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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75<br />
Algae Metal ion Ka<br />
Dunaliella<br />
salina<br />
Oocystis sp.<br />
Porphyridium<br />
cruentum<br />
Scenedesmus<br />
protuberans<br />
Pb 2+<br />
Cd 2+<br />
Ni 2+<br />
Pb 2+<br />
Cd 2+<br />
Ni 2+<br />
Pb 2+<br />
Cd 2+<br />
Ni 2+<br />
Pb 2+<br />
Cd 2+<br />
Ni 2+<br />
Table 3.9. Isotherm constants for Pb 2+ , Cd 2+ , and Ni 2+ sorption by algae.<br />
Langmuir Freundlich Dubinin-Radushkevich<br />
Cm<br />
(mol/g)<br />
R2 n Kf R2<br />
Cm<br />
(mol/g)<br />
E<br />
(kJ/mol)<br />
0.0757 0.0034 0.7136 0.6746 0.8915 0.5305 0.0383 9.1 0.5808<br />
0.0841 0.0025 0.8548 0.4519 0.0423 0.8720 0.0055 11.2 0.8788<br />
0.0967 0.0013 0.9982 0.3916 0.0140 0.8628 0.0038 11.2 0.9297<br />
0.1215 0.0022 0.8148 0.3282 0.0115 0.7352 0.0025 12.9 0.7896<br />
0.0486 0.0007 0.9958 0.4327 0.0105 0.8989 0.0020 11.2 0.9386<br />
0.6659 0.0006 0.9365 0.2450 0.0027 0.9227 0.0011 15.8 0.9151<br />
2.6667 0.0005 0.9839 0.3239 0.0086 0.9732 0.0016 15.8 0.9960<br />
0.0875 0.0006 0.9904 0.5581 0.0232 0.9745 0.0026 9.1 0.9851<br />
0.0731 0.0008 0.9836 0.3967 0.0077 0.8965 0.0019 11.2 0.9387<br />
0.0762 0.0060 0.7177 0.2890 0.0092 0.6710 0.0016 15.8 0.9960<br />
0.0912 0.0006 0.9900 0.4500 0.0133 0.9554 0.0021 11.2 0.9558<br />
0.8107 0.0006 0.9562 0.2042 0.0020 0.8103 0.0009 15.8 0.8614<br />
R2