Chapter 9
9.24
The normal biogas composition is given below:
•
Primarily composed of methane, but typically around
50–70% if compared with Natural Gas.
•
Contains a higher percentage of carbon dioxide (CO
2
)
than natural gas.
•
Includes water vapor, hydrogen sulphide (H
2
S), and
traces of other gases.
•
Produced through anaerobic digestion of organic
matter such as agricultural waste, manure, municipal
waste, plant material, sewage, green waste, or food
waste.
Hydrogen
Hydrogen is the most abundant element on Earth and pos-
sesses the highest calorific value among all fuels. While it
does not exist naturally as a gas, ...
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