PENGARUH MASSA ADSORBEN ARANG AKTIF DARI AMPAS KOPI PADA PEMURNIAN MINYAK JELANTAH
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Abstract
Coffee grounds include waste from processing coffee beverages that have not been widely utilized. Coffee grounds have a large enough hydrocarbon content of 47.8-58.9% so that it has the potential to be used as raw material for making activated charcoal. In this study, used cooking oil was purified using activated charcoal from coffee grounds. The purpose of this study was to determine the effect of activated charcoal adsorbent mass from coffee grounds on used cooking oil refining on moisture content, FFA content and peroxide number. Used cooking oil purification is carried out by adsorption using activated charcoal from coffee grounds which vary in mass, namely 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, and 7.5 grams. The results showed that the mass of activated charcoal adsorbent from coffee grounds in used cooking oil refining affected water content, FFA content and peroxide number The best result of the effect of activated charcoal mass on used cooking oil purification was shown in a mass variation of 3.5 g with a percentage decrease in moisture content, FFA content and peroxide number respectively 25.17%, 49.25% and 41.64%.
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