Pengaruh Berat Arang Aktif Kulit Singkong (Manihot Utillisima) Dan Waktu Penj…

ABSTRACT Used cooking oil is frying oil that contains carcinogenic compounds such as free fatty acids, peroxides and others. To reduce the risk due to the impact of used cooking oil, researchers are interested in recycling used cooking oil by carrying out a purification process using cassava peel charcoal as an adsorbent. This study aims to determine the effect of charcoal weight and lengt…