METHOD FOR PRODUCING UREA-(NH4)3 PO4 COMPOUND FERTILIZER

Raw phosphoric acid dihydrate produced by wet method from/medium or low grade phosphours rock, containing about 20% P2O5, 4-5% impurities of Fe2O3, Al2O3, MgO, such inferior phosphoric acid can be neutralized with aminonia, and urea is then add to make the weight ratio of phosphoric acid to urea 100...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAN GUANGXUN, TONG YUNQING, SU YUGUANG
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM 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 PHOSPHATIC FERTILISERS
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