SU485099A1 - The method of obtaining complex fertilizers - Google Patents
The method of obtaining complex fertilizersInfo
- Publication number
- SU485099A1 SU485099A1 SU1936797A SU1936797A SU485099A1 SU 485099 A1 SU485099 A1 SU 485099A1 SU 1936797 A SU1936797 A SU 1936797A SU 1936797 A SU1936797 A SU 1936797A SU 485099 A1 SU485099 A1 SU 485099A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- melt
- complex fertilizers
- obtaining complex
- phosphate
- fertilizers
- Prior art date
Links
Landscapes
- Fertilizers (AREA)
Description
кислотами, испар етс . Влажность полученного плава 1%. Плав выдерживают при . в течение 4 час и получают 20% фосфато/з в конденсированной форме. В плав добавл$иот 41 кг хлористого кали и гра (Нулируют. Пример 2. Смесь; состо щую из 96,8 кг азотной кислоты (47% HNO,j) и 4О,4 кг экстракционной фосфорной кислоты . (54% нейтрализуют 17,4кг аммиака. Полученный плав, содержащий 28,8% - - но, U U V , 45.1% и воду, смешивают с 5 кг диаммонийпирофосфата (N Н.) Н, ) и упаривают т i. до остаточного содержани влаги в плаве , не более 2%. Температура процесса 160 В плав добавл ют 41 кг хлористого кали (60% воды) и гранулируют. изобретени Предмет 1. Способ получени сложных удобрений путем гранул ции плава, содержащего нитраты, и фосфаты аммони , в присутстВИИ конденсированных форм фосфатов, отличающийс тем, что, с целью создани возможности введени в плав хлористого кали , процесс ведут при содержании конденсированных форм фосфатов ..5-25% от веса фосфатной чдсти. 2. Способ по п. 1, о т л и ч а ющ и и с тем, что плав выдерживают в : течение 3-5 час при 150-170°С. ; 3. Способ по п. 1, отлича ю-; щ и и с тем, что в плав ввод т готовые соли, содержащие фосфат в конденсированной форме, например диаммонийпирофосфат. acids evaporate. Humidity obtained melt 1%. The melt is aged at. within 4 hours and get 20% phosphato / s in condensed form. To the melt add 41 kg of potassium chloride and gra (Zero. Example 2. Mixture; consisting of 96.8 kg of nitric acid (47% HNO, j) and 4O, 4 kg of extraction phosphoric acid. (54% neutralize 17, 4 kg of ammonia. The resulting melt, containing 28.8% - - but, UUV, 45.1% and water, is mixed with 5 kg of diammonium pyrophosphate (N H) H,) and evaporated t i to the residual moisture content in the melt, not more than 2 % Process temperature 160 Melt 41 kg of potassium chloride (60% water) are added to the melt and granulated. Invention Item 1. A method for producing complex fertilizers by granulating a melt containing nitrates, and ammonium phosphates, in the presence of condensed phosphate forms, characterized in that, in order to create the possibility of introducing potassium chloride into the melt, the process is carried out at a content of condensed phosphate forms of from 5 to 25% by weight of phosphate phosphate. 2. Method according to claim 1 , with the fact that the melt is kept in: for 3-5 hours at 150-170 ° C.; 3. The method according to claim 1, distinguishing it by means of the Prepared salts containing phosphate in condensed form, for example, diammonium pyrophosphate, are introduced into the melt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1936797A SU485099A1 (en) | 1973-06-15 | 1973-06-15 | The method of obtaining complex fertilizers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1936797A SU485099A1 (en) | 1973-06-15 | 1973-06-15 | The method of obtaining complex fertilizers |
Publications (1)
Publication Number | Publication Date |
---|---|
SU485099A1 true SU485099A1 (en) | 1975-09-25 |
Family
ID=20557909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1936797A SU485099A1 (en) | 1973-06-15 | 1973-06-15 | The method of obtaining complex fertilizers |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU485099A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398936A (en) * | 1978-07-04 | 1983-08-16 | Unie Van Kunstmestfabrieken, B.V. | Process for the preparation of a granular NPK fertilizer and granular NPK fertilizers obtained by this process |
-
1973
- 1973-06-15 SU SU1936797A patent/SU485099A1/en active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4398936A (en) * | 1978-07-04 | 1983-08-16 | Unie Van Kunstmestfabrieken, B.V. | Process for the preparation of a granular NPK fertilizer and granular NPK fertilizers obtained by this process |
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