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RU2002125282A - METHOD FOR PRODUCING NITROGEN SULPHATE FERTILIZER AND NITROGEN SULPHATE FERTILIZER - Google Patents

METHOD FOR PRODUCING NITROGEN SULPHATE FERTILIZER AND NITROGEN SULPHATE FERTILIZER

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Publication number
RU2002125282A
RU2002125282A RU2002125282/15A RU2002125282A RU2002125282A RU 2002125282 A RU2002125282 A RU 2002125282A RU 2002125282/15 A RU2002125282/15 A RU 2002125282/15A RU 2002125282 A RU2002125282 A RU 2002125282A RU 2002125282 A RU2002125282 A RU 2002125282A
Authority
RU
Russia
Prior art keywords
nitrogen
sulphate fertilizer
sulfate
fertilizer
producing
Prior art date
Application number
RU2002125282/15A
Other languages
Russian (ru)
Other versions
RU2219146C1 (en
Inventor
ков Александр Иванович Серебр
Александр Иванович Серебряков
Леонид Викторович Конвисар
Original Assignee
ков Александр Иванович Серебр
Александр Иванович Серебряков
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 ков Александр Иванович Серебр, Александр Иванович Серебряков filed Critical ков Александр Иванович Серебр
Priority to RU2002125282A priority Critical patent/RU2219146C1/en
Application granted granted Critical
Publication of RU2219146C1 publication Critical patent/RU2219146C1/en
Publication of RU2002125282A publication Critical patent/RU2002125282A/en

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Claims (5)

1. Способ получения азотно-сульфатного гранулированного удобрения, включающий смешение раствора карбамида с сульфатом аммония, концентрирование полученной смеси и гранулирование, отличающийся тем, что при смешении сульфат аммония берут в виде раствора в количестве 14÷50 мас.%, полученную смесь выпаривают, а затем гранулируют методом приллирования в грануляционной башне при температуре 100÷140°С.1. A method of producing nitrogen-sulfate granular fertilizer, comprising mixing a urea solution with ammonium sulfate, concentrating the resulting mixture and granulating, characterized in that when mixing ammonium sulfate is taken in the form of a solution in an amount of 14 ÷ 50 wt.%, The resulting mixture is evaporated, and then granulated by prilling in a granulation tower at a temperature of 100 ÷ 140 ° C. 2. Способ получения азотно-сульфатного удобрения по п.1, отличающийся тем, что при смешении используют раствор сульфата аммония концентрацией 50÷80 мас.%.2. The method of producing nitrogen-sulfate fertilizer according to claim 1, characterized in that when mixing using a solution of ammonium sulfate concentration of 50 ÷ 80 wt.%. 3. Способ получения азотно-сульфатного удобрения по п.1 или 2, отличающийся тем, что при смешении используют раствор карбамида концентрацией 70÷90 мас.%.3. The method of producing nitrogen-sulfate fertilizer according to claim 1 or 2, characterized in that when mixing use a solution of urea concentration of 70 ÷ 90 wt.%. 4. Азотно-сульфатное удобрение, приготовленное согласно способу по любому из пп.1-3.4. Nitrogen-sulfate fertilizer prepared according to the method according to any one of claims 1 to 3. 5. Азотно-сульфатное удобрение по п.4, отличающееся тем, что содержит, мас.%: N - 33,5÷42,4; S - 12,0÷3,36.5. Nitrogen-sulfate fertilizer according to claim 4, characterized in that it contains, wt.%: N - 33.5 ÷ 42.4; S - 12.0 ÷ 3.36.
RU2002125282A 2002-09-23 2002-09-23 Method for preparing nitrogen-sulfate fertilizer and nitrogen-sulfate fertilizer RU2219146C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002125282A RU2219146C1 (en) 2002-09-23 2002-09-23 Method for preparing nitrogen-sulfate fertilizer and nitrogen-sulfate fertilizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2002125282A RU2219146C1 (en) 2002-09-23 2002-09-23 Method for preparing nitrogen-sulfate fertilizer and nitrogen-sulfate fertilizer

Publications (2)

Publication Number Publication Date
RU2219146C1 RU2219146C1 (en) 2003-12-20
RU2002125282A true RU2002125282A (en) 2004-03-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002125282A RU2219146C1 (en) 2002-09-23 2002-09-23 Method for preparing nitrogen-sulfate fertilizer and nitrogen-sulfate fertilizer

Country Status (1)

Country Link
RU (1) RU2219146C1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004005907B4 (en) * 2004-02-05 2006-01-05 Uhde Gmbh Plant for the production of biuretarmem urea-containing fertilizer granules
EP3542899A1 (en) 2018-03-20 2019-09-25 Yara International ASA Method and reactor for producing urea ammonium sulphate

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO133872C (en) * 1974-07-26 1976-07-14 Norsk Hydro As
NL184769C (en) * 1981-07-03 1989-11-01 Azote Sa Cie Neerlandaise METHOD FOR MANUFACTURING UREUM granules
NL8502838A (en) * 1985-10-17 1987-05-18 Azote Sa Cie Neerlandaise METHOD FOR MANUFACTURING UREA AND AMMONIUM SULFATE CONTAINING FERTILIZER GRAINS.
US5330552A (en) * 1993-07-08 1994-07-19 Rizzo John M Method for increasing crop yield
US6717989B1 (en) * 1999-11-03 2004-04-06 Ati International Srl Video decoding apparatus and method for a shared display memory system

Also Published As

Publication number Publication date
RU2219146C1 (en) 2003-12-20

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20060924