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IJSTR >> Volume 7 - Issue 10, October 2018 Edition



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

Website: http://www.ijstr.org

ISSN 2277-8616



The Application Of Portable Biogas Device For Laboratory Training

[Full Text]

 

AUTHOR(S)

M.C. Tri Atmodjo

 

KEYWORDS

mathematics. design, slurry, volume, biogas

 

ABSTRACT

The mathematics has very important role in making portable biogas device which able to use for student in laboratory education It is needed to calculate the volume, the ratio of gas and liquid applied and etc. The design and application of portable biogas technology is done by mathematic calculation and trial and error using the materials used drum, oil, cow dung, plastic hoses, simple pressure control and using ballast pendulum. The basic design for the manufacture of portable biogas devices is based on research conducted by EPA USA . In the study the maximum solids content in slurry was 12.5 percent. However, based on experience of using local cattle, the content of solids in slurry is used 50%. This can be made by mixing 1 part of cow dung with 1 part water or one bucket of cow dung with 1 bucket of water. The slurry volume is 75% the volume of the main tank. The volume of the remaining main tank (25% volume) is used for gas reservoirs and to facilitate gas distribution. Slurry retained in the tank for 20 - 30 days according to HRT (Hydrostatic Retention time).

 

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