BIO GAS PRODUCTIVITY FROM FOOD WASTE TREATMENT USING DUAL STAGE ANAEROBIC DIGESTION WITH THE ADDITION OF LEACHATE AND RUMEN
Food waste has the potential to produce renewable energy through the anaerobic digestion process. In this study, the food court located in Balubur Town Square, Bandung was chosen as the location for the main raw material for the research. The anaerobic digestion process that will be carried out in t...
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| Format: | Theses |
| Language: | Indonesia |
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| Online Access: | https://digilib.itb.ac.id/gdl/view/67936 |
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| Institution: | Institut Teknologi Bandung |
| Language: | Indonesia |
| Summary: | Food waste has the potential to produce renewable energy through the anaerobic digestion process. In this study, the food court located in Balubur Town Square, Bandung was chosen as the location for the main raw material for the research. The anaerobic digestion process that will be carried out in this study uses a wet fermentation system with a ratio of raw materials and liquids of 1:1.25. The main research was carried out on a laboratory scale using a continuous two-stage anaerobic digester. In this study, the addition of material in the form of leachate and cow rumen fluid as a variation of the addition of material.
Based on the analysis carried out, it is known that the reactor with variations in the addition of rumen fluid produces more methane gas compared to variations in the addition of leachate and control treatment. In the rumen addition variation reactor, the highest methane gas production reached 50.25% by volume with the highest biogas production at 5.9 L. While in the leachate addition variation reactor, the highest methane gas production reached 45% by volume with the highest biogas production at 5.77 L, and in the control treatment reactor the highest methane gas production reached 43.75% by volume with the highest volume of 5.44 L.
Based on the research, the kinetics of the rate of methane formation in biogas production can be determined using a linear equation. In the AD process with variations in the addition of rumen, the biogas production rate constant was 23,855 ml CH4/g VS/day. In the AD process with variations in the addition of leachate, the biogas production rate constant was 13,744 ml CH4/g VS/day. In the AD process with control treatment, the biogas production rate constant was 11,87 ml CH4/g VS/day.
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