Pandiangan, Kamisah Delilawati (2021) Peer Review : Pandiangan, Kamisah Delilawati and Simanjuntak, Wasinton and Rilyanti, Mita and Jamarun, Novesar and Arief, Syukri (2017) Influence of Kinetic Variables on Rubber Seed Oil Trans-esterification Using Bifunctional Catalyst CaO-MgO/SiO2. Oriental Journal of Chemistry, 33 (6). pp. 2891-2898. -. (Unpublished)
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Abstract
In this study, syntheses of bifunctional catalyst (CaO-MgO/SiO2) with different ratios of CaO: MgO:SiO2 of 1:1:3 and 1:1:5 were carried out by sol-gel method. The catalysts were subjected to calcination temperatures of 500, 600, 700, 800, 900oC for 6 hours at peak temperatures, and then tested as catalyst in a series of transesterification of rubber seed oil without and with the use of coconut oil as co-reactant. Several kinetic variables of transesterification were also investigated. The results revealed that the catalyst with the composition of CaO-MgO/SiO2 1:1:5 and subjected to calcination temperature of 800°C functioned as the most active catalyst. The highest percent of conversion (90%) was resulted from the experiment with the use of 5% catalyst, 50 mL methanol, 10% co-reactant, temperature of 70oC and reaction time of 6 hours.
| Item Type: | Other |
|---|---|
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Kimia |
| Depositing User: | Dr Kamisah Delilawati Pandiangan |
| Date Deposited: | 27 May 2021 02:36 |
| Last Modified: | 27 May 2021 02:36 |
| URI: | http://repository.lppm.unila.ac.id/id/eprint/30857 |
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