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Adsorptive removal of dyes from textile wastewater using nanoparticles nanopyroxene

السنة الأكاديمية: 
2017
الطلاب: 
Aya Assaf
Yasmeen Sabbah
Saja Ahmed
Huda Amer

Textile wastewater consumes large quantities of water and produces large volumes of wastewater which is often rich in color, containing residues of reactive dyes and chemicals as well as much more hard-degradation materials. The presence of dyes in wastewater poses an environmental concern due to the existence of toxic components that may impact to aquatic and non-aquatic life. In this work, a new environmentally sound and low-cost, yet highly efficient nanopyroxene, (NaFeSi2O6) which is known as aegirine, will be used as an adsorbent for the removal of a model molecule dye from aqueous solutions and real textile wastewater by the batch-adsorption technique. 

The adsorption experiments will be carried out at different conditions of contact time, initial model dye concentration, temperature, co-existing ions, and solution pH. The adsorption equilibrium data will be fitted using Langmuir, Freundlich and Sips adsorption isotherm models. The data obtained from adsorption isotherms at different temperatures will be used to calculate thermodynamic quantities of adsorption, such as standard Gibbs free energy change, enthalpy change, and entropy change. The results will give insight into the efficiency of employing nanopyroxene adsorbent for the removal of dyes from wastewater.

 

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