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012025-12

Phosphogypsum Utilization in Road Construction Becomes an Effective Path for Large-Scale Resource Recycling

Phosphogypsum is a solid by-product discharged during the wet-process phosphoric acid production, with calcium sulfate dihydrate (CaSO₄·2H₂O) as its main component. Due to the presence of soluble phosphorus and various harmful impurities, raw phosphogypsum cannot be directly utilized.
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