Digester Gas Engine: What Is It and What Are Its Benefits?

A digester gas engine-also referred to as a biogas engine-is an engine that turns natural gases produced by an anaerobic digester into electricity. Medium to large size structures that mix biodegradable wastes (e.g. sewage and food waste) to release their natural gasses, anaerobic digesters typically contain four levels on their interior: a mixing zone where most solid waste is slowly churned by a mixing device, a sludge zone, a liquid zone, and biogas zone at the top.

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