Biogas Generation and its Utililities

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.Typically 55% methane (CH4)45% carbon dioxide (CO2)H2S and H2O and trace gases
.Energy comes from methane only
.Energy value of methane 37.78MJ/Nm3
.Energy value of biogas 21MJ/Nm3

Anaerobic digestion technology 

In the absence of dissolved oxygen, anaerobic microorganisms will tend to ferment biodegradable matter to carbon dioxide and methane which can be collected and use as a fuel. This process is called “anaerobic digestion”


What is Biodigester?


.Biodigester is a system that promotes decomposition of organic matter.

.It produces biogas, generated through the process of anaerobic digestion.

.Biogas generated can be used for cooking, heating, electricity generation, and running a vehicle.


BIOGAS TO POWER


Power is in short supply. 78,000MW planned in 11th Plan.

1.25 lac villages and 56 % of household are non electrified- Power is in big deficit.

Rural, decentralized and renewable power -A Priority.

Process industries need high quality and uninterrupted power.

Any expansion /New downstream projects will require additional, quality power.

Power generation/Cogeneration is becoming an important revenue stream.