Modeling and optimization of pollutants removal during simultaneous adsorption onto activated carbon with advanced oxidation in aqueous environment

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Abstract

The paper presents the results of studies on the modeling and optimization of organic pollutant removal from an aqueous solution in the course of simultaneous adsorption onto activated carbonswith varied physical characteristics and oxidation usingH2O2. Themethodology for determining the models used for predicting the sorption and catalytic parameters in the process was presented. The analysis of the influence of the sorption and catalytic parameters of activated carbons as well as the oxidizer dose on the removal dynamics of organic dyes-phenol red and crystal violet-was carried out based on the designated empirical models. The obtained results confirm the influence of specific surface area (S) of the activated carbon and oxidizer dose on the values of the reaction rate constants related to the removal of pollutants from the solution in a simultaneous process. It was observed that the lower the specific surface area of carbon (S), the greater the influence of the oxidizer on the removal of pollutants from the solution. The proposed model, used for optimization of parameters in a simultaneous process, enables to analyze the effect of selected sorbents as well as the type and dose of the applied oxidizer on the pollutant removal efficiency. The practical application of models will enable to optimize the selection of a sorbent and oxidizer used simultaneously for a given group of pollutants and thus reduce the process costs.

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APA

Dabek, L., Anna, P. O., Szelag, B., Szulzyk-Cieplak, J., & Lagód, G. (2020). Modeling and optimization of pollutants removal during simultaneous adsorption onto activated carbon with advanced oxidation in aqueous environment. Materials, 13(19). https://doi.org/10.3390/MA13194220

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