Etude De La Valorisation Des Déchets Agricoles Par L’a Sorption Des Colorants
Résumé: Synthetic organic dyes are compounds used in many industrial sectors such as the chemical sector, stationery, and textile sector, where all ranges of shades and chemical families are represented. A treatment technique suitable for discharges from the textile industry must above all achieve equivalent performance when treating a mixed effluent. Within the framework of this thesis, we are interested in the process of adsorption of textile dyes. The treatment consists of treatment with bio sorbents (EF and FPD), for that we have studied the evaluation of the effect of certain operating parameters on the amount of adsorption (contact time, biosorbent dose, initial dye concentration, and solution pH). The adsorption isotherms of the adsorbent/adsorbate systems studied are satisfactorily described by Langmuir's mathematical model. The results obtained show that the RTL treatment gives a good result, the adsorption amount is 697.53 mg / g for FPD and 46,23 mg / g for EF.
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