MATEC Web Conf.
Volume 197, 2018The 3rd Annual Applied Science and Engineering Conference (AASEC 2018)
|Number of page(s)||4|
|Published online||12 September 2018|
Synthesis of silica of rice husk modification (3-aminopropyl) trietoxysilane for adsorption methylene blue
Universitas Negeri Jakarta, Fakultas Matematika dan Ilmu pengetahuan Alam, Departemen Kimia, Jln. Rawamangun Muka Jakarta 13220
* Corresponding author: firstname.lastname@example.org
In this study, modified silica (3-Amynopropyl) triethoxysilane (APTES) synthesis and adsorption test of MB dye were performed. Silica is synthesized by sol-gel method and modified with APTES. APTES modified silica is characterized using several instruments, scanning electron microscopy (SEM), fourier transform infrared (FTIR), surface area analyzer (SAA) and UV-Vis spectrophotometer. The composite has a large surface area and has a mesoporous shape. At alkaline pH, MB dye can adsorb well. In addition, MB absorption is also maximized with the longer time of adsorption. The APTES modified silica adsorption process follows the Langmuir isotherm pattern. Thus, APTES modified silica can be used as an alternative to environmentally friendly and low-cost adsorbents.
© The Authors, published by EDP Sciences, 2018
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