The Effect of Titanium Tetrahedral Coordination of Silica- Titania Catalyst on the Physical Properties of Biodiesel

Nizar, Umar Kalmar and Hidayatul, J and Sundari, Rita and Bahrizal, Bahrizal and Amran, Ali and Putra, Ananda and Latisma, Dj. and Dewata, Indang (2018) The Effect of Titanium Tetrahedral Coordination of Silica- Titania Catalyst on the Physical Properties of Biodiesel. In: IOP Conference Series: Materials Science and Engineering, Volume 335, The 2nd International Conference on Mathematics, Science, Education and Technology, 5-6 Oktober 2017, Padang.

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Official URL: https://iopscience.iop.org/article/10.1088/1757-89...

Abstract

This study investigates the correlation of the number of titanium tetrahedral coordination and biodiesel production. The solid-state method has been used to synthesis of silica-titania catalyst for biodiesel production, which the precursors, i.e. silica and titania commercials were heated in the temperature range of 450 - 550°C. The characterization of the prepared silica-titania has been studied by FTIR and DR UV-Vis in order to identify and calculate the presence of titanium tetrahedral coordination in silica-titania catalyst. A very small peak at around 950 cm-1 indicated the presence of titanium tetrahedral coordination through Si–O–Ti bonds. Deconvolution of DR UV-Vis spectra showed the coordination of titanium in silica-titania is more octahedral. However, the number of titanium tetrahedral coordination of the prepared silica-titania is found higher than that of TiO2 commercial. The increasing of titanium tetrahedral fraction in silica-titania affects the physical properties of biodiesel in terms of boiling point, viscosity and density, which is produced by the reaction of methanol and palm oil.

Item Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QD Chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam > Kimia - S1
Depositing User: Mrs. Wiwi Sartika
Date Deposited: 25 May 2023 07:29
Last Modified: 25 May 2023 07:29
URI: http://repository.unp.ac.id/id/eprint/43970

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