Effect of coal ash on the reduction and roasting processes of phosphogypsum

Phosphogypsum (PG) is a solid waste generated in the phosphate fertilizer industry and decomposing PG to recover calcium and sulfur is an appropriate way to reuse PG. The present work aims to enrich the basic theory of coal decomposition PG process, focusing on the effect of coal ash on the reductio...

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Veröffentlicht in:	Journal of thermal analysis and calorimetry 2023-05, Vol.148 (9), p.3671-3688
Hauptverfasser:	Ma, Dong, Wang, Qinhui
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Analytical Chemistry By products Calcium oxide Calcium sulfides Chemistry Chemistry and Materials Science Coal Decomposition Fertilizer industry Fly ash Gypsum Inorganic Chemistry Lime Measurement Science and Instrumentation Melt temperature Oxidation Phosphate industry Phosphates Phosphogypsum Physical Chemistry Polymer Sciences Reduction Roasting Silicon dioxide Solid wastes Sulfur compounds
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