Technology of Sintering Phosphorite with KOH

— The paper shows a new technological approach to the processing of phosphorus-containing raw materials using Syrian phosphorite as an example. Thermodynamic calculations of possible processes of interaction of apatites with KOH and quartz are made, assumptions about the interaction are experimental...

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Bibliographic Details
Published in:Theoretical foundations of chemical engineering 2023-06, Vol.57 (3), p.316-320
Main Author: Skachkov, V. M.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Industrial Chemistry/Chemical Engineering
Leaching
Phosphoric acid
Phosphorite
Phosphorus
Raw materials
Sintering
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Summary:— The paper shows a new technological approach to the processing of phosphorus-containing raw materials using Syrian phosphorite as an example. Thermodynamic calculations of possible processes of interaction of apatites with KOH and quartz are made, assumptions about the interaction are experimentally verified, and the resulting substances are determined by X-ray phase analysis. The results obtained allow us to recommend the method of sintering followed by leaching with water as a promising technology for the production of fertilizers from phosphorus-containing raw materials, bypassing the stage of production of extractive phosphoric acid.
ISSN:0040-5795
1608-3431
DOI:10.1134/S0040579523030181