Production of Chemically and Microwave Activated Hazelnut Husk As An Adsorbent for Dye Contaminated Wastewaters
Year 2022,
Volume: 6 Issue: 1, 46 - 60, 08.06.2022
Nilüfer Ülgüdür
,
Pınar Sevim Elibol
,
Emine Malkoç
Abstract
Adsorption has traditionally been evaluated as an economical and easily applicable process for treating certain wastewaters, such as ones including dyes and heavy metals. Even though adsorbent materials specifically produced for the purpose of wastewater treatment commercially exist, the production cost may create an economic burden on wastewater treatment processes. Agricultural wastes can be valorized as adsorbents in adsorption processes. The adsorption capacity of these wastes can be improved via pre-treatment methods such as chemical application and microwave irradiation. This study investigated the potential applicability of hazelnut husk as an adsorbent for methylene blue (MB) dye. To this purpose, the husk was activated by sequential chemical or water and microwave applications. Structural analysis on the produced adsorbent was performed by Fourier transform infrared spectrophotometry (FTIR) and field emission scanning electron microscopy (FE-SEM). Isotherm (Langmuir, Freundlich, Temkin and Harkins-Jura isotherms) and kinetic (pseudo-first-order, pseudo-second-order, Elovich and intraparticle diffusion kinetic models) behaviours of adsorption were also evaluated. The results indicated that MB could be removed by 92-94% considering all adsorbents produced. Further isotherm and kinetic studies revealed that MB adsorption was both physically and chemically induced, and the reaction followed the pseudo-second-order kinetic model (R2>0.99).
Supporting Institution
Duzce University Scientific Research Projects Coordination
Project Number
DUBAP- 2020.06.02.1072
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Year 2022,
Volume: 6 Issue: 1, 46 - 60, 08.06.2022
Nilüfer Ülgüdür
,
Pınar Sevim Elibol
,
Emine Malkoç
Project Number
DUBAP- 2020.06.02.1072
References
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- [23] D. Prahas, Y. Kartika, N. Indraswati, S. Ismadji, Activated carbon from jackfruit peel waste by H3PO4 chemical activation: Pore structure and surface chemistry characterization. Chemical Engineering Journal, 140 (2008) 32–42. https://doi.org/10.1016/j.cej.2007.08.032.
- [24] S. Al-Asheh, F. Banat, L. Abu-Aitah, The removal of methylene blue dye from aqueous solutions using activated and non-activated bentonites. Adsorption Science and Technology, 21 (2003) 451–462. https://doi.org/10.1260/026361703769645780.
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- [26] W. Jiang, L. Zhang, X. Guo, M. Yang, Y. Lu, Y. Wang, Y. Zheng, G. Wei, Adsorption of cationic dye from water using an iron oxide/activated carbon magnetic composites prepared from sugarcane bagasse by microwave method. Environmental Technology (United Kingdom), (2019) 1–14. https://doi.org/10.1080/09593330.2019.1627425.
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