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CNCSIS B+ (code 820) since 2007

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Journal Info

Title: Studia Universitatis Vasile Goldis, Seria Stiintele Vietii (Life Sciences Series)
Abbreviated title: Studia Univ. VG, SSV
Publisher: "Vasile Goldis" University Press
Owner: Western University "Vasile Goldis" Arad, Romania
ISSN: 1584-2363
e-ISSN: 1842-7863
ISSN-L: 1584-2363

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Removal Of Basic Textile Dye From Aqueous Solution By Adsorption On Releases Of Algerian Natural Phosphates Print E-mail
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Article Title: Removal Of Basic Textile Dye From Aqueous Solution By Adsorption On Releases Of Algerian Natural Phosphates
Authors: Graba Z., Bouchkout N., Boukherroub R., Bezzi N.
Affiliation: 1Technology Laboratory of Materials and Process Engineering (LTMGP), Faculty of the Exact Sciences, University of Bejaia, 06000, Algeria 2Univ. Lille, CNRS, Centrale Lille, ISEN, Univ. Valenciennes, UMR 8520 - IEMN, F-59000 Lille, France
Abstract: The dyes, present in the rejections of textile industry, represent a true danger to human being and its environment, because of their stability and their low biodegradability. Our work is focused on the use of releases of rock phosphates of Djebel-Onk (Algeria) for elimination of a basic dye, Bezacryl Yellow (BY). The study of the influence of some parameters on the capacity of adsorption of the dye by phosphate revealed that the favorable conditions for obtaining a maximum rate of discoloration are: Concentration of the phosphate suspension R=4g/L; pH of the dye solution=6; stirring velocity ɷ=300 trs/min; temperature of reactional medium T=25°C. The modeling of the experimental values by different kinetic models showed that the kinetics is governed by the second-order model. Starting from the values of the various parameters of the mathematical models calculated, the results obtained revealed a good correlation between the experimental data and the values predicted by the Langmuir model. The value of the calculated ΔH is lower than 50 kJ/mol and positive, suggesting that the adsorption process is endothermic and of physical nature.
Keywords: Phosphate; Environment; Bezacryl Yellow; Adsorption; Kinetics.
*Correspondence: Nacer BEZZI, Tél : +213 774868953, email : This e-mail address is being protected from spambots. You need JavaScript enabled to view it