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Summary

Description
English: Dry Anaerobic Digestion has proven to be the optimal technology for the utilization of these organic residues and wastes, which are predominantly available worldwide in a solid and stable form.

Anaerobic Digestion is the process in which bacteria biodegrade organic materials – such as solid animal manure, bio waste, and food waste – in the absence of oxygen (O2).

Anaerobic Digestion for biogas production is done in gas-sealed units called digesters, which are designed and built in different forms and sizes depending on the types of feedstock and loading amount. These digester tanks contain complex bacterial cultures that break down (digest) the waste to produce biogas and digestate, which is the end product of the process.

Several types of organic materials (feedstocks) can be mixed together in one digester. This is known as Co-Digestion. Co-Digested substrates include manure, food waste, or crop residues. Co-digestion can increase biogas production from low-yielding or difficult-to-digest organic waste.
Deutsch: Die Trockenvergärung hat sich als optimale Technologie zur Verwertung organischer Rückstände und Abfälle erwiesen, die weltweit überwiegend in fester und stabiler Form vorliegen.

Anaerobe Vergärung ist ein Prozess, bei dem Bakterien organische Materialien - wie Festmist, Bioabfälle und Lebensmittelabfälle - in Abwesenheit von Sauerstoff (O2) biologisch abbauen.

Anaerobe Vergärung zur Biogaserzeugung erfolgt in gasdichten Einheiten, den so genannten Fermentern, die je nach Art des Ausgangsmaterials und der Beschickungsmenge in verschiedenen Formen und Größen konzipiert und gebaut werden. Diese Fermenter enthalten komplexe Bakterienkulturen, die den Abfall zersetzen, um Biogas und Gärrückstände zu erzeugen, die das Endprodukt des Vergärungsprozesses sind.

In einem Fermenter können mehrere Arten von organischen Materialien (Einsatzstoffe) gemischt werden. Dies wird als Co-Digestion bezeichnet. Zu den gemeinsam vergorenen Substraten gehören Gülle, Lebensmittelabfälle oder Ernterückstände. Die Co-Vergärung kann die Biogasproduktion aus ertragsschwachen oder schwer zu vergärenden organischen Abfällen erhöhen.
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Author Thzorro77

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Captions

Anaerobic Digestion Biogas Plant - Massflow Scheme

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26 October 2015

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