SU635080A1 - Method of obtaining granulated carbamide - Google Patents

Method of obtaining granulated carbamide

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Publication number
SU635080A1
SU635080A1 SU762313953A SU2313953A SU635080A1 SU 635080 A1 SU635080 A1 SU 635080A1 SU 762313953 A SU762313953 A SU 762313953A SU 2313953 A SU2313953 A SU 2313953A SU 635080 A1 SU635080 A1 SU 635080A1
Authority
SU
USSR - Soviet Union
Prior art keywords
product
obtaining granulated
carbamide
fact
aqueous solution
Prior art date
Application number
SU762313953A
Other languages
Russian (ru)
Inventor
Александра Михайловна Абросимова
Александра Ивановна Михайлова
Людмила Ивановна Мужчиль
Прасковья Кузьминична Шинкаренко
Original Assignee
Предприятие П/Я В-2609
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.)
Filing date
Publication date
Application filed by Предприятие П/Я В-2609 filed Critical Предприятие П/Я В-2609
Priority to SU762313953A priority Critical patent/SU635080A1/en
Application granted granted Critical
Publication of SU635080A1 publication Critical patent/SU635080A1/en

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  • Glanulating (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

Ф о р м у ;i а изобретен п  Ф о рм y; i and invented by

Claims (3)

1.Способ получени  гранулированного карбамида путем введени  в плав карбамида сульфата аммони , с последующим гранулированием нродукта, о т л и ч а ющийс  тем, что, с целью увеличепн  прочности грану.: и уменьшенн  слеживаемост  нродукта, гранулы донолнительно обрабатывают водным раствором ноливннилового снирта.1. The method of obtaining granulated urea by introducing ammonium sulfate into the melt of carbamide, followed by granulating the product, is due to the fact that, in order to increase the strength of the granule: and reduced caking of the product, the granules are finally treated with an aqueous solution of neutral acid. 2.Способ по п. 1, отличающийс 2. The method according to claim 1, wherein тем, что вод11Ы11 раствор по.чивиннлового спирта берут в количестве 0,05-0,5%, преимущественно 0,1-0,3% от веса продукта. The fact that water 1111 a solution of pointy alcohol is taken in an amount of 0.05-0.5%, mostly 0.1-0.3% by weight of the product. 3. Способ по н. 1, отличающнйс  тем, что иснользуют водный раствор поливинилового спирта с концентрацией 6-12%.3. The method according to n. 1, characterized in that an aqueous solution of polyvinyl alcohol with a concentration of 6-12% is used. Источннкн информации, прин тые во внимание нри экспертизеSources of information taken into account at the examination 1. Патент ГДР № 86817, кл. 12о 17/03, 1972. 2. Agric. Chem., 1971, m. 26, N 4, p. 14.1. Patent of the GDR No. 86817, cl. 12/17/03, 1972. 2. Agric. Chem., 1971, m. 26, N 4, p. 14.
SU762313953A 1976-01-15 1976-01-15 Method of obtaining granulated carbamide SU635080A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU762313953A SU635080A1 (en) 1976-01-15 1976-01-15 Method of obtaining granulated carbamide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU762313953A SU635080A1 (en) 1976-01-15 1976-01-15 Method of obtaining granulated carbamide

Publications (1)

Publication Number Publication Date
SU635080A1 true SU635080A1 (en) 1978-11-30

Family

ID=20645500

Family Applications (1)

Application Number Title Priority Date Filing Date
SU762313953A SU635080A1 (en) 1976-01-15 1976-01-15 Method of obtaining granulated carbamide

Country Status (1)

Country Link
SU (1) SU635080A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943308A (en) * 1985-10-17 1990-07-24 Hydro Agri Sluiskil B.V. Method of producing fertilizer granules containing urea and ammonium sulphate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4943308A (en) * 1985-10-17 1990-07-24 Hydro Agri Sluiskil B.V. Method of producing fertilizer granules containing urea and ammonium sulphate

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