Synthesis of Spherical Silica by Sol-Gel Method and Its Application as Catalyst Support

  • Anirut Leksomboon Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
  • Bunjerd Jongsomjit Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
Keywords: Spherical silica, Sol-gel Method, Carbon dioxide hydrogenation

Abstract

In this present study, the spherical silica support was synthesized from tetraethyloxysilane (TEOS), water, sodium hydroxide, ethylene glycol and n-dodecyltrimethyl ammonium bromide (C12TMABr). The particle size was controlled by variation of the ethylene glycol co-solvent weight ratio of a sol-gel method preparation in the range of 0.10 to 0.50. In addition, the particle size apparently increases with high weight ratio of co-solvent, but the particle size distribution was broader. The standard deviation of particle diameter is large when the co-solvent weight ratio is more than 0.35 and less than 0.15. However, the specific surface area was similar for all weight ratios ranging from 1000 to 1300 m2/g. The synthesized silica was spherical and has high specific surface area. The cobalt was impregnated onto the obtained silica to produce the cobalt catalyst used for CO2 hydrogenation.

References

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Published
2010-12-31
How to Cite
Leksomboon, A., & Jongsomjit, B. (2010). Synthesis of Spherical Silica by Sol-Gel Method and Its Application as Catalyst Support. ASEAN Journal of Chemical Engineering, 10(2), 25-30. Retrieved from https://journal.ugm.ac.id/v3/AJChE/article/view/8068
Issue
Vol 10 No 2 (2010)
Section
Articles

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