Intan Shafinaz, Abd Manaf and Mohd Hasbi, Ab. Rahim and Gaanty Pragas, Maniam (2017) Biodiesel Production via Ultrasound-Assisted Method using Oil Adsorbed on Spent Bleaching Clay. In: ASIA International Multidisciplinary Conference 2017 , 1-2 May 2017 , Universiti Teknologi Malaysia. pp. 1-9..
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Abstract
This paper reports studies in ultrasound-assisted heterogeneous solid catalyzed (CaO) synthesis of biodiesel from adsorbed crude palm oil on spent bleaching clay (SBC.) Ultrasonication provides a faster chemical reaction, and the rate enhancements, refereed by cavitation that causes the building- up of pressures and temperatures, as well as increased catalytic surface areas and improve mass transfer. This novel method offers significant advantages such as shorter reaction time and less energy consumption than the conventional method, efficient molar ratio of methanol to triglycerides and provides the mechanical energy for mixing. The required activation energy for initiating the transesterification reaction and so, it gives a higher yield by transesterification of oils into biodiesel. The optimized reaction conditions were as follows: methanol to oil molar ratio of 15:1; catalyst (B-CaO), 9 wt. %; reaction temperature, 65 ± 2 °C; reaction time, 2 h at a working frequency of 42 kHz and the power supply of 100W. Highest conversion of 97.33 wt. % was achieved.
| Item Type: | Conference or Workshop Item (Speech) |
|---|---|
| Uncontrolled Keywords: | Biodiesel; Ultrasound-assisted; Spent Bleaching Clay; Heterogeneous Catalyst |
| Subjects: | Q Science > Q Science (General) T Technology > TP Chemical technology |
| Faculty/Division: | Faculty of Industrial Sciences And Technology |
| Depositing User: | Mrs. Neng Sury Sulaiman |
| Date Deposited: | 22 Nov 2018 03:26 |
| Last Modified: | 22 Nov 2018 03:26 |
| URI: | http://umpir.ump.edu.my/id/eprint/20347 |
| Download Statistic: | View Download Statistics |
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