RU2011127602A - METHOD FOR SYNTHESIS OF HIGH-PERFORMANCE CALCIUM CARBONATE - Google Patents
METHOD FOR SYNTHESIS OF HIGH-PERFORMANCE CALCIUM CARBONATE Download PDFInfo
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- RU2011127602A RU2011127602A RU2011127602/05A RU2011127602A RU2011127602A RU 2011127602 A RU2011127602 A RU 2011127602A RU 2011127602/05 A RU2011127602/05 A RU 2011127602/05A RU 2011127602 A RU2011127602 A RU 2011127602A RU 2011127602 A RU2011127602 A RU 2011127602A
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- Prior art keywords
- calcium hydroxide
- synthesis
- calcium carbonate
- carbon dioxide
- reacting
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- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
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Abstract
Способ синтеза высокодисперсного карбоната кальция, включающий взаимодействие гидроксида кальция с диоксидом углерода в водной среде, отличающийся тем, что перед взаимодействием с диоксидом углерода гидроксид кальция диспергируют в растворе, содержащем или соли аммония из группы- хлорид аммония, нитрат аммония, или сахарозу в концентрации от 4% до 30% и поверхностно- активные вещества(ПАВ) в количестве от 0,01% до 5%, считая на массу исходного гидроксида кальция. A method for the synthesis of finely divided calcium carbonate, comprising reacting calcium hydroxide with carbon dioxide in an aqueous medium, characterized in that before reacting with carbon dioxide, calcium hydroxide is dispersed in a solution containing either ammonium salts from the group ammonium chloride, ammonium nitrate, or sucrose in a concentration of 4% to 30% and surfactants in an amount of 0.01% to 5%, based on the weight of the initial calcium hydroxide.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011127602/05A RU2489355C2 (en) | 2011-07-05 | 2011-07-05 | Method for synthesis of finely dispersed calcium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2011127602/05A RU2489355C2 (en) | 2011-07-05 | 2011-07-05 | Method for synthesis of finely dispersed calcium carbonate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2011127602A true RU2011127602A (en) | 2013-01-10 |
| RU2489355C2 RU2489355C2 (en) | 2013-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2011127602/05A RU2489355C2 (en) | 2011-07-05 | 2011-07-05 | Method for synthesis of finely dispersed calcium carbonate |
Country Status (1)
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| RU (1) | RU2489355C2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2550865C1 (en) * | 2013-12-30 | 2015-05-20 | Меграбян Казарос Аршалуйсович | Method of obtaining calcium carbonate |
| CN104975339A (en) * | 2015-07-20 | 2015-10-14 | 常州碳酸钙有限公司 | Method for preparing nano calcium carbonate whiskers by use of binary complex crystal form control agent of sodium salicylate and ammonium nitrate |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2090088C (en) * | 1992-02-26 | 1995-07-25 | Pierre Marc Fouche | Production of purified calcium carbonate |
| EP1165441A1 (en) * | 1999-03-31 | 2002-01-02 | Minerals Technologies Inc. | Process for the preparation of discrete particles of calcium carbonate |
| FI120032B (en) * | 2004-07-13 | 2009-06-15 | Fp Pigments Oy | Method and apparatus for making a calcium carbonate product, the product and its use |
| EP1746073A1 (en) * | 2005-07-20 | 2007-01-24 | SOLVAY (Société Anonyme) | Process for making a solid compound by precipitation, suspensions of solid in liquids and solids obtained by the process and their use as additives |
| CN101838005B (en) * | 2010-04-30 | 2012-02-01 | 汪晋强 | Method for producing ultrafine light calcium carbonate and white carbon black with co-production of sodium chloride and carbon powder |
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2011
- 2011-07-05 RU RU2011127602/05A patent/RU2489355C2/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| RU2489355C2 (en) | 2013-08-10 |
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| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20190706 |