STUDY OF THE EFFECT OF LIMESTONE PURIFICATION, DEFLUORINATION, AND DESULFATIZATION DURING THE EXTRACTION PROCESS OF PHOSPHORIC ACID BASED ON CENTRAL KYZYLKUM PHOSPHORITES

This scientific investigation presents the experimental findings on the neutralization process of purified extraction phosphoric acid (EPA), obtained after fluoride and sulfate removal using calcium carbonate, as well as concentrated acid derived from evaporation. The research focuses on producing high-quality defluorinated phosphorus-based simple fertilizers containing calcium and magnesium phosphates through the neutralization of phosphoric acid with calcium carbonate.

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