Sintesis dan Karakterisasi Katalis Magnesium Fluorida Terdoping Timah (Sn) serta Aplikasinya pada Reduksi p-Nitrofenol menjadi p-Aminofenol

Lawarti, Riska Amelia (2025) Sintesis dan Karakterisasi Katalis Magnesium Fluorida Terdoping Timah (Sn) serta Aplikasinya pada Reduksi p-Nitrofenol menjadi p-Aminofenol. Masters thesis, INSTITUT TEKNOLOGI SEPULUH NOPEMBER.

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Abstract

Pada penelitian ini telah disintesis katalis magnesium timah fluorida (MSF) dengan variasi mol Sn sebesar 0; 0,025; 0,050; 0,075; 0,100; dan 0,150 melalui metode sol-gel. Katalis dikarakterisasi dengan XRD, spektrofotometer FTIR, adsorpsi piridin-FTIR, adsorpsi desorpsi N2, dan Field Emission Scanning Electron Microscopy-Energy Dispersive X-ray (FESEM-EDX). Hasil XRD menunjukkan bahwa katalis MSF memiliki struktur yang sama dengan MgF2, yaitu tetragonal. Ikatan Mg F terbentuk pada katalis hasil sintesis. Katalis memiliki sisi asam Lewis dan Brønsted. Luas permukaan spesifik katalis (SBET) antara 10,391 dan 36,096 m2/g dengan volume pori tertinggi pada katalis MS4F (doping 0,100 mol Sn) sebesar 0,225 cm3/g. Katalis MS4F menunjukkan partikel-partikel dengan bentuk yang tidak beraturan dengan distribusi Sn tersebar merata pada permukaan katalis. Hasil uji katalitik menunjukkan bahwa katalis MS4F memiliki kinerja paling tinggi dengan konversi p-nitrofenol (PNP) sebesar 98,55%, yield p aminofenol (PAP) 72,46% dan selektivitas p-aminofenol (PAP) 73,53%. Hasil katalisis dipengaruhi oleh keasaman katalis, luas permukaan dan volume pori.
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In this study, magnesium tin fluoride (MSF) catalysts with Sn mole variations of 0; 0.025; 0.050; 0.075; 0.100; and 0.150 were synthesized using the sol-gel method. The catalysts were characterized by XRD, FTIR spectrophotometer, pyridine adsorption-FTIR, N2 adsorption desorption, and Field Emission Scanning Electron Microscopy-Energy Dispersive X-ray (FESEM-EDX). The XRD results showed that the MSF catalyst had the same structure as MgF2, which was tetragonal. Mg F bonds were formed on the synthesized catalyst. The catalyst had Lewis and Brønsted acid sites. The specific surface area of the catalyst (SBET) was between 10,391 and 36,096 m2/g with the highest pore volume in the MS4F (doped with 0,100 Sn) catalyst of 0,225 cm3/g. The MS4F catalyst exhibited irregularly shaped particles with a uniform distribution of Sn on the catalyst surface. The catalytic test results showed that the MS4F catalyst had the highest performance with a p nitrophenol (PNP) conversion of 98,55%, a p aminophenol (PAP) yield of 72,46%, and a p-aminophenol (PAP) selectivity of 73,53%. The catalytic results were influenced by the catalyst's acidity, surface area, and pore volume.

Item Type:	Thesis (Masters)
Uncontrolled Keywords:	Katalis, fluorida, doping logam, reduksi p-nitrofenol, p-aminofenol, Catalyst, fluoride, metal doping, reduction of p-nitrophenol, p-aminophenol
Subjects:	Q Science Q Science > QD Chemistry Q Science > QD Chemistry > QD1 Oxidation-reduction reaction. Q Science > QD Chemistry > QD117.S64 Spectrophotometry Q Science > QD Chemistry > QD341.P5 Phenols. Q Science > QD Chemistry > QD501 Catalysis. Catalysts. Q Science > QD Chemistry > QD905.2 Crystals.
Divisions:	Faculty of Mathematics and Science > Chemistry > 47101-(S2) Master Thesis
Depositing User:	Riska Amelia Lawarti
Date Deposited:	06 Aug 2025 07:35
Last Modified:	06 Aug 2025 07:35
URI:	http://repository.its.ac.id/id/eprint/127310

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