Agriculture Reference
In-Depth Information
600
Windsor Soil
Zn Isotherms
500
400
300
Initial P (mg/L)
P = 0
P = 25
P = 50
P = 100
Freunlich
200
100
0
0
10
20
30
40
50
60
800
Olivier Soil
Zn Isotherms
700
600
500
400
Initial P (mg/L)
300
P = 0
P = 25
P = 50
P = 100
Freunlich
200
100
0
0
20
40
60
80
100
1600
Webster Soil
Zn Isotherms
1400
1200
1000
800
Initial P (mg/L)
600
P = 0
P = 25
P = 50
P = 100
Freunlich
400
200
0
0
2
3
6
8
10
12
Zn Concentration (mg/L)
FIGURE 7.20
Zinc adsorption isotherms on different soils after 24 h sorption in the presence of different P
concentrations. Solid curves are simulations using the Freundlich equilibrium equation.
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