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IJSTR >> Volume 10 - Issue 2, February 2021 Edition



International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616



Applicative Biogas Plant For Processing Cow Dung In The Small Scale Livestock Farming

[Full Text]

 

AUTHOR(S)

Ramaiyulis, Ulva Mohtar Lutfi, Riva Hendriani, John Nefri

 

KEYWORDS

biogas production, biogas composition, green energy, slurry composition.

 

ABSTRACT

This study aims to evaluate the performance of the biogas plant to process cow dung in small-scale farms in rural areas. This biogas plant uses a digester from a 3,000-liter polyethylene tank equipped with a concrete inlet and outlet tub. The tank is planted into the ground upside down and connected to the inlet and outlet tub using 4 '' PVC pipes, as well as the gas line to the stove with a plastic hose, while the stove uses a modified LPG stove. The results of the digester performance test showed that the biogas production rate ranged from 96-104 liters/hour so that 1,244 liters of biogas were accumulated in the morning, 576 liters in the afternoon, and 589 liters in the afternoon. The total gas accumulated in the digester provides pressure between 150-220 mmH2O and is enough to push biogas from the digester to the stove. The use of biogas can turn on 2 ignition stoves at once in the morning for 230 minutes, afternoon for 112 minutes, and evening for 116 minutes. Environmental conditions in the digester with a pH of 7.5 and a constant temperature of 25 ºC can support the anaerobic fermentation process in the digester to produce an optimal and constant rate of biogas production. The residual fermentation slurry from the digester produced a total of 183 liters/day and contained 1.76% nitrogen, 0.81% P2O5, and 0.49% K2O. This biogas processing unit is suitable for developing small scale farmers in rural areas to run environmentally friendly livestock businesses.

 

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