JPS5761630A - Production of high-purity calcium carbonate - Google Patents

Production of high-purity calcium carbonate

Info

Publication number
JPS5761630A
JPS5761630A JP13676080A JP13676080A JPS5761630A JP S5761630 A JPS5761630 A JP S5761630A JP 13676080 A JP13676080 A JP 13676080A JP 13676080 A JP13676080 A JP 13676080A JP S5761630 A JPS5761630 A JP S5761630A
Authority
JP
Japan
Prior art keywords
calcium carbonate
purity calcium
egg
washed
produce high
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.)
Pending
Application number
JP13676080A
Other languages
Japanese (ja)
Inventor
Katsuo Komiya
Fumiko Nakazawa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP13676080A priority Critical patent/JPS5761630A/en
Publication of JPS5761630A publication Critical patent/JPS5761630A/en
Pending legal-status Critical Current

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
    • C01F11/185—After-treatment, e.g. grinding, purification, conversion of crystal morphology
    • 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

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

PURPOSE: Egg shells of birds are treated with a diluted alkali under heating and with dilute phytic acid to produce high-purity calcium carbonate in low costs.
CONSTITUTION: Hen egg shells containing egg membranes are combined with a 0.3W5% sodium hydroxide aqueous solution and they are heated. When they begin boiling, the heating is stopped and cooled by standing. Then, the remaining solution is removed and washed with water 0.1% phytic acid solution added and they are stirred, then the egg shells separating from egg membranes are collected, washed with water, dried and crused to produce high-purity calcium carbonate used for food products and medical purposes.
COPYRIGHT: (C)1982,JPO&Japio
JP13676080A 1980-10-02 1980-10-02 Production of high-purity calcium carbonate Pending JPS5761630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13676080A JPS5761630A (en) 1980-10-02 1980-10-02 Production of high-purity calcium carbonate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13676080A JPS5761630A (en) 1980-10-02 1980-10-02 Production of high-purity calcium carbonate

Publications (1)

Publication Number Publication Date
JPS5761630A true JPS5761630A (en) 1982-04-14

Family

ID=15182858

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13676080A Pending JPS5761630A (en) 1980-10-02 1980-10-02 Production of high-purity calcium carbonate

Country Status (1)

Country Link
JP (1) JPS5761630A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02221117A (en) * 1989-02-20 1990-09-04 Hisanao Zenno Method for refining natural calcium base material
KR100387360B1 (en) * 2000-11-24 2003-06-12 주식회사 백광소재 Process for producing high-purity calcium hydrooxide
CN101844789A (en) * 2010-06-18 2010-09-29 苏州大学 Method for preparing calcium carbonate microspheres
JP2011184269A (en) * 2010-03-10 2011-09-22 Wada Kigata Seisakusho:Kk Method for removing protein from calcareous material of biological origin and resin composition containing solid calcium carbonate obtained by the method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02221117A (en) * 1989-02-20 1990-09-04 Hisanao Zenno Method for refining natural calcium base material
JPH0818829B2 (en) * 1989-02-20 1996-02-28 久直 禅野 Method for producing calcium material mainly composed of natural calcium compound
KR100387360B1 (en) * 2000-11-24 2003-06-12 주식회사 백광소재 Process for producing high-purity calcium hydrooxide
JP2011184269A (en) * 2010-03-10 2011-09-22 Wada Kigata Seisakusho:Kk Method for removing protein from calcareous material of biological origin and resin composition containing solid calcium carbonate obtained by the method
CN101844789A (en) * 2010-06-18 2010-09-29 苏州大学 Method for preparing calcium carbonate microspheres

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