Abstract
The adsorption of o-chlorophenol (o-CP) on date carbon was investigated to assess its possible use as an adsorbent for the processing of phenolic waste water. The influences of initial concentration, the temperature, and speed agitation on the adsorption capacity have been studied. The percentage removal of 2-CP was observed to increase with increase an initial concentration of o-CP. The adsorption of o-CP decreases with an increase in temperature indicated the exothermic nature of the reaction. The Langmuir and Freundlich equation interprets adsorption isothermal data. Process parameters, including the rate of agitation, initial concentration and temperature, were examined, and the obtained data were modeled using four kinetic models, including a pseudo-first order, pseudo-second order, the pore diffusion model, and the Elovich equation to understand the reaction mechanism. Thermodynamic parameters, such as enthalpy, entropy, and Gibb’s free energy changes, were also calculated.
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