Abstract
One of the renewable alternative energy and has the potential to be developed is biogas energy. However, in its development there are still some obstacles, one of which is leakage on digester. This leakage is caused by excess gas pressure inside the digester, so the excess gas that should be used is wasted. In addition leaks on the digester can also cause air pollution and global warming. It is therefore necessary to design an effective by adding a controller as a pressure regulator of the biogas flow distribution. The MPX5700AP pressure sensor is installed to measure the pressure of the gas inside the digester. Excess gas in the next digester is flowed and accommodated in the container tube. Based on the research that has been done, can be produced an effective digester. With the automatic pressure control, the biogas distribution process becomes more optimal so as to minimize the exhaust gas from the digester.
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