RU97121483A - METHOD FOR PRODUCING GRANULATED PHOSPHORUS CONTAINING COMPLEX MIXED FERTILIZERS - Google Patents

METHOD FOR PRODUCING GRANULATED PHOSPHORUS CONTAINING COMPLEX MIXED FERTILIZERS

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Publication number
RU97121483A
RU97121483A RU97121483/25A RU97121483A RU97121483A RU 97121483 A RU97121483 A RU 97121483A RU 97121483/25 A RU97121483/25 A RU 97121483/25A RU 97121483 A RU97121483 A RU 97121483A RU 97121483 A RU97121483 A RU 97121483A
Authority
RU
Russia
Prior art keywords
phosphorus
containing component
containing complex
complex mixed
phosphorus containing
Prior art date
Application number
RU97121483/25A
Other languages
Russian (ru)
Other versions
RU2121990C1 (en
Inventor
П.В. Классен
Т.И. Завертяева
Original Assignee
Открытое акционерное общество "НИУИФ"
Filing date
Publication date
Application filed by Открытое акционерное общество "НИУИФ" filed Critical Открытое акционерное общество "НИУИФ"
Priority to RU97121483A priority Critical patent/RU2121990C1/en
Priority claimed from RU97121483A external-priority patent/RU2121990C1/en
Application granted granted Critical
Publication of RU2121990C1 publication Critical patent/RU2121990C1/en
Publication of RU97121483A publication Critical patent/RU97121483A/en

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Claims (4)

1. Способ получения гранулированных фосфорсодержащих сложносмешанных удобрений, включающий смешение фосфорсодержащего компонента с азотсодержащей добавкой и последующее гранулирование смеси при повышенной температуре, отличающийся тем. что фосфорсодержащий компонент смешивают с раствором азотсодержащего компонента до получения соотношения N : Р2O5 : Н2О = 1 : (0,04-0,7) : (0,1 - 8,9) при 70 - 105oC и полученную суспензию подают на гранулирование.1. A method of producing granular phosphorus-containing complex mixed fertilizers, comprising mixing a phosphorus-containing component with a nitrogen-containing additive and subsequent granulation of the mixture at elevated temperature, characterized in that. that the phosphorus-containing component is mixed with a solution of the nitrogen-containing component to obtain a ratio of N: P 2 O 5 : H 2 O = 1: (0.04-0.7): (0.1 - 8.9) at 70 - 105 o C and the resulting suspension is fed to granulation. 2. Способ по п. 1, отличающийся тем, что в качестве фосфорсодержащего компонента берут фосфаты аммония и/или кальция, фосфориты, а в качестве азотсодержащего компонента используют нитрат и/или сульфат аммония, карбамид. 2. The method according to p. 1, characterized in that as a phosphorus-containing component take ammonium and / or calcium phosphates, phosphorites, and as a nitrogen-containing component use ammonium nitrate and / or sulfate, urea. 3. Способ по пп. 1 и 2, отличающийся тем, что при смешении добавляют калийсодержащую добавку. 3. The method according to PP. 1 and 2, characterized in that when mixing add a potassium-containing additive. 4. Способ по пп. 1 - 3, отличающийся тем, что гранулирование суспензии ведут при 60 - 90oC.4. The method according to PP. 1 to 3, characterized in that the granulation of the suspension is carried out at 60 - 90 o C.
RU97121483A 1997-12-04 1997-12-04 Method of preparing compounded granular phosphorus containing fertilizers RU2121990C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU97121483A RU2121990C1 (en) 1997-12-04 1997-12-04 Method of preparing compounded granular phosphorus containing fertilizers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU97121483A RU2121990C1 (en) 1997-12-04 1997-12-04 Method of preparing compounded granular phosphorus containing fertilizers

Publications (2)

Publication Number Publication Date
RU2121990C1 RU2121990C1 (en) 1998-11-20
RU97121483A true RU97121483A (en) 1999-03-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU97121483A RU2121990C1 (en) 1997-12-04 1997-12-04 Method of preparing compounded granular phosphorus containing fertilizers

Country Status (1)

Country Link
RU (1) RU2121990C1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6824584B2 (en) * 2001-07-03 2004-11-30 Donald C. Young Ammonium phosphate/phosphite fertilizer compound

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