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Breakthrough Curve Modelling of ZSM-5 Zeolite Packed Fixed-Bed Columns for the Removal of MTBE

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Abstract

ZSM-5, as a hydrophobic zeolite, has a good adsorption capacity for MTBE in batch adsorption studies. This study explores the potential of ZSM-5 as an adsorbent for MTBE in a laboratory scale fixed-bed column study. A series of column tests were carried out to determine the breakthrough curves and evaluate the adsorption performance at different bed lengths. Logit method, Adams-Bohart model, Yoon and Nelson model and Dose-Response model were applied to fit the experimental data in order to predict the breakthrough curves and determine the adsorption kinetics of MTBE onto ZSM-5 in the fixed-bed columns. Dose-Response model was found to best describe the breakthrough curves and the maximum adsorption capacity increased with the increase of bed length. In addition, ZSM-5 can be thermally regenerated at 80 °C and the MTBE removal percentage still remained at >85% after 4 regeneration cycles.

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Correspondence to Yunhui Zhang .

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© 2019 Springer Nature Singapore Pte Ltd.

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Zhang, Y., Jin, F., Shen, Z., Lynch, R., Al-Tabbaa, A. (2019). Breakthrough Curve Modelling of ZSM-5 Zeolite Packed Fixed-Bed Columns for the Removal of MTBE. In: Zhan, L., Chen, Y., Bouazza, A. (eds) Proceedings of the 8th International Congress on Environmental Geotechnics Volume 1. ICEG 2018. Environmental Science and Engineering(). Springer, Singapore. https://doi.org/10.1007/978-981-13-2221-1_81

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