BIOGAS: A FIT OPTION FOR RURAL ENERGY
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January 28, 2016 |
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BIOGAS: A FIT OPTION FOR RURAL
ENERGY
* Energy requirement in rural
area.
* Biogas potential in India.
* Biogas: properties and
applications.
* Biogas plant designs.
* Contribution to rural areas.
* Conclusion.
INTRODUCTION
•Biogas is
clean environment friendly fuel that can be obtained by anaerobic digestion of
animal residues and domestic and farm wastes, abundantly available in the
countryside.
•
•Biogas is an
important renewable energy resource for rural areas in India
•
•Biogas generally comprise of 55-65 % methane, 35-45
% carbon
dioxide, 0.5-1.0 % hydrogen sulfide and traces of water vapor.
•
•Average calorific value of biogas is 20 MJ/m3 (4713 kcal/m3).
•Biogas like Liquefied Petroleum Gas (LPG) cannot be
liquefied under normal temperature and pressure.
•Critical temperature required for liquefaction of
methane is
-82.1oC at
4.71MPa pressure, therefore use of biogas is
limited nearby the biogas plant.
•
•An estimate indicates that India has a potential of
generating 6.38 X 1010 m3 of biogas from 980 million tones of cattle dung
produced annually.
•
•The heat value of this gas amounts to 1.3 X 1012 MJ. In
addition, 350 million tones of manure would
also produce along
with biogas.
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