The model of adsorption kinetics on reduction of peroxide number in CPO (Crude Palm Oil) using rubber fruit shell (Hevea brasiliensis) as biosorbent

Abstract

The object of this study was to discover the model of adsorption kinetics on reduction of peroxide number in CPO (Crude Palm Oil) using rubber fruit shell (Hevea brasiliensis) as biosorbent. The adsorption process was carried out using biosorbent with the highest iodine sorbent dosage and contact time. The best resduction of peroxide number was 83.86% at 0.5% biosorbent dose and 40 min of contact time. The adsorption kinetics model was conducted with difference of adsorption time (10, 20 and 30 min) and adsorption process was conducting at biosorbent concentration of 2%. Adsorption kinetics selected in this research was second order kinetics model after graph of t/qt (t is time and qt is adsorption capacity of time t) was made.