BIOSORPTION OF Pb2+, Cd2+, & Ni2+ FROM WATERS BY ...
BIOSORPTION OF Pb2+, Cd2+, & Ni2+ FROM WATERS BY ...
BIOSORPTION OF Pb2+, Cd2+, & Ni2+ FROM WATERS BY ...
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qe (x10-3 qe (x10 mol/g)<br />
-3mol/g) qe (x10-3 qe (x10 mol/L)<br />
-3mol/L) qe (x10-3 qe (x10 mol/L)<br />
-3mol/L) 1.50<br />
1.25<br />
1.00<br />
0.75<br />
0.50<br />
0.25<br />
0.00<br />
1.20<br />
1.00<br />
0.80<br />
0.60<br />
0.40<br />
0.20<br />
0.00 0.40 0.80 1.20 1.60<br />
ce (x10-3 ce (x10 mol/L) -3mol/L) Experimental<br />
Langmuir<br />
Freundlich<br />
Dubinin-Radushkevich<br />
Experimental<br />
Langmuir<br />
Freundlich<br />
0.00<br />
Dubinin-Radushkevich<br />
0.00 0.50 1.00 1.50 2.00 2.50 3.00<br />
1.20<br />
1.00<br />
0.80<br />
0.60<br />
0.40<br />
0.20<br />
0.00<br />
ce (x10-3 ce (x10 mol/L) -3mol/L) 0.00 2.00 4.00 6.00 8.00<br />
ce (x10-3 ce (x10 mol/L) -3mol/L) Experimental<br />
Langmuir<br />
Freundlich<br />
Dubinin-Radushkevich<br />
Figure 3.41. Isotherms of (a) Pb 2+ , (b) Cd 2+ , and (c) Ni 2+ ions biosorbed by<br />
Porphyridium cruentum (◊:Experimental, □:Langmuir, ∆:Freundlich,<br />
○:Dubinin-Radushkevich).<br />
(a)<br />
(b)<br />
(c)<br />
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