Penggunaan Arang Kayu Pada Pemurnian Minyak Jelantah Untuk Pembuatan Sabun Tr…

Used oil is used cooking oil that is generally not used for cooking or frying. The use of used cooking oil is very dangerous because it can cause various diseases, then the utilization of used cooking oil by way of clarified again for the manufacture of transparent soap. Transparent soap is bar soap with transparent or translucent appearance. In this study, the use of wood charcoal on refining …