SU509565A1 - Method for producing ammonium polyphosphate - Google Patents
Method for producing ammonium polyphosphateInfo
- Publication number
- SU509565A1 SU509565A1 SU2003327A SU2003327A SU509565A1 SU 509565 A1 SU509565 A1 SU 509565A1 SU 2003327 A SU2003327 A SU 2003327A SU 2003327 A SU2003327 A SU 2003327A SU 509565 A1 SU509565 A1 SU 509565A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ammonium polyphosphate
- ammonia
- producing ammonium
- ammonium
- extraction
- Prior art date
Links
Landscapes
- Fertilizers (AREA)
Description
{54) СПОСОБ ПОЛУЧЕНИЯ, ПОЛИФОСФЛТОВ АММОНИЯ{54) METHOD OF OBTAINING AMMONIUM POLYPHOSPHLTS
1one
Изобретение относитс с способам получени полнфосфатоБ аммони и может -быть использовано в производстве минеральных удобрений,The invention relates to methods for producing ammonium full phosphateB and may be used in the manufacture of mineral fertilizers,
. Известеи способ получени полифосфатов аммони путем аммонизации экстракционной фосфорной кислоты с последующим отделеинем нерастворимого осадка, доаммонизацией полученного фильтрата и гранул цией об разевавшегос плава полифосфатов аммони , Недостатками известного способа вл ютс Низкое содержание усво емой формы Р«О. Limes a method of producing ammonium polyphosphates by ammonizing extraction phosphoric acid followed by separating insoluble precipitate, pre-ammonizing the resulting filtrate and granulating the formed ammonium polyphosphate melt.
в готовом продукте и его больша адгезио на способность.in the finished product and its great ability to adhesion.
По предлагаемому способу гранул цию плава i- полифосфатов аммони ведут в присутствии нерастворимого осадка. Это улучшает физико-механические свойства готового продукта за счет уменьшени его адгезионной способности и повышает в нем содержание усво емой формы .According to the proposed method, granulation of an i-ammonium polyphosphate melt is carried out in the presence of an insoluble precipitate. This improves the physicomechanical properties of the finished product by reducing its adhesiveness and increases the content of the absorbed form in it.
С WITH
П р и м е р. В реактор подают 10 вес, ч экстракционной ортофосфорной кислоты, со,PRI me R. In the reactor serves 10 weight, h of extraction phosphoric acid, co,
держащей 29% Р О (весовое отношение оholding 29% P O (weight ratio is about
0,0-16), и 0,5 вес. ч. газ. аммиака При этом рН пульпы 2,5. Осадок отфильтровывают и высушивают при , Получают 2 вес, ч. осадка. 0.0-16), and 0.5 weight. h. gas. ammonia With a pH of pulp of 2.5. The precipitate is filtered off and dried at, Gain 2 weight, including sediment.
Фильтрат аммонизируют до рН 5,0 и полученную пульпу упаривают и дег1щратиру« ют при температуре 15О-22О°С. В получен«2 3 The filtrate is ammoniated to a pH of 5.0 and the resulting pulp is evaporated and the dye is heated at a temperature of 15 ° -22 ° C. B received “2 3
ный плав с содержаниемmelt with content
ввод т осадок i. гранушфуют при 1штенскв. ном перемешивании.precipitate is introduced i. granulated at 1 sht. but mixing.
В результате получают продукт состава, %: 56 РрОд общ.; 1О N ; 1 влаги, с О шими : физико-механическими свойствами.The result is a product of the composition,%: 56 Rrod total .; 1O N; 1 moisture, with O shimi: physicomechanical properties.
Прочность гранул 65 кг/см . 95% The strength of the granules is 65 kg / cm. 95%
- 5- five
в усво емой форме.in digestible form.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2003327A SU509565A1 (en) | 1974-03-11 | 1974-03-11 | Method for producing ammonium polyphosphate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2003327A SU509565A1 (en) | 1974-03-11 | 1974-03-11 | Method for producing ammonium polyphosphate |
Publications (1)
Publication Number | Publication Date |
---|---|
SU509565A1 true SU509565A1 (en) | 1976-04-05 |
Family
ID=20578002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2003327A SU509565A1 (en) | 1974-03-11 | 1974-03-11 | Method for producing ammonium polyphosphate |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU509565A1 (en) |
-
1974
- 1974-03-11 SU SU2003327A patent/SU509565A1/en active
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