Characterization of Egg Shell Waste As Adsorbent for Cooking Oil Waste Purification

Eggshell has a shaft and high surface area, so it the potential to become an adsorbent. The adsorbent is in filtration process. Waste cooking oil can be reused as raw material with economic value. So far, waste bank that accommodates used not gone through process, selling price low. filtered using various media, including activated carbon, commercial silica, local adsorbents such eggshells. A process on expected increase income for banks. objective of this study was investigate formulations from eggshells purification oil. variables were variety particle size (60, 80 mesh) weight (10, 15 g). optimal result decreased acidic number obtained at 60 mesh size, grams.