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      Optimization of Preparation Conditions of Novel Adsorbent from Sugar Scum Using Response Surface Methodology for Removal of Methylene Blue

      1 , 1 , 1 , 1 , 2

      Journal of Chemistry

      Hindawi Limited

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          Abstract

          A novel and inexpensive adsorbent was prepared from sugar scum for the removal of methylene blue as an organic pollutant from aqueous solutions. The response surface methodology was used to study the effects of the calcination temperature and time on the yield and the methylene blue adsorption. In order to determine the optimal conditions of the preparation, the Doehlert design and desirability function were applied. The increase in calcination temperature increases the methylene blue adsorption and induces a reduction in yield. The optimal conditions have been identified to be a calcination temperature of 986°C and calcination time of 61 min. The characteristics of the obtained adsorbent were determined using SEM/EDX, and surface functions were obtained based on FTIR and pH pzc. The produced adsorbent had a porous structure and a pHpzc of 12.5. The results showed that the yield was 49.74% and the adsorption of methylene blue was 24.52 mg·g −1 with a contact time of 10 h determined by kinetic test. The sugar scum was found to be an effective material for the preparation of appropriate adsorbent for dye removal from wastewater.

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          Most cited references 31

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          Characteristics and adsorption capacities of low-cost sorbents for wastewater treatment: A review

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            Oxidation of direct dyes with hydrogen peroxide using ferrous ion as catalyst

             P.K Malik,  S.K. Saha (2003)
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              Removal of dyes using agricultural waste as low-cost adsorbents: a review

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                Author and article information

                Journal
                Journal of Chemistry
                Journal of Chemistry
                Hindawi Limited
                2090-9063
                2090-9071
                April 24 2018
                April 24 2018
                : 2018
                : 1-10
                Affiliations
                [1 ]Laboratoire de Recherche sur la Réactivité des Matériaux et l’Optimisation des Procédés «REMATOP», Department of Chemistry, Faculty of Science Semlalia, Cadi Ayyad University, B.P. 2390, Marrakech 40000, Morocco
                [2 ]Centre de recherche REMINEX, Marrakech, Morocco
                Article
                10.1155/2018/2093654
                © 2018

                http://creativecommons.org/licenses/by/4.0/

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