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IJSTR >> Volume 9 - Issue 8, August 2020 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Cationic Dye Removal By Magnesium Aluminum-Biochar Composite From Aqueous Solution

[Full Text]



Arini Fousty Badri, Neza Rahayu Palapa, Risfidian Mohadi, Mardiyanto, Aldes Lesbani



Dye Removal, Adsorption Study, Rodhamine-B, Methylene blue, Layered Double Hydroxide, and Biochar



In this work, MgAl/BC composite has been successfully prepared and applied as efficient adsorbent of cationic dyes such as MB and RhB. The XRD properties of adsorbent shows that the presents the characterization of starting materials. The adsorption of MB and RhB was evaluated and it follows pseudo-second-order kinetic model. The adsorption study suggested Langmuir isotherm was suitable for adsorption of MB and RhB onto MgAl/BC composite with a maximum adsorption capacity up to 91.441 and 69.231 mg/g, respectively. The thermodynamic study indicates that the adsorption process is physisorption, spontaneous, and endothermic process. The regeneration study showed that three cycle adsorption process using MgAl/BC composite still has high efficiency, which confirmed that the material can be reused for further adsorption process.



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