Comparison Study of Amino-Functionalized and Mercaptopropyl-Functionalized Mesoporous Silica SBA-15

Faustina Elfrida Sangok; Sabrina M. Yahaya; Izza Taib Nurul; Siti Zaleha Sa'ad; Nor Fazila Rasaruddin

doi:10.4028/www.scientific.net/AMR.554-556.657

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556Comparison Study of Amino-Functionalized and...

Comparison Study of Amino-Functionalized and Mercaptopropyl-Functionalized Mesoporous Silica SBA-15

Abstract:

The capability for the adsorption of Cu (II) ion with mesoporous material SBA-15, amino-functionalized SBA-15 and mercaptopropyl-functionalized SBA-15 was investigated. XRD, FT-IR and FESEM were used for characterizing the structure and surface properties of adsorbent prepared. Effects of initial concentrations and pH on adsorption process were studied. Amino-functionalized SBA-15 was found to show the highest percentage removal of Cu (II) ion from aqueous solution compared to mercaptopropyl-functionalized SBA-15. Adsorption isothermal model was also examined. Langmuir isothermal model was found to be better fitted with adsorption process compared to Freundlich isotherm model.

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Periodical:

Advanced Materials Research (Volumes 554-556)

Pages:

657-660

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.554-556.657

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July 2012

Authors:

Faustina Elfrida Sangok, Sabrina M. Yahaya, Izza Taib Nurul, Siti Zaleha Sa'ad, Nor Fazila Rasaruddin

Keywords:

Adsorption, Amino-Functionalized SBA-15, Freundlich Isotherm, Langmuir Isotherm, Mercaptopropyl-Functionalized SBA-15

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