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Bulletin of Chemical Reaction Engineering & Catalysis
Published by Universitas Diponegoro
ISSN : -     EISSN : 19782993     DOI : -
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry
Bulletin of Chemical Reaction Engineering & Catalysis (e-ISSN: 1978-2993), an international journal, provides a forum for publishing the novel technologies related to the catalyst, catalysis, chemical reactor, kinetics studies, and chemical reaction engineering.
Arjuna Subject : -
Articles 1 Documents
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Search results for , issue " 2018: Article In Press 2018" : 1 Documents clear
Synthesis and Characterization of Nano-Sized Manganese Ferrites for the Adsorption of Congo red from Aqueous solution using Batch studies Erdawati, Erdawati; Faried, Miftah; Shameli, Kamyar
Bulletin of Chemical Reaction Engineering & Catalysis 2018: Article In Press 2018
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.0.0.2525.xxx-xxx

Abstract

A sol-gel method using citric acid has been used to fabricate nano-sized manganese ferrites (MnFe2O4) under different calcination temperatures. The microstructure and surface morphology of manganese ferrite powders were characterized by BET, FTIR, XRD, SEM-EDX, and TEM. The nano-sized manganese ferrite was examined for adsorption of congo red (CR). As the results, the BET showed the decreasing surface area of manganese ferrites to 4.47 m2/g for calcination temperatures of 800 °C. The XRD pattern also indicated the alteration of amorphous phase to the crystalline structure as the calcination temperature increased. In addition, the EDX analysis of manganese ferrite at 600 °C showed the element distribution of manganese, iron, and oxygen. Beside that, the TEM images of nano-sized manganese ferrites showed a concentrated atomic mass in the exposed region in the bulk structure. Finally, the adsorption experiment showed that the adsorption of CR followed the pseudo-second order, and adsorption equilibrium was best described by the Langmuir model. Therefore, this nano-sized manganese ferrite can be a promising adsorbent for dye and textile industry.Received: 12nd April 2018; Revised: 4h July 2018; Accepted: 13rd July 2018

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