Biogas : Renewable Energy
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Abstract
Biogas has several advantages comparing on the use of fossils fuels such as gasoline and natural gas. Biogas can be produced continuously because it grows from the organic raw materials to create a clean and healthy environment and free pollution. Utilization of animal waste as an energy source of biogas will not reduce the amount of organic fertilizer produced, but will produce methane (CH4) as an energy source. The research was done by mixing cow dung, rumen and water with various comparing materials and time to produce the highest biodiesel. The result of research by mixing cow dung (rumen) and water produced the highest biogas in a 1: 2 mixture. From the 3rd day, it has produced biogas but cannot be used because the CO and CO2 contents are very high. The result on the 10th day, it can be already used. The highest biogas production was resulted on 15th – 16th day in which producing 5 liters biogas from 110 kg cow waste with 220 kg water contents. The results are getting smaller but it still produces until the 30th day. The highest result to produce renewable energy was by utilizing without reducing the function of organic fertilizer.