RU2013120240A - METHOD FOR CALCIUM SULPHATE CONVERSION - Google Patents
METHOD FOR CALCIUM SULPHATE CONVERSION Download PDFInfo
- Publication number
- RU2013120240A RU2013120240A RU2013120240/05A RU2013120240A RU2013120240A RU 2013120240 A RU2013120240 A RU 2013120240A RU 2013120240/05 A RU2013120240/05 A RU 2013120240/05A RU 2013120240 A RU2013120240 A RU 2013120240A RU 2013120240 A RU2013120240 A RU 2013120240A
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- RU
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- surfactants
- calcium sulfate
- interaction
- aqueous solution
- solution containing
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Abstract
Способ конверсии сульфата кальция, включающий его взаимодействия с водным раствором, содержащим анион угольной кислоты, отличающийся тем, что перед взаимодействием сульфата кальция и водного раствора, содержащего анион угольной кислоты, в реакционную среду вводят поверхностно активные вещества (ПАВ) из группы: анионактивные ПАВ, катионактивеые ПАВ, неионогенные ПАВ, амфотерные ПАВ в количестве от 0,001% до 5%, считая на массу исходного сульфата кальция.The method of conversion of calcium sulfate, including its interaction with an aqueous solution containing a carbonic anion, characterized in that before the interaction of calcium sulfate and an aqueous solution containing a carbonic anion, surfactants from the group: anionic surfactants are introduced into the reaction medium, cationic surfactants, nonionic surfactants, amphoteric surfactants in an amount of from 0.001% to 5%, based on the weight of the initial calcium sulfate.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013120240/05A RU2553855C2 (en) | 2013-04-30 | 2013-04-30 | Method of calcium sulphate conversion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013120240/05A RU2553855C2 (en) | 2013-04-30 | 2013-04-30 | Method of calcium sulphate conversion |
Publications (2)
Publication Number | Publication Date |
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RU2013120240A true RU2013120240A (en) | 2014-11-10 |
RU2553855C2 RU2553855C2 (en) | 2015-06-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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RU2013120240/05A RU2553855C2 (en) | 2013-04-30 | 2013-04-30 | Method of calcium sulphate conversion |
Country Status (1)
Country | Link |
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RU (1) | RU2553855C2 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2090088C (en) * | 1992-02-26 | 1995-07-25 | Pierre Marc Fouche | Production of purified calcium carbonate |
WO2000058217A1 (en) * | 1999-03-31 | 2000-10-05 | Minerals Technologies Inc. | Process for the preparation of discrete particles of calcium carbonate |
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 |
RU2314999C1 (en) * | 2006-04-17 | 2008-01-20 | Меграбян Казарос Аршалуйсович | Finely-dispersed calcium carbonate producing method |
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2013
- 2013-04-30 RU RU2013120240/05A patent/RU2553855C2/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
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RU2553855C2 (en) | 2015-06-20 |
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RU2013120240A (en) | METHOD FOR CALCIUM SULPHATE CONVERSION |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20141110 |
|
FZ9A | Application not withdrawn (correction of the notice of withdrawal) |
Effective date: 20150318 |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20190501 |