Adsorption and photocatalytic performance of bentonite-titanium dioxide composites for methylene blue and rhodamine B decoloration.

Laysandra, Livy and Sari, Meri Winda Masnona Kartika and Soetaredjo, Felycia Edi and Foe, Kuncoro and Putro, Jindrayani Nyoo and Kurniawan, Alfin and Ju, Yi-Hsu and Ismadji, Suryadi (2017) Adsorption and photocatalytic performance of bentonite-titanium dioxide composites for methylene blue and rhodamine B decoloration. Heliyon, 3. pp. 1-22. ISSN 2405-8440

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Official URL: https://www.sciencedirect.com/science/article/pii/...

Abstract

Bentonite − TiO2 composites werepreparedbyimpregnationofTiO2 and bentonite, followed by microwave irradiation processes. The composites were characterized using FTIR, SEM, XRD, and nitrogen sorption methods. Anatase phase of TiO2 in all composites are observed through XRD diffraction peaks and surface morphology of the composites. The adsorption and photocatalytic capabilities of the composites were tested in liquid phase adsorption of methylene blue and Rhodamine B. The adsorption and photocatalytic degradation experiments were conducted in the presence or absence of UV light irradiation. Langmuir and Freundlich models were employed to correlate the experimental adsorption data, and it was found that Langmuir gave better performance in correlating the experimental data. Modification of Langmuir equation to accommodate photocatalytic degradation process was conducted, and the model could represent the experimental results very well.

Item Type: Article
Uncontrolled Keywords: Environmental science, Materials science, Chemical engineering
Subjects: Engineering > Chemical Engineering
Divisions: Journal Publication
Depositing User: F.X. Hadi
Date Deposited: 27 Aug 2018 03:19
Last Modified: 10 Sep 2018 02:47
URI: http://repository.wima.ac.id/id/eprint/16100

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