Abstract
This study focuses on the synthesis and surface modification of silica particles using round-bottom flask and Taylor-vortex reactors with varying stirring speeds and K2SiO3 concentrations. The successful surface modification with MTCS is confirmed through FT–IR analysis, indicating the covalent attachment of methyl groups on the silica surface. Oil adsorption capacity testing reveals the influence of reactor type and stirring speed on particle performance. The Taylor-vortex reactor consistently displays higher homogeneity and oil adsorption capacity at lower stirring speeds, thanks to controlled hydrodynamic conditions. The FT–IR analysis also highlights characteristic oscillations and cohesion of the –CH3 groups after MTCS treatment. The findings underscore the importance of reactor selection and parameter optimization in tailoring silica particles for specific applications. This study contributes valuable insights into silica particle synthesis and modification, with implications in materials science and environmental technologies.
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The data that support the findings of this study are available from the corresponding author upon reasonable request.
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Acknowledgements
This research was supported by Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (NRF-2017R1A6A1A03015562) and the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (No. RS-2023-00250648).
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Nguyen, HH., Park, SH., Tran, QH. et al. Synthesis of silica nanopowder from hydrochloric acid and potassium silicate precursor using Taylor-vortex reactor. J. Korean Ceram. Soc. 61, 178–188 (2024). https://doi.org/10.1007/s43207-023-00345-x
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DOI: https://doi.org/10.1007/s43207-023-00345-x