Nurhavati, Nurhavati; Muhdarina, Muhdarina; Linggawati, Amilia; Amri, Tengku Ariful
(wahyu sari yeni, 2018-10-22)
Biodiesel is one of an environmentally friendly alternative fuels. This study aimed to synthesize
biodiesel from waste frying oil by the two step catalytic process, esterification of free fatty acids
using sulfuric acid ...