Pengaruh Loading Fe pada Aktivitas dan Selektivitas Katalis Fe₂O₃/CaF₂ dalam Reaksi Sintesis Vitamin E

Primy, Riyan Nazarudin (2012) Pengaruh Loading Fe pada Aktivitas dan Selektivitas Katalis Fe₂O₃/CaF₂ dalam Reaksi Sintesis Vitamin E. Other thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Pada penelitian ini telah dipelajari aktivitas dan selektivitas katalis Fe203, sintesis, CaF2 dan Fe203/CaF2 dengan loading 2,5; 5; 7,5; 10 dan 15% dalam reaksi sintesis vitamin E. Data XRD menunjukkan bahwa katalis CaF2 memiliki struktur kubus berpusat muka dan Fe203/CaF2 menunjukkan adanya karakteristik puncak Fe203 dan puncak CaF2, dimana semakin besar loading Fe intensitas puncak Fe203 semakin naik dan intensitas puncak CaF2 semakin turun. Analisis FTIR-piridin menunjukkan semua katalis hasil sintesis memiliki sisi asam Lewis dan Bronsted sedangkan luas permukaan ( SBET ) katalis tidak menunjukkan ketergantungan dengan besarnya loading Fe203. Hasil penelitian menunjukkan bahwa aktivitas tertinggi dengan katalis Fe203/CaF2 dengan loading 10% yaitu sebesar 98,93% dan selektivitas vitamin E tertinggi pada Fe203/CaF2 dengan loading 15% yaitu sebesar 99,19%.
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n this research, synthesis, activity and selectivity of Fe203, CaF2 dan Fe203/CaF2 catalyst with loading 2,5; 5; 7,5; 10 dan 15% has been investigated in vitamin E synthesis. The XRD data presented CaF2 catalyst have face centered cubic structure and Fe203/CaF2 showed there are Fe203 and CaF2 peak characteristic. The peak intensity of CaF2 decreased with increased Fe loading. FTIR spectra of pyridine for all catalysts have Lewis and Bronsted acid sites and surface area of catalyst (SBn) not correlated with Fe203 loading. The result show that Fe203/CaF2 catalyst with 10% loading has the highest activity 98,93% and Fe203/CaF2 catalyst with 15% loading has the highest selectivity of vitamin E 99,19%.

Item Type:	Thesis (Other)
Additional Information:	RSKi 541.395 Pri p
Uncontrolled Keywords:	Vitamin E, Impregnasi , Fe203, CaF2, Aktivitas, Selektivitas, Vitamin E, Impregnation, Fe203, CaF2, Activity, Selectivity
Subjects:	Q Science > QD Chemistry > QD481 Chemical structure.
Divisions:	Faculty of Mathematics and Science > Chemistry > 47201-(S1) Undergraduate Thesis
Depositing User:	magang .
Date Deposited:	19 Oct 2026 04:08
Last Modified:	19 Oct 2026 04:08
URI:	http://repository.its.ac.id/id/eprint/145669

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