Synthesis of Zeolite X from Bentonite via Hydrothermal Method

Abstract:

Zeolite X were successfully synthesized from bentonite from Lopburi province, in Thailand using the two-step of hydrothermal method under optimum condition without calcination. The first step of hydrothermal were obtained at 200 °C for 3 h to remove unreacted impurity minerals such as quartz and muscovite. The secondary step of hydrothermal were obtained at 90 °C for 120 h for synthesis of zeolite X. The characterization of zeolite X were examined by x-ray diffraction (XRD), scanning electron microscopy (SEM), and infrared spectroscopy (FT-IR), respectively. The crystal structure of product was determined as zeolite X by XRD. The morphology of SEM images for zeolite X is octahedral shape. FTIR spectra are in accordance with the other characterization results.

• Periodical: Materials Science Forum (Volume 990)
• Pages: 144-148
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.990.144
• Online since: May 2020
• Authors: Suphada Srilai*, Worapak Tanwongwal, Kobchai Onpecth, Thanapat Wongkitikun, Kollayut Panpiemrasda, Gasidit Panomsuwan, Apiluck Eiad-Ua
• Keywords: Alkaline Activation, Bentonite, Hydrothermal, Zeolite X

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