Abstract
The effectiveness of activated bean husksforthe adsorptive bleaching of palm oil was studied in this work. Optimalbleaching parameters like temperature, time and adsorbent-oil ratio were determined for the palm oil decolouration. Various weights of 1, 1.5and 2gof activated beanshuskswere contacted with crude palm oil at 50,80, 110, 140 and 170°Cand contact times of 45,60and 90minutesusing 20ml of oil sample in each case.The decolorizingeffect increased linearly with temperature. Optimaladsorption conditions gave a bleaching efficiency of 98%. Langmuir, Freundlich, Temkin withDubinin-Radushkevich isotherms were correlated, and Freundlich has the highest statistical correlation coefficient (R2)value of 0.9901. Dubinin
Babatope AbimbolaOlufemi, Adedoyin T.Damola-Okesiji. (2020) OptimalAdsorptive Bleaching of Palm Oil with Activated BeansHusks, NUST Journal of Engineering Sciences , Volume 13, Issue 2.
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