The Effect of Time and H2O/CTAB Ratio in Synthesis of Mesoporous Alumina from Bauxite Residue

Authors

  • Omita Riski Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember , 60111 ITS Sukolilo, Surabaya, Indonesia
  • Didik Prasetyoko Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember , 60111 ITS Sukolilo, Surabaya, Indonesia
  • Dwi Kumala Febrianti Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember , 60111 ITS Sukolilo, Surabaya, Indonesia
  • Yatim Lailun Nikmah Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember , 60111 ITS Sukolilo, Surabaya, Indonesia
  • Vita Nur Iftitahiyah Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember , 60111 ITS Sukolilo, Surabaya, Indonesia
  • Hartati Hartati 1Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Kampus C UNAIR, Jl. Mulyorejo, Surabaya, 60115
  • Imroatul Qoniah Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember , 60111 ITS Sukolilo, Surabaya, Indonesia
  • Eko Santoso Department of Chemistry, Faculty of Science, Institut Teknologi Sepuluh Nopember , 60111 ITS Sukolilo, Surabaya, Indonesia

DOI:

https://doi.org/10.11113/mjfas.v15n2019.1003

Keywords:

Red mud, mesoporous, alumina materials, surface acidity

Abstract

Mesoporous alumina has been successfully synthesized from bauxite residues (red mud) as raw material and cetyltrimethylammonium bromide (CTAB) as template at room temperature. The effects of crystallization time and molar ratio of H2O/CTAB on structural and textural properties of mesoporous alumina were investigated. The synthesized product was characterized by XRD, FTIR, SEM-EDX, TEM, N2 adsorption-desorption and acidity test using pyridine adsorption. The XRD pattern and SEM micrograph showed that the synthesized product possessed an amorphous phase and irregular shapes. From obtained results, it could be observed that crystallization time and H2O/CTAB ratio influenced the surface acidity of mesoporous alumina.

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Published

04-02-2019