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Microbiologie de la Digestion Anaérobie - AILE

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3. Les substrats lentement hydrolysés<br />

et fortement méthanogènes<br />

<strong>de</strong> part leur composition<br />

Graisses (insolubles dans l‟eau)<br />

Huiles<br />

Boues <strong>de</strong> <strong>la</strong>iterie, fromagerie, choco<strong>la</strong>terie Biogaz<br />

Substrat<br />

Substrats Production théorique<br />

<strong>de</strong> biogaz<br />

à digestion<br />

lente Aci<strong>de</strong>s<br />

organiques<br />

Composition théorique<br />

<strong>de</strong> biogaz<br />

Nl/kg DOM CH 4 (%) CO 2 (%)<br />

hydrates <strong>de</strong> carbone 746 50 50<br />

Lipi<strong>de</strong>s 1390 72 28<br />

Proteines 800 60 40<br />

CH 4<br />

CO 2

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