Page 281 - Advances In Productive, Safe, and Responsible Coal Mining
P. 281
Sustainable coal waste disposal practices 257
0.212 0.378 0.260
Ni
[2]
water Al 0.025 <0.001 <0.001
pore
column Mn 0.054 1.952 1.182
in
parameters Fe 0.787 0.516 1.555
drainage Acidity 1.07 1.69 3.02
mine F 2 4.92 4.59 4.41
selected 849.5 356.4 515.6
of Cl 2 CCE). (mg/L
concentration a SO 4 2 2844 3022 1995 acidity and value)
Average pH 7.65 7.66 7.76 (median pH except
13.5 type mg/L
Table Refuse 1 DP 2 DP 3 DP a Data in
