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RU2000125031A - METHOD FOR PRODUCING COMPLEX FERTILIZER - Google Patents

METHOD FOR PRODUCING COMPLEX FERTILIZER

Info

Publication number
RU2000125031A
RU2000125031A RU2000125031/12A RU2000125031A RU2000125031A RU 2000125031 A RU2000125031 A RU 2000125031A RU 2000125031/12 A RU2000125031/12 A RU 2000125031/12A RU 2000125031 A RU2000125031 A RU 2000125031A RU 2000125031 A RU2000125031 A RU 2000125031A
Authority
RU
Russia
Prior art keywords
finely dispersed
containing component
nitric acid
complex fertilizer
granulation
Prior art date
Application number
RU2000125031/12A
Other languages
Russian (ru)
Other versions
RU2188182C2 (en
Inventor
Владимир Васильевич Коряков
Анатолий Григорьевич Кузнецов
Сергей Иванович Богунов
Ольга Александровна Полякова
Борис Александрович Соловьев
Александр Борисович Козырев
Original Assignee
ОАО "Минудобрения"
Filing date
Publication date
Application filed by ОАО "Минудобрения" filed Critical ОАО "Минудобрения"
Priority to RU2000125031A priority Critical patent/RU2188182C2/en
Priority claimed from RU2000125031A external-priority patent/RU2188182C2/en
Application granted granted Critical
Publication of RU2188182C2 publication Critical patent/RU2188182C2/en
Publication of RU2000125031A publication Critical patent/RU2000125031A/en

Links

Claims (4)

1. Способ получения сложного удобрения, включающий разложение фосфатного сырья азотной кислотой, выделение нитрата кальция из азотно-кислотной вытяжки, аммонизацию азотно-кислотной вытяжки, упаривание, смешение плава с солями калия, грануляцию, отличающийся тем, что грануляцию плава ведут в присутствии тонкодисперсного железосодержащего компонента.1. A method of producing a complex fertilizer, including the decomposition of phosphate feedstock with nitric acid, the separation of calcium nitrate from a nitric acid extract, the ammonization of a nitric acid extract, evaporation, mixing the melt with potassium salts, granulation, characterized in that the granulation of the melt is carried out in the presence of finely dispersed iron-containing component. 2. Способ по п. 1, отличающийся тем, что в качестве тонкодисперсного железосодержащего компонента используют железный сурик или охру. 2. The method according to p. 1, characterized in that as a finely dispersed iron-containing component using iron minium or ocher. 3. Способ по п. 1, отличающийся тем, что расход тонкодиспесного железосодержащего компонента составляет 0,2-2,0% в пересчете на готовый продукт. 3. The method according to p. 1, characterized in that the consumption of finely dispersed iron-containing component is 0.2-2.0% in terms of the finished product. 4. Способ по п. 1, отличающийся тем, что тонкодисперсный железосодержащий компонент дозируют в соли калия, ретур или плав перед грануляцией. 4. The method according to p. 1, characterized in that the finely dispersed iron-containing component is dosed in potassium salt, retur or melt before granulation.
RU2000125031A 2000-10-03 2000-10-03 Complex fertilizer production process RU2188182C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000125031A RU2188182C2 (en) 2000-10-03 2000-10-03 Complex fertilizer production process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000125031A RU2188182C2 (en) 2000-10-03 2000-10-03 Complex fertilizer production process

Publications (2)

Publication Number Publication Date
RU2188182C2 RU2188182C2 (en) 2002-08-27
RU2000125031A true RU2000125031A (en) 2002-09-20

Family

ID=20240633

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000125031A RU2188182C2 (en) 2000-10-03 2000-10-03 Complex fertilizer production process

Country Status (1)

Country Link
RU (1) RU2188182C2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2233819C1 (en) * 2003-08-21 2004-08-10 ОАО "Минудобрения" Method for preparing complex fertilizer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490692A (en) * 1967-07-25 1970-01-20 Robertshaw Controls Co Calibrated control device and method
DE2852643A1 (en) * 1978-12-06 1980-06-19 Huels Chemische Werke Ag METHOD FOR PRODUCING ANTI-DEGRADATION AGAINST INCREASING TEMPERATURE-RESISTANT NPK CONDENSERS CONTAINING AMMONNITRATE, CHLORIDE AND DICALCIUM PHOSPHATE
RU2143414C1 (en) * 1998-09-28 1999-12-27 ОАО "Минудобрения" Method of preparing uncaking ammonium nitrate

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