SU572442A1 - Method of preparing composite fertilizer - Google Patents

Method of preparing composite fertilizer

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Publication number
SU572442A1
SU572442A1 SU7502117298A SU2117298A SU572442A1 SU 572442 A1 SU572442 A1 SU 572442A1 SU 7502117298 A SU7502117298 A SU 7502117298A SU 2117298 A SU2117298 A SU 2117298A SU 572442 A1 SU572442 A1 SU 572442A1
Authority
SU
USSR - Soviet Union
Prior art keywords
potassium nitrate
nitric acid
composite fertilizer
addition
preparing composite
Prior art date
Application number
SU7502117298A
Other languages
Russian (ru)
Inventor
Малик Набиевич Набиев
Алия Мухаметзакировна Амирова
Рустам Ахмедович Каримов
Original Assignee
Институт Химии Ан Узбекской Сср
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Институт Химии Ан Узбекской Сср filed Critical Институт Химии Ан Узбекской Сср
Priority to SU7502117298A priority Critical patent/SU572442A1/en
Application granted granted Critical
Publication of SU572442A1 publication Critical patent/SU572442A1/en

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  • Fertilizers (AREA)

Description

33

13,4; Р2О5 води. 9,4; К2О 6,7. Соотношение 13.4; P2O5 drive. 9.4; K2O 6.7. Ratio

К20 6,7. N : Р2О5 : ,2 : 1:0,5, сумма питательных компонентов 36%, .K20 6.7. N: P2O5: 2: 1: 0.5, the amount of nutrients 36%.

Пример 3. 100 г апатита разлагают 232 г 55%-ной азотной кислоты, затем в выт жке раствор ют при 40-50°С 84 г нитрата кали , раствор нейтрализуют 13 г аммиака, выпарнвают, гранулируют, подсушивают. Выход продукта 310 г. Удобрение содержит, %: -N 16,3; Р2О5 общ. 12,6; Р2О5 води, 8,8; К2О 12,6. N :Р2О5:К2О 1,3: 1 : 1, сумма питательных компонентов 41,5%, рН 4,4.Example 3. 100 g of apatite are decomposed with 232 g of 55% nitric acid, then 84 g of potassium nitrate are dissolved in the extract at 40-50 ° C, the solution is neutralized with 13 g of ammonia, evaporated, granulated, and dried. Yield 310 g. Fertilizer contains,%: -N 16.3; P2O5 total 12.6; P2O5 drive, 8.8; K2O 12.6. N: P2O5: K2O 1.3: 1: 1, the amount of nutrients 41.5%, pH 4.4.

Claims (3)

1. Способ получени  сложного удобрени  путем разложени  фосфатного сырь  азотной кислотой, добавлением к образовавшейс  пульпе азотсодержащего компонента с последующей нейтрализацией аммиаком, гранул цией и сушкой продукта, отличающийс   тем, что, с целью повышени  содержани  питательных веществ и доли водорастворимой формы фосфора в продукте, в качестве добавки используют нитрат кали .1. A method of obtaining a complex fertilizer by decomposing a phosphate raw material with nitric acid, adding a nitrogen-containing component to the resulting pulp, followed by neutralization with ammonia, granulating and drying the product, characterized in that potassium nitrate is used as an additive. 2.Способ по п. 1, отличающийс  тем, что добавку нитрата кали  берут в количестве 0,2-0,4 мол  на 1 моль СаО.2. A method according to claim 1, characterized in that the addition of potassium nitrate is taken in an amount of 0.2-0.4 mol per 1 mole of CaO. 3.Способ по п. I, отличающийс  тем, что добавку нитрата кали  ввод т при 40-3. The method according to claim I, characterized in that the addition of potassium nitrate is introduced at 40 50°С.50 ° C. Источники информации, прин тые во внимание при экспертизеSources of information taken into account in the examination 1.Моминов М. «Получение тройных удобрений разложением фосфоритов Каратау неполной нормой азотной кислоты. Автореферат кандидатской диссертации, Ташкент, 1969.1. Mominov M. “Production of ternary fertilizers by decomposition of Karatau phosphorites with an incomplete norm of nitric acid. Abstract of the master's thesis, Tashkent, 1969. 2.Авторское свидетельство СССР №148070, кл. С 05d 11/00, 1972.2. USSR author's certificate No. 148070, cl. From 05d 11/00, 1972.
SU7502117298A 1975-03-28 1975-03-28 Method of preparing composite fertilizer SU572442A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU7502117298A SU572442A1 (en) 1975-03-28 1975-03-28 Method of preparing composite fertilizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU7502117298A SU572442A1 (en) 1975-03-28 1975-03-28 Method of preparing composite fertilizer

Publications (1)

Publication Number Publication Date
SU572442A1 true SU572442A1 (en) 1977-09-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU7502117298A SU572442A1 (en) 1975-03-28 1975-03-28 Method of preparing composite fertilizer

Country Status (1)

Country Link
SU (1) SU572442A1 (en)

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