Sustainable Biodesel Synthesis from Waste Cooking Oil Using Eggshell and Coffe Husk Catalyst V Ardina (a), V M Lia (b), R Rahmi (c), L Marlinda (a*)
a) Department of Industrial Chemistry, University of Jambi, Jambi, Indonesia
(*marlindalenny[at]unja.ac.id)
b) Departement of Chemical Engineering, University of Jambi, Jambi, Indonesia
c) Departement of Chemistry, University of Jambi, Jambi, Indonesia