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Enhanced biosorption and electrochemical performance of sugarcane bagasse derived a polylactic acid-graphene oxide-CeO2 composite

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Title Enhanced biosorption and electrochemical performance of sugarcane
bagasse derived a polylactic acid-graphene oxide-CeO2 composite
 
Creator Mohammad, Faruq
Arfin, Tanvir
Al-lohedan, Hamad A.
 
Subject Chemistry, Chemical Technology
Materials Science
 
Description In view of the methyl orange (MO) dye on everyday applications in the textile, food, leather, paper, printing, and
pharmaceuticals industry, in addition to its toxic behaviour on human health, we have developed a biodegradable
polylactic acid (PLA)-based cerium dioxide (CeO2)-graphene oxide (GO) composite by means of a solgel
technique and tested its efficacy. For the study, the PLA polymer obtained is of renewable agriculture waste
origin (sugarcane bagasse) and was isolated by means of fermentation of the feedstock followed by the polymerization
of lactic acid. The instrumental techniques such as the powdered x-ray diffraction, scanning electron
microscopy etc. were employed for the physical characterization of the material. The various parameters such as
the kinetics, desorption, regeneration, pH, isotherm theories, and ionic strength were tested towards the adsorption
of MO dye onto the surface of GO-PLA-CeO2 composite. The outcome of the study exhibited that the GOPLA-
CeO2 composite revealed promising behaviour for the dye removal, which was allocated to the efficacy of
GO, PLA, and CeO2 properties. Also, the adsorption process of GO-PLA-CeO2 is completely dependent on the
initial concentration of MO and the adsorption equilibrium fitted well with the Langmuir isotherm. In addition,
the electrochemical characterization of the composite was studied by means of CV and impedance measurements.
Based on the outcome of the results, it can be said that the GO-PLA-CeO2 composite may be applied as a
suitable electrode material along with its efficient adsorption properties for the removal of MO dye from wastewater.
 
Publisher Elsevier
 
Date 2019
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/1204/1/1-s2.0-S0254058419301804-main.pdf
Mohammad, Faruq and Arfin, Tanvir and Al-lohedan, Hamad A. (2019) Enhanced biosorption and electrochemical performance of sugarcane bagasse derived a polylactic acid-graphene oxide-CeO2 composite. Materials Chemistry and Physics, 229. pp. 117-123. ISSN 0254-0584
 
Relation http://www.elsevier.com/locate/matchemphys
http://neeri.csircentral.net/1204/