FIELD: chemistry.
SUBSTANCE: method for producing the solid composition of urea and a nitrogen stabiliser comprises: a) forming the molten urea; b) adding a nitrogen stabiliser composition to said urea melt, said composition comprising NBPT with the purity of at least 95 wt %; and c) cooling the molten composition of urea and a nitrogen stabiliser to form the solid composition of urea and a nitrogen stabiliser.
EFFECT: invention allows to provide efficient fertiliser granules.
9 cl, 10 dwg, 3 tbl, 85 ex
Title | Year | Author | Number |
---|---|---|---|
UREA AND NITROGEN STABILIZER COMPOSITIONS AND METHODS AND SYSTEMS OF MAKING AND USING THEREOF | 2017 |
|
RU2652385C1 |
GRANULAR FERTILIZER BASED ON UREA WITH NITROGEN STABILIZER ADDITIVES | 2016 |
|
RU2675935C1 |
RECOVERY AND REUSE OF COMPONENTS FROM STREAMS OF WASTES FORMED DURING FINAL TREATMENT OF UREA | 2017 |
|
RU2725814C1 |
NITRIFICATION INHIBITORS, DEVELOPED FOR FERTILIZERS BASED ON UREA AND ANIMAL WASTES | 2014 |
|
RU2665619C1 |
IMPROVED COMPOSITION BASED ON UREA-AMMONIUM SULPHATE AND METHOD FOR ITS MANUFACTURING | 2019 |
|
RU2797320C2 |
COMPOSITION INCLUDING UREASE INHIBITOR | 2017 |
|
RU2777668C2 |
EMULSION FOR TREATMENT OF UREA-CONTAINING FERTILIZERS | 2019 |
|
RU2800597C2 |
MIXTURE FOR PROCESSING UREA-CONTAINING FERTILISERS | 2008 |
|
RU2505510C2 |
METHOD OF OBTAINING FERTILIZER COMPOSITION BASED ON UREA CONTAINING UREASE INHIBITOR TRIAMIDE (THIO)PHOSPHORIC ACID BY PROVIDING LIQUID OR SOLID PREMIX WITH CERTAIN MASS RATIO | 2019 |
|
RU2811428C2 |
USE OF ALKOXYPYRAZOLES AS NITRIFICATION | 2019 |
|
RU2794262C2 |
Authors
Dates
2017-05-02—Published
2014-08-25—Filed