a gypsum calcium carbonate as claimed in any one of claims 1 to 3, characterized in that, in aging, the cubic calcium carbonate having a particle diameter of 0.045 to 0.075 mu m can be optionally prepared from the rising pH thereof. 전현입경이 0.04㎛를 초과하고 0.08㎛ 미만인 교질탄산칼슘을 포함하는 현탁액을 농도 14±1중량% 농축한후, 표면처리제로 표면처리한후, 탈수, 건조, 해쇄하여 응집이 적고 입도가 균일한 제1항 또는 제2항에 기재한 교질탄산칼슘의 제조방법.The suspension containing calcium carbonate monoglyceride having a particle diameter of more than 0.04 탆 and less than 0.08 탆 was concentrated at a concentration of 14 ± 1% by weight and then subjected to surface treatment with a surface treating agent, followed by dehydration, drying and shaking, A process for producing a gypsum calcium carbonate according to any one of claims 1 to 3. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960002536A 1996-02-02 1996-02-02 Process for preparing calcium carbonate KR0184847B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
KR1019960002536A KR0184847B1 (en) 1996-02-02 1996-02-02 Process for preparing calcium carbonate
AU12277/97A AU691437B2 (en) 1996-02-02 1997-01-22 Process for preparing colloidal calcium carbonate by particle size
CA002196124A CA2196124C (en) 1996-02-02 1997-01-28 Process for preparing colloidal calcium carbonate by particle size
GB9702081A GB2309692B (en) 1996-02-02 1997-01-31 Process for preparing colloidal calcium carbonate by particle size
CN97102401A CN1058684C (en) 1996-02-02 1997-01-31 Process for preparing colloidal calcium carbonate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960002536A KR0184847B1 (en) 1996-02-02 1996-02-02 Process for preparing calcium carbonate

Publications (2)

Publication Number Publication Date
KR970061783A true KR970061783A (en) 1997-09-12
KR0184847B1 KR0184847B1 (en) 1999-04-15

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Country Status (5)

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KR (1) KR0184847B1 (en)
CN (1) CN1058684C (en)
AU (1) AU691437B2 (en)
CA (1) CA2196124C (en)
GB (1) GB2309692B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9815289D0 (en) * 1998-07-14 1998-09-09 Unilever Plc Speroidal calcitic calcium carbonate
JP4596148B2 (en) * 2005-05-18 2010-12-08 信越化学工業株式会社 Room temperature curable organopolysiloxane composition
CA2943930A1 (en) 2014-03-31 2015-10-08 Nippon Paper Industries Co., Ltd. Calcium carbonate microparticles and processes for preparing them
CN103897434B (en) * 2014-04-19 2016-03-30 芮城新泰纳米材料有限公司 The preparation method that plastic master batch is Nano calcium carbonate dedicated

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52126697A (en) * 1976-04-16 1977-10-24 Toyo Soda Mfg Co Ltd Production of chain calcium carbonate
JPS5343694A (en) * 1976-10-01 1978-04-19 Shiraishi Kogyo Kaisha Ltd Process for producing cubic calcium carbonate having 0*111*0micron size
JPH01230424A (en) * 1988-03-09 1989-09-13 Shiraishi Chuo Kenkyusho:Kk Calcium carbonate, calcium carbonate pigment, production thereof, coating composition therefrom for information recording paper and information recording paper coated therewith
US5332564A (en) * 1992-07-10 1994-07-26 Ecc International Inc. Process for production of rhombic shaped precipitated calcium carbonate
JP3055334B2 (en) * 1992-11-16 2000-06-26 菱光石灰工業株式会社 Method for producing colloidal calcium carbonate

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Publication number Publication date
CA2196124A1 (en) 1997-08-03
CA2196124C (en) 2000-12-19
CN1058684C (en) 2000-11-22
AU1227797A (en) 1997-08-28
GB2309692A (en) 1997-08-06
GB9702081D0 (en) 1997-03-19
GB2309692B (en) 1998-03-04
CN1163860A (en) 1997-11-05
AU691437B2 (en) 1998-05-14
GB2309692A8 (en) 1997-09-11
KR0184847B1 (en) 1999-04-15

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