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Tailoring MCM-41 Mesoporous Silica Particles through Modified Sol-Gel Process for Gas Separation

Journal of Advanced Research in Fluid Mechanics and Thermal Sciences
Volume 42 No. 1, February 2018, Pages 46-56

Wong Yean Sang1,*, Oh Pei Ching1
1Chemical Engineering Department, Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak, Malaysia
*Corresponding author: peiching.oh@utp.edu.my

KEYWORDS

MCM-41, particle diameter, reaction parameter, separation

ABSTRACT

Mobil Composition of Matter-41 (MCM-41) is recognized as a potential filler to enhance permeability of mixed matrix membrane (MMM). However, the required loading for available micron-sized MCM-41 was considerably high in order to achieve desired separation performance. In this work, reduced-size MCM-41 was synthesized to minimize filler loading, improve surface modification and enhance polymer-filler compatibility during membrane fabrication. The effect of reaction condition, stirring rate and type of post-synthesis washing solution used on particle diameter of resultant MCM-41 were investigated. It was found that MCM-41 produced at room temperature condition yielded particles with smaller diameter, higher specific surface area and enhanced mesopore structure. Increase of stirring rate up to 500 rpm during synthesis also reduced the particle diameter. In addition, replacing water with methanol as the post-synthesis washing solution to remove bromide ions from the precipitate was able to further reduce the particle size by inhibiting polycondensation reaction. It was also noticed that particle diameter of MCM-41 is optimized with 15 hours of calcination.

CITE THIS ARTICLE

MLA
Sang, Wong Yean, et al. “Tailoring MCM-41 Mesoporous Silica Particles through Modified Sol-Gel Process for Gas Separation.” Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 42.1 (2018): 46-56.

APA
Sang, W. Y., & Ching, O. P. (2018). Tailoring MCM-41 Mesoporous Silica Particles through Modified Sol-Gel Process for Gas Separation. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 42(1), 46-56.

Chicago
Sang, Wong Yean, and Oh Pei Ching. “Tailoring MCM-41 Mesoporous Silica Particles through Modified Sol-Gel Process for Gas Separation.” Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 42, no. 1 (2018): 46-56.

Harvard
Sang, W.Y. and Ching, O.P., 2018. Tailoring MCM-41 Mesoporous Silica Particles through Modified Sol-Gel Process for Gas Separation. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 42(1), pp.46-56.

Vancouver
Sang, WY, Ching, OP. Tailoring MCM-41 Mesoporous Silica Particles through Modified Sol-Gel Process for Gas Separation. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences. 2018;42(1):46-56.

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