Yonathan, Tittovito Geoffrey (2024) Synthesis of Sulfonated Mesoporous Silica with Cetyltrimethylammonium Bromide Template for Efficient Adsorption of Cr(VI) Metal Ion. Undergraduate thesis, Fakultas Sains dan Matematika Undip.

	Text 01. Cover.pdf Download (46kB)
	Text 03. Halaman Pengesahan.pdf Download (135kB)
	Text 05. Daftar Isi.pdf Download (113kB)
	Text 09. Abstrak.pdf Download (31kB)
	Text 10. Bab I.pdf Download (39kB)
	Text 15. Daftar Pustaka.pdf Download (122kB)

Abstract

The synthesis and sulphonation of mesoporous silica (MS) using a
cetyltrimethylammonium bromide (CTAB) template were successfully achieved,
resulting in improved Cr(VI) ion adsorption. The synthesis was confirmed through
FTIR and SEM-EDX analyses, which verified the mesoporous structure and
incorporation of sulphonate groups. In addition to characterisation by Gas Sorption
Analysis (GSA), the sol-gel method and sulphonation reflux process were
employed. Adsorption efficiency was assessed under varying concentrations, pH
levels, and contact times, with the optimal conditions found at pH 2, a contact time
of 90 minutes, and 10 ppm Cr(VI). Sulphonated silica (SSCTAB) achieved a Cr(VI)
removal efficiency of 94.702%, significantly surpassing that of furnaced silica
(SCTAB). These results indicate that sulphonated mesoporous silica is highly
effective for Cr(VI) ion removal.
Keywords: Mesoporous silica, Sulfonation, Chromium adsorption, Sol-gel, CTAB
Template

Actions (login required)

View Item