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Application filed by Украинская Инженерно-Педагогическая АкадемияfiledCriticalУкраинская Инженерно-Педагогическая Академия
Priority to UAU201107678UpriorityCriticalpatent/UA66242U/en
Publication of UA66242UpublicationCriticalpatent/UA66242U/en
A process for preparation of simple superphosphate by decomposition of phosphorus raw material with sulphur acid, ageing the produced superphosphate slurry and neutralization of free acidity with neutralizing calcium-containing additive. As neutralizing additive lime slurry is used, which is a waste of producing caustic soda by lime method.
UAU201107678U2011-06-202011-06-20Process for preparation of simple superphosphate
UA66242U
(en)
METHOD FOR CLEANING TECHNICAL phosphoric acid (e.g., acids MGA) adding ash from the incinerator, comprising obtaining PURE PHOSPHORIC ACID, calcium sulfate, calcium hydrogenphosphate WATER-SOLUBLE AND SOLUTION OF METAL SALTS