Pangesti, Gesa Gustami and Pandiangan, Kamisah Delilawati and Simanjuntak, Wasinton (2019) Transesterification of Coconut Oil Using MgO Doped Zeolite-Y Prepared from Rice Husk Silica. In: The 10th International Conference on Green Technology (ICGT), 2-3 Oktober 2019, Malang. (Unpublished)

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Abstract

In this investigation, zeolite-Y prepared from rice husk silica was doped with MgO using impregnation method and then tested as catalyst for transesterification of coconut oil. Four zeolite samples were prepared by varied crystallization time of 48, 72, 96, and 120 h at fixed temperature of 100 °C. The impregnation process was conducted by placing the zeolite in magnesium nitrate solution with a concentration of 1.5% and stirred for 6 h by a magnetic stirrer. The mixture was aged for 22 h at room temperature then washed with distilled water and dried in oven at 80 °C. The dried sample was then calcined at 550 °C for 6 h to form MgO doped zeolite-Y and then tested as catalyst for transesterification of coconut oil. To confirm the presence of MgO, the samples were characterized using XRF. The establishment of zeolite structure was verified using XRD technique and microstructure using SEM. The experimental results demonstrated that MgO was successfully doped into zeolite, with the relative amount varied with crystallization time. The presence of samples as multiphasic material was suggested by the XRD and SEM analysis. The composites exhibit decent catalytic performance as revealed by the results of transesterification with the highest conversion of 70% was achieved.

Item Type: Conference or Workshop Item (Speech)
Subjects: Q Science > QD Chemistry
Divisions: Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Magister Ilmu Kimia
Depositing User: Dr Kamisah Delilawati Pandiangan
Date Deposited: 04 Nov 2019 08:27
Last Modified: 04 Nov 2019 08:27
URI: http://repository.lppm.unila.ac.id/id/eprint/14910

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