Abstract

Kamisah D. Pandiangan^1,2,Novesar Jamarun^1*, Syukri Arief¹ and Wasinton Simanjuntak²

DOI : http://dx.doi.org/10.13005/ojc/320143

This paper describes the transesterification of castor oil with the use of coconut oil as co-reactant and MgO/SiO₂as heterogeneous base catalyst.  The catalyst was preparedfrom rice husk silica and magnesium nitrate by sol-gel method,  with MgO load of 20%  relative to silica, and then subjected to sintering treatment at 600 ^oC for 6 hours. A series of experiments was carried out, indicating that  the use of coconut oil as co-reactant significantly promoted the conversion of castor oil into biodiesel.

castor; biodiesel; heterogeneous catalyst; co-reactant

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