RU2010130105A - METHOD FOR PRODUCING CALCIUM CARBONATE - Google Patents
METHOD FOR PRODUCING CALCIUM CARBONATE Download PDFInfo
- Publication number
- RU2010130105A RU2010130105A RU2010130105/05A RU2010130105A RU2010130105A RU 2010130105 A RU2010130105 A RU 2010130105A RU 2010130105/05 A RU2010130105/05 A RU 2010130105/05A RU 2010130105 A RU2010130105 A RU 2010130105A RU 2010130105 A RU2010130105 A RU 2010130105A
- Authority
- RU
- Russia
- Prior art keywords
- calcium carbonate
- heat treatment
- producing calcium
- carbonate
- precipitation
- Prior art date
Links
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title claims abstract 10
- 229910000019 calcium carbonate Inorganic materials 0.000 title claims abstract 5
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 claims abstract 6
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims abstract 4
- 238000000034 method Methods 0.000 claims abstract 4
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims abstract 2
- 235000012501 ammonium carbonate Nutrition 0.000 claims abstract 2
- 239000001099 ammonium carbonate Substances 0.000 claims abstract 2
- 238000000227 grinding Methods 0.000 claims abstract 2
- 230000003993 interaction Effects 0.000 claims abstract 2
- 238000001556 precipitation Methods 0.000 claims abstract 2
- 239000000725 suspension Substances 0.000 claims abstract 2
- 238000005406 washing Methods 0.000 claims abstract 2
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
1. Способ получения карбоната кальция, включающий взаимодействие нитрата кальция с раствором карбоната аммония, выделение осадка целевого продукта из суспензии, его промывку, термообработку, измельчение, отличающийся тем, что термообработку проводят при 400-700°С. ! 2. Способ по п.1, отличающийся тем, что карбонат кальция перед термообработкой сушат до влажности менее 1%. 1. The method of producing calcium carbonate, including the interaction of calcium nitrate with a solution of ammonium carbonate, the precipitation of the target product from the suspension, washing, heat treatment, grinding, characterized in that the heat treatment is carried out at 400-700 ° C. ! 2. The method according to claim 1, characterized in that the calcium carbonate is dried to a moisture content of less than 1% before heat treatment.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010130105/05A RU2447024C2 (en) | 2010-07-19 | 2010-07-19 | Method of producing calcium carbonate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2010130105/05A RU2447024C2 (en) | 2010-07-19 | 2010-07-19 | Method of producing calcium carbonate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2010130105A true RU2010130105A (en) | 2012-01-27 |
| RU2447024C2 RU2447024C2 (en) | 2012-04-10 |
Family
ID=45786163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2010130105/05A RU2447024C2 (en) | 2010-07-19 | 2010-07-19 | Method of producing calcium carbonate |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2447024C2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1456366A1 (en) * | 1986-10-20 | 1989-02-07 | Предприятие П/Я А-1997 | Method of producing lump calcium carbonate |
| US6790424B2 (en) * | 2001-10-31 | 2004-09-14 | Council Of Scientific And Industrial Research | Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product |
| RU2265577C1 (en) * | 2004-09-22 | 2005-12-10 | Открытое акционерное общество "Кирово-Чепецкий химический комбинат им. Б.П. Константинова" (ОАО КЧХК) | Method of production of calcium carbonate |
-
2010
- 2010-07-19 RU RU2010130105/05A patent/RU2447024C2/en active IP Right Revival
Also Published As
| Publication number | Publication date |
|---|---|
| RU2447024C2 (en) | 2012-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PD4A | Correction of name of patent owner | ||
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20200720 |
|
| NF4A | Reinstatement of patent |
Effective date: 20211213 |