Khotiba, Lisa Aini Isyakdia (2015) Sintesis, karakterisasi dan katalisis Mg1-xCuxF2 dalam reaksi asetilasi gliserol. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Pada penelitian ini telah dilakukan sintesis Mg1-xCuxF2.
Struktur Kristal dikarakterisasi dengan Difraksi Sinar-X (XRD),
keasaman katalis ditentukan dengan piridin-FTIR serta luas
permukaan spesifik(SBET) diukur dengan adsorpsi gas
nitrogen.Reaksi katalisis dilakukan pada reaksi asetilasi gliserol.
Hasil XRD menunjukkan katalis Mg1-xCuxF2 memiliki struktur
MgF2 tetragonal. Keasaman katalis menunjukkan adanya sisi
asam Lewis dan sisi asam Brønsted. Konversi gliserol tertinggi
mendekati 100% dicapai oleh katalis Mg0,95Cu0,05F2, Mg0,9Cu0,1F2
dan katalis Mg0,85Cu0,15F2. Selektivitas tertinggi terhadap MAG,
DAG dan TAG dicapai oleh katalis Mg0,975Cu0,025F2 masingmasing
sebesar 31,39 %, 50,69 % dan 5,07 %. Aktivitas katalisis
ini dipengaruhi oleh sisi keasaman Brønsted.
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Synthesis catalyst Mg1-xCuxF2 have been investigated.
Characterization of catalyst used X-ray diffraction (XRD) to
determine the crystal structure of the catalyst, pyridine-FTIR to
determine the acidity both Lewis acidity and Brønsted acidity and
nitrogen adsorption to determine the specific surface area (SBET)
of the catalyst.Result of XRD showed catalyst Mg1-xCuxF2 have
MgF2 structure tetragonal. Catalyst acidity showed Lewis acidity
and Brønsted acidity. The best glycerol conversion up to 100%
are catalyst Mg0.950Cu0.050F2, Mg0.900Cu0.100F2 and katalis
Mg0.850Cu0.150F2. The best selectivity of MAG, DAG and TAG
are catalyst Mg0.975Cu0.025F2 respectively 31,39 %, 50,69 % dan
5,07 %. Catalyst activity is influenced by Brønsted acidity.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Additional Information: | RSKi 541.395 Kho s |
| Uncontrolled Keywords: | Doping; asetilasi gliserol; MgF2; Mg1-xCuxF2 |
| Subjects: | Q Science > QD Chemistry > QD501 Catalysis. Catalysts. |
| Divisions: | Faculty of Mathematics and Science > Chemistry > 47201-(S1) Undergraduate Thesis |
| Depositing User: | - Taufiq Rahmanu |
| Date Deposited: | 25 Jun 2019 04:38 |
| Last Modified: | 25 Jun 2019 04:38 |
| URI: | http://repository.its.ac.id/id/eprint/63242 |
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