JPS5761630A - Production of high-purity calcium carbonate - Google Patents
Production of high-purity calcium carbonateInfo
- 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
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
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)
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 |
-
1980
- 1980-10-02 JP JP13676080A patent/JPS5761630A/en active Pending
Cited By (5)
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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