BIO Digester Technology Experts

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BIODIGESTER TECHNOLOGY EXPARTS KENYA
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Balloon Plants

A balloon plant consists of a plastic or rubber digester bag, in the upper part of which the gas is stored. The inlet and outlet are attached direct to the skin of the balloon. When the gas space is full, the plant works like a fixed-dome plant - i.e., the balloon is not inflated; it is not very elastic.
The fermentation slurry is agitated slightly by the movement of the balloon skin. This is favorable to the digestion process. Even difficult feed materials, such as water hyacinths, can be used in a balloon plant. The balloon material must be UV-resistant. Materials which have been used successfully include RMP (red mud plastic), Trevira and butyl.

Advantages:

Low cost, ease of transportation, low construction (important if the water table is high), high digester
temperatures, uncomplicated cleaning, emptying and maintenance.

Disadvantages:

Short life (about five years), easily damaged, does not create employment locally, little scope for self-help.

BIODIGESTER TECHNOLOGY EXPARTS KENYA
Call us on 0717034665 for inquiries

Determination of System Layout

In the site survey, a sketch of the facility is required to prepare system layout.
The location of digester should consider the following aspects:
- The site should be in a slightly higher elevation than the surrounding. This helps in avoiding water logging.
- Elevation arrangement for gravitational flow of feedstock and effluent should be considered to avoid manual transportation
- Input location of digester should be lower than cow shed
- Garden for effluent should be lower than outlet of digester
- Possibility of contamination of underground water should be considered carefully... See more...

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