柠檬酸浸法预处理对磷石膏充填体性能的影响
黄照东,张德明,刘一锴,张钦礼,王浩

Effect of Citric Acid Immersing Pre-treated on the Performance of the Phosphogypsum Cemented Paste Backfill
Zhaodong HUANG,Deming ZHANG,Yikai LIU,Qinli ZHANG,Hao WANG
表1 未处理磷石膏化学成分测定结果
Table 1 Determination results of chemical composition of untreated phosphogypsum(%)
化学成分测定值化学成分测定值
Na2O0.069TiO20.112
MgO0.056Fe2O30.591
Al2O30.657CuO0.015
SiO25.937ZnO0.003
P2O50.883SrO0.079
SO352.55ZrO20.006
K2O0.377BaO0.143