Agriculture Reference
In-Depth Information
1.2
As Transport
Windsor soil
1.0
0.8
As(V)
Column
0.6
0.4
0.2
0.0
0
20
40
60
80
Pore Volumes (V/V
o
)
1.2
P Transport
Windsor soil
1.0
0.8
P
Batch
Column
0.6
0.4
0.2
0.0
0
20
40
60
80
Pore Volumes (V/V
o
)
FIGURE 7.33
Phosphate concentrations versus reaction time with the presence of various concentrations of
arsenate for Olivier and Windsor soils. The initial P concentration was 0.32 mmol L
1
.
Symbols
are for different initial As(V) concentrations of 0, 0.13, and 1.29 mmol L
1
. Solid and dashed
curves are multicomponent, multireaction model simulations.
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