Biogas Production from Food Waste by Anaerobic Digestion

Abstract

This research studied the biogas production of food waste (protein, vitamin, carbohydrates).  Twenty liters of protein, vitamin, carbohydrates waste in 3 cylinder tanks were tested for biogas production using anaerobic digestion. The process took 42 days and the waste was left at environment temperature.  Then the generated biogas was stored in a biogas tank. The measurement of gas volume replaced by water and biogas compositions were analyzed by Gas Chromatography (GC). The results revealed the best ratio of cylinder tank: Protein (meat: pig dung: molasses: water) strawed of 3:1:1:10 by volume. While the maximum biogas was 8.8077×10-4 cubic meters with an average of methane of 13.7 %. Therefore, the biogas of food waste is another option that can generate energy in the form of methane (CH4).