Phosphogypsum Backfill

Near-zero leaching

A phosphogypsum-based solidified body for mine backfilling that immobilizes phosphorus and fluoride to near-zero release through optimized mix design, addressing environmental risks in PG recycling.

Panke, Zhang · Sun, Wei · Zhang, Shengyou · Yao, Wen · Fanyu, Ding · Wang, Yunfan

Waste Management 2026

Specifications

curing sand-cement ratio

{'zh': '1.27', 'en': '8,'} mass

Immobilization efficiency

{'zh': '99.9', 'en': '>99.9'} %

氟离子固定效率

{'zh': '96.5', 'en': ''} %