SU451677A1 - The method of obtaining liquid nitrogen-potassium fertilizers - Google Patents

The method of obtaining liquid nitrogen-potassium fertilizers

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Publication number
SU451677A1
SU451677A1 SU1878862A SU1878862A SU451677A1 SU 451677 A1 SU451677 A1 SU 451677A1 SU 1878862 A SU1878862 A SU 1878862A SU 1878862 A SU1878862 A SU 1878862A SU 451677 A1 SU451677 A1 SU 451677A1
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SU
USSR - Soviet Union
Prior art keywords
liquid nitrogen
solution
obtaining liquid
potassium
potassium fertilizers
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Application number
SU1878862A
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Russian (ru)
Inventor
Анатолий Михайлович Бабенко
Иосиф Маркович Каганский
Original Assignee
Предприятие П/Я А-7531
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Application filed by Предприятие П/Я А-7531 filed Critical Предприятие П/Я А-7531
Priority to SU1878862A priority Critical patent/SU451677A1/en
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Publication of SU451677A1 publication Critical patent/SU451677A1/en

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Description

1one

Изобретение относитс  к способу получени  жидких азотно-калиевых удобрений, примен емых в сельском хоз йстве.The invention relates to a method for producing liquid nitrogen-potassium fertilizers used in agriculture.

Известен способ получени  жидких азотнокалиевых удобрений на основе нитрита кали , заключающийс  в том, что 10-70%-ный раствор нитрита кали  ввод т карбонат кали  в количестве 2-50% к общему весу раствора. Температура кристаллизации полученного раствора составл ет минус 38,б°С, общее содержание питательных веществ 36,1 %.A known method of producing liquid nitrogen-potassium fertilizers based on potassium nitrite, which consists in introducing 10-70% solution of potassium nitrite in an amount of 2-50% potassium carbonate to the total weight of the solution. The crystallization temperature of the resulting solution is minus 38, b ° C, the total nutrient content is 36.1%.

Цель изобретени  - понижение температуры кристаллизации при одновременном повыщении содержани  питательных веществ.The purpose of the invention is to lower the crystallization temperature while increasing the nutrient content.

Дл  этого кристаллический нитрит кали  ввод т в 5-52%-ный раствор сульфита кали  в количестве 2-60% к общему весу раствора. Полученное удобрение содержит серу и повыщенное содержание суммы питательных веществ .For this, crystalline potassium nitrite is introduced into a 5-52% solution of potassium sulfite in an amount of 2-60% to the total weight of the solution. The resulting fertilizer contains sulfur and an increased amount of nutrients.

Пример I. Приготавливают раствор из 98-99% К250з вводе (20% К25Оз+80% ПгО) и- постепенно к нему прибавл ют кристаллический нитрит кали  до тех пор, пока температура кристаллизации раствора не начнет човыщатьс .Example I. A solution is prepared from 98-99% K2503 injecting (20% K25Oz + 80% PGO) and -crystalline crystalline potassium nitrite is added to it until the crystallization temperature of the solution begins to increase.

В результате получают раствор, содержащий 13,2% К25Оз, 54% KNOs и 32,8% . Температура кристаллизации такого раствора минус 42°С, соотнощение в нем N : КгО 1:4 и общее содержание питательных веществ составл ет 46,6%.The result is a solution containing 13.2% K25Oz, 54% KNOs and 32.8%. The crystallization temperature of this solution is minus 42 ° C, the N: CrO ratio is 1: 4, and the total nutrient content is 46.6%.

Пример 2. Готов т раствор из 98-99% К25Оз в воде (40% K2SO3 + 60% НгО) и постепенно к нему прибавл ют кристаллический нитрит кали , пока температура кристаллизации раствора не начнет повыщатьс . В результате получают раствор, содержащий 21,6% К250з, 46,0% KN02, 32,4% НгО, с температурой кристаллизации минус 44°С, соотнощением в нем N : К2О 1 : 5,0 и общим содержанием питательных веществ 45,7%.Example 2. A solution of 98-99% K25Oz in water (40% K2SO3 + 60% HgO) is prepared and crystalline potassium nitrite is added to it until the crystallization temperature of the solution starts to rise. The result is a solution containing 21.6% K250z, 46.0% KN02, 32.4% HgO, with a crystallization temperature of minus 44 ° C, a N: K2O ratio of 1: 5.0 and a total nutrient content of 45, 7%.

Предмет изобретени Subject invention

Способ получени  жидких азотно-калиевых удобрений на основе нитрита кали , отличающийс  тем, что, с целью понижени  температуры кристаллизации при одновременном повыщении содержани  питательных веществ , кристаллический нитрит кали  ввод т в 5-52%-ный раствор сульфита кали  в количестве 2-60% к общему весу раствора.The method of obtaining liquid nitrogen-potassium fertilizers based on potassium nitrite, characterized in that, in order to lower the crystallization temperature while increasing the nutrient content, crystalline potassium nitrite is introduced into a 5-52% solution of potassium sulfite in an amount of 2-60% to the total weight of the solution.

SU1878862A 1973-02-02 1973-02-02 The method of obtaining liquid nitrogen-potassium fertilizers SU451677A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1878862A SU451677A1 (en) 1973-02-02 1973-02-02 The method of obtaining liquid nitrogen-potassium fertilizers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1878862A SU451677A1 (en) 1973-02-02 1973-02-02 The method of obtaining liquid nitrogen-potassium fertilizers

Publications (1)

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SU451677A1 true SU451677A1 (en) 1974-11-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT5120B (en) 2000-08-11 2004-03-25 SEREBRYAKOV, Alexander, Ivanovich Liquid nitrogen-potassium fertiliser
EP2693868A4 (en) * 2011-04-05 2015-07-22 Tessenderlo Kerley Inc Potassium sulfite/potassium bisulfite (ks/kbs) liquid as starter, side-dress, broadcast, foliar and fertigation fertilizers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT5120B (en) 2000-08-11 2004-03-25 SEREBRYAKOV, Alexander, Ivanovich Liquid nitrogen-potassium fertiliser
EP2693868A4 (en) * 2011-04-05 2015-07-22 Tessenderlo Kerley Inc Potassium sulfite/potassium bisulfite (ks/kbs) liquid as starter, side-dress, broadcast, foliar and fertigation fertilizers

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