Open Access

Tab. 3.

Percentage content of the methane and carbon dioxide in the obtained biogas.

Name of the substrate The content of the methan (% vol.) The content of the carbon dioxide (% vol.)
min max
The mixture of the Ectocarpus collected in spring and autumn 80.7 81.2 18.8
The mixture of the Fucus vesiculosus and Audouinella 73.0 75.1 22.0
Potamogeton perfoliatus 69.9 70.9 17.2
Ectocarpus - collected in spring 79.4 79.8 20.4
Cladophora 73.3 73.3 12.8

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