OPTIMASI PENGGUNAAN ARANG AKTIF DARI LIMBAH BAGLOG JAMUR TIRAM (Pleurotus ostreatus) DALAM PENGOLAHAN MINYAK GORENG BEKAS: STUDI PENURUNAN KADAR ASAM LEMAK
DOI:
https://doi.org/10.34151/prosidingsnast.v1i1.4908Keywords:
activated charcoal, oyster mushroom baglog waste, used cooking oilAbstract
The potential for baglog mushroom waste in Bleberan Village, Playen District, Gunungkidul Regency is very large and has not been utilized properly, as well as the potential for used cooking oil waste. In this research, activated charcoal was made which was used as an adsorbent for free fatty acids in used cooking oil. The characterization of refined cooking oil is carried out based on SNI 7709:2019 including odor, color and free fatty acids. Measurement of the effectiveness of activated charcoal adsorption was carried out by varying the concentration of NaOH activator 1 N, 2 N, 3 N, 4 N, and 5 N, varying the granule size of 20, 40, 60, 80, and 100 mesh, and varying the mass of activated charcoal 2 g, 4 g, 6 g, 8 g and 10 g. The research results showed that optimum conditions were obtained at a NaOH activator concentration of 5 N with a grain size of 100 mesh and an activated charcoal mass of 8 g. In these conditions, used cooking oil experiences an increase in odor quality from abnormal to normal, color from brown to yellow, and a decrease in free fatty acids from 1.73 to 0.27%, so that it meets quality standards according to SNI 7709:2019
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