Citation
Zdainal Abidin, Shajaratun Nur and Yap, Taufiq Yun Hin and Md Fahmy, Rabiah Nizah and Teo, Siow Hwa and Osman, Nur Syazwani and Islam, Aminul
(2014)
Production of biodiesel from palm oil using modified Malaysian natural dolomites.
Energy Conversion and Management, 78.
pp. 738-744.
ISSN 0196-8904; ESSN: 1879-2227
Abstract
Calcined dolomite (AD), produced by calcination of Malaysian dolomite (UD) promotes a potential natural catalyst for biodiesel production from palm oil with the conversion of 99.98%. The catalysts were characterized by using X-ray Diffractometer (XRD), Brunauer–Emmet–Teller (BET) surface area, Scanning Electron Microscopy (SEM) and Temperature Programmed Desorption (TPD) of CO2. All catalysts were then employed for transesterification reaction under different conditions (time, methanol to oil molar ratio and amount of catalyst). SnO2 doped on activated dolomite (SD) shows an optimum conversion (99.98%) at conditions, i.e. 15:1 methanol to oil molar ratio in 4 h compared to ZnO doped on activated dolomite (ZD) and AD. The catalytic activities of these catalysts were found to be depending on the basicity as well as the surface area of the catalyst used.
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