Phenol adsorption onto olive pomace activated carbon: modelling and optimization

Purpose. To depollute water contaminated by phenol using the adsorption process in a batch reactor with valorization of olive pomace for preparation activated carbon to be used as an adsorbent. Methodology. In this present work, study on influence four principal parameters yield during treatment polluted were studied, namely: mass, contact time, initial concentration and stirring speed. addition, was optimized full factorial designs response surface methodology MINITAB software. Findings. The removal made from makes it possible achieve efficiency 91 % use following optimal conditions: adsorbent mass 0.48 g, time 110.80 min, 100.98 mg/L, speed 462.89 rpm. Contact showed positive effect efficiency. results illustrate that all examined factors significantly affected confidence level 95 %. Originality. experimental data adjustment second-degree polynomial model. This model is validated statistical method analysis variance (­ANOVA). Numerical optimization performed desirability function identify maximum recovery. Practical value. order highlight treating waters phenol, we have chosen processes are considered best suited, which recovery waste such adsorbent, prepared physical chemical activation pomace. design applied show each parameter independently their dependencies, well find conditions quickly lead realization process.