Agriculture Reference
In-Depth Information
200
Cecil Soil
Column I
Sulfate
150
Mg
100
50
Cu
0
0
10
20
30
40
50
60
Pore Volume
FIGURE 7.40
Breakthrough curves for Cecil soil (column I) with sulfate as the counterion.
from undisturbed soils near the minespoil are reported here. The minespoil
is characterized by high Cu contents and low pH.
Figures 7.40 and 7.41 show the effect of total concentration or ionic strength
of the input pulse solution on Cu breakthrough results. When Cu was intro-
duced in Mg background solution with minimum change in ionic strength,
200
Cecil Soil
Column II
Sulfate
150
Mg
100
50
Cu
0
0
10
20
30
40
50
60
Pore Volume
FIGURE 7.41
Breakthrough curves for Cecil soil (column II) with sulfate as the counterion.
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