Biogas Technology

Environment and Infrastructure

Biogas Technology

Eschborn 07.12.2007

Dishna Schwarz

OE 4413

Environment and Infrastructure

Biogas plant

Environment and Infrastructure

System components of a small biogas plant

or

Environment and Infrastructure

Biogas

What is Biogas?

? Biogas is a gas produced by anaerobic digestion (in the

absence of oxygen) of organic material, largely comprised of

methane (about two-thirds).

? Biogas originates from bacteria in the process of bio-degradation

of organic material under anaerobic (without air) conditions

What is a biodigester?

? A biodigester is a tank that processes the organic material that

produces biogas. A biodigester can come in different shapes and

sizes, depending on the needs of the people using it and the local

possibilities in building materials.

Environment and Infrastructure

Avantages of anaerobic fermentation

? A reliable and simple technology

? Many forms of uses from the produced gas (cooking, light,

industrials water heater, combustion engine)

? Appropriate technology: individual systems to large production

systems depending on many parameters

? A neutral bioenergy for environnement

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