Transesterification of waste cooking oil in biodiesel production utilizing CaO/Al2O3 heterogeneous catalyst; [Transesterifikasi sisa minyak masak dalam pengeluaran biodiesel menggunakan CaO/Al2O3 mangkin heterogenus]
The increasing demand for fossil fuel brings a great concern as it is natural and non-renewable sources. There are several studies on biodiesel using renewable sources such as waste cooking oil. The process of transforming waste cooking oil into biodiesel is called transesterification reaction which...