Comparison Study of Amino-Functionalized and Mercaptopropyl-Functionalized Mesoporous Silica MCM-41

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

doi:10.4028/www.scientific.net/AMR.550-553.1603

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 550-553Comparison Study of Amino-Functionalized and...

Comparison Study of Amino-Functionalized and Mercaptopropyl-Functionalized Mesoporous Silica MCM-41

Abstract:

The ability to decorate silicate surface with different organoalkoxysilanes creates powerful new capabilities for catalyst, adsorbents and chemical separation. Mesopororus silica, MCM-41 was modified by grafting of amino and mercaptopropyl functional group. The structures of these materials were characterized by using Fourier Transform Infrared Spectroscopy (FT-IR), and X-Ray diffraction (XRD). The samples were found to exhibit structural properties similar to those reported earlier. Significant functional groups of the modified mesoporous silicates were found in the spectrum of FT-IR. Standard structure of mesoporous silicates were found to be preserved at planar [100] of XRD difractogram of mesoporous silicates. Adsorption of Cu (II) ions were done under different temperatures, initial concentrations and pH. Adsorption process also was determined from kinetic point of view and was found to be better fitted to pseudo second order of kinetic model.

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Periodical:

Advanced Materials Research (Volumes 550-553)

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1603-1606

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.1603

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Online since:

July 2012

Authors:

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

Keywords:

Adsorption, Amino-Functionalized, Kinetic, MCM-41, Mercaptopropyl-Functionalized

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