Regeneration of used frying oil using various adsorbent
The objective of this research was to determine best performing adsorbent to be utilized in the regeneration of used frying oil in small medium enterprise without using major equipment and expensive material. Treatments covered various of adsorbent concentrations (2.5 g/100 mL, 5 g/100 mL, 7.5 g/100 mL, and 10 g/100 mL) and various types of adsorbent ( zeolite, bentonite, active charcoal) with process temperature of 30oC, 40oC, 50oC, and 60oC. Tempeh was used in the preparation of used frying oil by frying it 7 times in the same oil sample. The results concluded that zeolite at 2.5 g/100 mL was the best performing adsorbent compared to bentonite and active charcoal. Process temperature at 60 oC indicated the best absorbance compared to other temperatures. Regeneration of used frying oil using zeolite was recommended to encourage food home industry in adapting food safety for the consumers.
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