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Behavior of Trace Elements in the Gaseous Phase during Combustion of Coal and Coal Waste
Table 1 - Concentrations of elements in gas condensates, collected by tentative combustion
N | Coal 1, ppm | Coal 2, ppm | Coal 3, ppm |
Ca | 53 | 61 | 67 |
Na | 11 | 11 | 17 |
Mg | 8.1 | 11 | 12 |
K | 4.8 | 5.4 | 15 |
Zn | 0.58 | 0.63 | 0.17 |
As | 0.13 | 0.096 | 0.4 |
Fe | 0.18 | 0.23 | 0.11 |
Sr | 0.12 | 0.17 | 0.23 |
Mn | 0.07 | 0.09 | 0.07 |
Cu | 0.01 | 0.16 | 0.06 |
Pb | 0.019 | 0.012 | 0.009 |
Ti | - | 0.01 | - |
Ni | 0.002 | 0.006 | 0.011 |
Cr | 0.005 | 0.007 | 0.003 |
Rb | 0.003 | 0.004 | 0.006 |
V | 0.001 | 0.005 | - |
Cd | 0.002 | 0.002 | 0.003 |
Sb | 0.001 | 0.001 | 0.004 |
Ga | 0.0004 | 0.0006 | - |