Zhiyong Gao

A coupled leaching-settling process driven by phase control for impurity removal and simultaneous valorization of phosphogypsum

Phosphogypsum (PG), the bulk solid waste of wet-process phosphoric acid production, remains underutilized because phosphorus (P) and fluorine (F) impurities restrict its use in building materials, while black impurities lower its whiteness. Conventional purification requires mult...