Page 278 - Advances In Productive, Safe, and Responsible Coal Mining
P. 278

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                                          140.6
                                               44.00
                                       1.22
                                                  0.01
                                             0.66
                                                     5.14
                                               23.1
                                                     7.10
                                             0.62
                                          78.8
                                       0.89
                                                  0.66
                                               204.6
                                                     12.43
                                          1258
                                       0.76
                                             0.23
                                                  0.08
                                                     100.2
                                               1008
                                          4909
                                                  1.5
                                             2.7
                                       9.0
                                                  203.7
                                       236.6
                                             266.2
                                                     35.9
                                               18.2
                                          0.0
                                          10,445
                                                  3698
                                                     2549
                                               5253
                                       3865
                                             2968
                                                         CCE).
                                             197.2
                                                  126.2
                                       198.0
                                          10.8
                                               12.7
                                                     11.4
                               mine  [2] leachate  column  in parameters drainage  Al  Mn  Fe  Acidity Alkalinity  TDS  Cl  Advances in Productive, Safe, and Responsible Coal Mining
                                                         (mg/L
                               selected  SO 4  3437  5449  2490  4502  3093  3456  acidity  and
                               of  ORP  0.132  0.769  0.077  0.621  0.133  0.454  alkalinity  and
                               concentration a  pH  8.02  2.50  8.32  3.56  7.83  5.82  (volts),  ORP  value),
                               Average  Interval   7months  >7months   7months  >7months   7months  >7months  (median  pH  except
                               13.4  type                mg/L
                               Table  Refuse  1  DP  2  DP  3  DP  a Data  in
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