Optimization of preparation conditions for activated carbon from waste materials of agricultural origin for the removal of BASIC RED 46 (cas 12221-69-1)

Add time:08/02/2019    Source:sciencedirect.com

This work deals with the optimization of the physical parameters for the preparation of activated carbon from agricultural residues (wild olive stone, Algeria). The activated carbon has high adsorption ability for the dyes and is chemically activated in orthophosphoric acid. The optimization is undertaken according to the full factorial experiment. The retained factors are the activating agent concentration, the activation time, the temperature and the pyrolysis duration. For each elaborated activated carbon, the experiments of basic red 46 adsorption are performed in batch mode in an agitated reactor; a regression model has been established. The main interaction effects of the model parameters are studied. To simulate the optimal conditions, the iso-response curves are plotted. The simplex method is applied to determine the effective optimal conditions of the activated carbon preparation.

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