Cost-Effective Treatment of Hemihydrate Phosphogypsum and Phosphorous Slag as Cemented Paste Backfill Material for Underground Mine

<div>Effects of quicklime content on the bubbles and UCS of CPB. (a) HPG/PS ratio of 4 and mass fraction of 66%; (b) HPG/PS ratio of 6 and mass fraction of 66%.</div>

Advances in Materials Science and Engineering

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Figure 4

Figure 4: Cost-Effective Treatment of Hemihydrate Phosphogypsum and Phosphorous Slag as Cemented Paste Backfill Material for Underground Mine 