BIOSORPTION OF Pb2+, Cd2+, & Ni2+ FROM WATERS BY ...

lnq e
lnq e
lnq e
0.00
-2.00
-4.00
-6.00
-8.00
-10.00
-12.00
-2.00
-4.00
-6.00
-8.00
-10.00
0.00 2.00E+08 4.00E+08 6.00E+08 8.00E+08 1.00E+09 1.20E+09
ε2 ε2 ε2 ε2 y = -6E-09x - 3.2628
R2 y = -6E-09x - 3.2628
R = 0.5808
2 = 0.5808
0.00
0.00E+00 2.00E+08 4.00E+08 6.00E+08 8.00E+08 1.00E+09
-2.00
-4.00
-6.00
-8.00
-10.00
ε2 ε2 y = -4E-09x - 5.1943
R2 y = -4E-09x - 5.1943
R = 0.8788
2 = 0.8788
0.00
0.00E+00 2.00E+08 4.00E+08 6.00E+08 8.00E+08
y = -4E-09x - 5.6822
R2 y = -4E-09x - 5.6822
R = 0.9297
2 = 0.9297
Figure 3.35. Dubinin-Radushkevich isotherm plot for (a) Pb 2+ , (b) Cd 2+ , and (c) Ni 2+
ions biosorbed by Dunaliella salina
(a)
(b)
(c)
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