Synthesis and Characteristics of Zeolite Y (Fajasitea) from Bagasse Ash (Saccharum officinarum) Using Hydrothermal Treatment in Pb^{2 +} Metal Adsorption

Abstract:

The first stage to prepare bagasse ash to be synthesized. Furthermore, it will be in a furnace at a temperature of 600°C for 4 hours, then analyzed by SEM, BET, EDX, XRF to determine the morphology, surface area, elements and compounds contained in bagasse ash. The second stage is calcined using H₂ gas stream, then TGA analysis. The third stage results from calcination, then hydrothermal with the addition of a molar variation of 10Na₂O:xAl₂O₃ 15SiO₂: 300H₂O namely mixing 3.06 grams of Al₂O₃, 3.168 grams of NaOH, 1.908 grams of silica from bagasse ash and 20.87 grams of H₂O (pH=7). Then the sample will be analyzed using XRD and SEM. The next step will be to test zeolite Y which is synthesized into a metal solution medium, namely Pb²⁺ 25 ppm. The results of the XRF of bagasse ash contained a SiO₂ content of 54% which can be used as a synthetic zeolite with a surface area of 291,761 m2/g, after being synthesized, the surface area of ​​zeolite Y is 648,178 m²/g and % adsorption 97.43% for Pb metal. While commercial zeolite has a surface area of ​​133.122 m²/g with adsorption % 98.84%.

• Periodical: Advances in Science and Technology (Volume 112)
• Pages: 105-112
• DOI: https://doi.org/10.4028/p-9306rr
• Online since: April 2022
• Authors: Nurhikmah Nurhikmah*, Sri J. Rachmania, Raden Darmawan
• Keywords: Adsorbent, Bagasse Ash, Commercial Zeolite, Pb²⁺ Metal, Synthetic Zeolite Y

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