NITROGEN-POTASSIUM FERTILIZER PRODUCTION METHOD

FIELD: mineral fertilizers. SUBSTANCE: method of production of ammonium nitrate- and potassium chloridebased fertilizer comprises mixing concentrated ammonium nitrate solution with sodium chloride in presence of magnesium salt additive in amount 0.1- 0.7% (on conversion to Mg) on the weight of final...

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Bibliographische Detailangaben
Hauptverfasser:	DJUKOV A.V, KISELEVICH P.V, LOGINOV N.D, SINICHENKOV V.F, SHUSTOV V.V, DEDOV A.S, AFANASENKO E.V, ZORIN A.F, KOPYLOVA E.V, SEZEMIN V.A, ZAKHAROVA O.M, MOLODTSOV G.A, JUZHANIN G.A, DREMOV A.V, VANDYSHEV S.A, MACHEKHIN G.N, ABRAMOV O.B
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM FERTILISERS PRODUCING CARBON DIOXIDE INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS NITROGENOUS FERTILISERS
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Beschreibung
Zusammenfassung:	FIELD: mineral fertilizers. SUBSTANCE: method of production of ammonium nitrate- and potassium chloridebased fertilizer comprises mixing concentrated ammonium nitrate solution with sodium chloride in presence of magnesium salt additive in amount 0.1- 0.7% (on conversion to Mg) on the weight of final product, followed by granulation and drying of product, said magnesium salt being magnesium nitrate. Mixing of components is conducted for at least 2 min at 80-120 C, while pH of 10% extract of the mixture is maintained within a range of 3.5-7 and content of water between 7 and 15%. In addition, magnesium nitrate is added in the form of 4-6% solution (on conversion to Mg). Magnesium nitrate solution is added directly on mixing of starting components or preliminarily added into concentrated ammonium nitrate solution. EFFECT: fourfold reduced blocking property of fertilizer. 4 cl, 2 ex