Synthesis and characterization of an adsorbent material: Application to textile dye elimination
Materials Today: Proceedings(2022)
Abstract
Water is vital for the human existence. It has a fundamental role for the economic development and that of the human civilization due to its usage in various sectors namely industry and agriculture. This vital resource is known for its high fragility. Therefore, we have to find effective tools to protect it from pollution. Colorings are used in many industrial sections such as textile dye, paper, silk, and in many nutritional and beauty industries. Colorings are known to be toxic substances that are persistent in the environment; they need physico-chemical techniques for their degradation. Therefore, this study aims at valorizing the Algerian Clay in order to increase its retention capacities of the coloring Bemacid Yellow (BY) through the modification of the Clay character (sodic). Our materials have been characterized with FTIR, BET, and DRX. The BY absorption study on our bentonite has been verified by the study of certain parameters such as: contact time, pH solution, and the absorbent mass. These experiences showed that the Sodic Clay (SC) has a maximal capacity of adsorption at 160 mg/g. The study of the absorption kinetics showed that BY elimination follows the second order model with an intraparticular diffusion.In conclusion, the Algerian Clay presents very significant absorbent properties and may be used in the depollution of textile industries waste water.
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Key words
Clay,Waste water,Colorings,Environment,Adsorption
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