Pengaruh Penambahan Aktivator H2so4 Dan Naoh Terhadap Kualitas Oli Bekas Hasi…

ABSTRACT Oil consumption has increased every year in line with the increase in motorized vehicles. This resulted in the amount of used oil produced also increased. Used oil is included in the waste of Hazardous and Toxic Materials which have a bad impact on the environment. One of the technologies that can be utilized in processing used oil is refining because used oil contains base oil so…