RU2009109920A - METHOD FOR PRODUCING DICALCIUMPHOSPHATE - Google Patents
METHOD FOR PRODUCING DICALCIUMPHOSPHATE Download PDFInfo
- Publication number
- RU2009109920A RU2009109920A RU2009109920/21A RU2009109920A RU2009109920A RU 2009109920 A RU2009109920 A RU 2009109920A RU 2009109920/21 A RU2009109920/21 A RU 2009109920/21A RU 2009109920 A RU2009109920 A RU 2009109920A RU 2009109920 A RU2009109920 A RU 2009109920A
- Authority
- RU
- Russia
- Prior art keywords
- limestone
- mixing
- producing
- dicalciumphosphate
- ripening
- Prior art date
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Abstract
Способ получения дикальцийфосфата, включающий смешение фосфорной кислоты с известняком при 60-80°С в безретурном режиме с последующим дозреванием и сушкой продукта топочными газами при 120-145°С до остаточного содержания влаги 1,5-2,5%, отличающийся тем, что смешение ведут в двух последовательно соединенных двухвальных смесителях в течение 4-8 мин при добавлении абсорбционной жидкости в количестве 40-70% от массы известняка. A method of producing dicalcium phosphate, comprising mixing phosphoric acid with limestone at 60-80 ° C in a continuous mode, followed by ripening and drying the product with flue gases at 120-145 ° C to a residual moisture content of 1.5-2.5%, characterized in that mixing is carried out in two series-connected twin-shaft mixers for 4-8 minutes with the addition of absorption liquid in an amount of 40-70% by weight of limestone.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009109920/21A RU2411222C2 (en) | 2009-03-18 | 2009-03-18 | Method for synthesis of dicalcium phosphate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009109920/21A RU2411222C2 (en) | 2009-03-18 | 2009-03-18 | Method for synthesis of dicalcium phosphate |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2009109920A true RU2009109920A (en) | 2010-09-27 |
RU2411222C2 RU2411222C2 (en) | 2011-02-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2009109920/21A RU2411222C2 (en) | 2009-03-18 | 2009-03-18 | Method for synthesis of dicalcium phosphate |
Country Status (1)
Country | Link |
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RU (1) | RU2411222C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2461517C1 (en) * | 2010-12-30 | 2012-09-20 | Государственное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" (ГОУ ВПО БашГУ) | Method of producing dicalcium phosphate |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2467988C1 (en) * | 2011-04-05 | 2012-11-27 | Открытое акционерное общество (ОАО) "Мелеузовские минеральные удобрения" | Method of producing dicalcium phosphate |
RU2673751C1 (en) * | 2018-02-22 | 2018-11-29 | Федеральное государственное бюджетное научное учреждение "Федеральный исследовательский центр "Красноярский научный центр Сибирского отделения Российской академии наук" (ФИЦ КНЦ СО РАН, КНЦ СО РАН) | Method of obtaining phosphate-potassium fertilizers based on wood bark |
-
2009
- 2009-03-18 RU RU2009109920/21A patent/RU2411222C2/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2461517C1 (en) * | 2010-12-30 | 2012-09-20 | Государственное образовательное учреждение высшего профессионального образования "Башкирский государственный университет" (ГОУ ВПО БашГУ) | Method of producing dicalcium phosphate |
Also Published As
Publication number | Publication date |
---|---|
RU2411222C2 (en) | 2011-02-10 |
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PC41 | Official registration of the transfer of exclusive right |
Effective date: 20110722 |
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Effective date: 20190319 |