Determination of utilization strategies for hemihydrate phosphogypsum in cemented paste backfill: Used as cementitious material or aggregate

Due to the prominent advantages of low cost and efficient utilization, cemented hemihydrate phosphogypsum (HPG) backfill is becoming popular in mine goaf treatments in China as a new promising branch of cemented paste backfill (CPB). The HPG gelling activity time dependence determines its role in CP...

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Veröffentlicht in:	Journal of environmental management 2022-04, Vol.308, p.114687-114687, Article 114687
Hauptverfasser:	Jiang, Guanzhao, Wu, Aixiang, Wang, Yiming, Wang, Yong, Li, Jianqiu
Format:	Artikel
Sprache:	eng
Schlagworte:	Calcium Sulfate Cemented paste backfill Cementitious material China Efficient utilization Gelling activity decay Hemihydrate phosphogypsum Phosphorus Temperature
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