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Application filed by Леонид Леонидович Товажнянский, Владимир Ильич Тошинский, Сергей Владимирович ДудкаfiledCriticalЛеонид Леонидович Товажнянский
Priority to UAU201203589UpriorityCriticalpatent/UA73534U/en
Publication of UA73534UpublicationCriticalpatent/UA73534U/en
A process for the preparation of composite mineral fertilizer is carried out by decomposition of phosphate raw material with sulphuric and phosphorus acids at ratio of PO/SO=2.9-3.3, PO/CaO=4.4-4.8 with preparation of acid decomposition slurry, further neutralization of slurry with ammonia to pH is not less than 3.8, granulation and drying. The slurry before granulation is preliminary evaporated to the humidity content of 43 % and sprayed to the drop size of 0.1-0.15 mm.
UAU201203589U2012-03-262012-03-26Process for the preparation of composite mineral fertilizer
UA73534U
(en)
Phosphorus-potassium-nitrogen-containing npk-fertilizer and method for the preparation of granulated phosphorus-potassium-nitrogen-containing npk-fertilizer