Research Article

Removal of Heavy Metal Ions (Pb2+, Co2+, and Cd2+) by Activated Carbon from Cypress Fruit: An Investigation of Kinetics, Thermodynamics, and Isotherms

Figure 12

The linear isotherms of (a) Langmuir, (b) Freundlich, (c) Temkin, and (d) D-R of Pb2+, Co2+, and Cd2+ removal by ACC.
(a)
(b)
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(d)