Technologies du vivant - Life Technologies

Evaluation of activated alginate-GO beads for removal of pharmaceuticals from water : bachelor's thesis : diploma 2016

Jaquet, Yannick ; Fischer, Fabian (Dir.)

Mémoire de bachelor : Haute Ecole d'Ingénierie, 2016.

The aim of this project was to produce calcium alginate beads with graphene oxide incorporated into the structure, in order to enhance the adsorption properties. The effects of initial concentration, adsorbent dose, pH, temperature, contact time were investigated. Adsorption kinetics and isotherms were evaluated with different models such as pseudo-first-order, pseudo-second-order,... Plus

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    Summary
    The aim of this project was to produce calcium alginate beads with graphene oxide incorporated into the structure, in order to enhance the adsorption properties. The effects of initial concentration, adsorbent dose, pH, temperature, contact time were investigated. Adsorption kinetics and isotherms were evaluated with different models such as pseudo-first-order, pseudo-second-order, intraparticle diffusion, Langmuir and Freundlich models. In addition, thermodynamic and desorption studies were performed. Thus, CaOAlg2/GO beads were assessed as potential adsorbent for three micropollutants.