The Biogas Handbook: Science, production and applications by Arthur Wellinger Jerry Murphy David Baxter

Author:Arthur Wellinger, Jerry Murphy, David Baxter [Wellinger, Arthur; Murphy, Jerry; Baxter, David]
Language: eng
Format: epub
Publisher: Woodhead Publishing
Published: 2013-11-15T00:00:00+00:00

10.2.5 Biogas production in wastewater treatment plants

In cases where biogas production is not the main aim of implementing the anaerobic digestion process, i.e. in wastewater treatment plants, organic matter removal is an important indicator. The effectiveness of the process can be expressed as TS, VS, COD or biological oxygen demand (BOD) removal (El-Gohary et al., 1999; Perez et al., 2001; Steyer et al., 2002). The BOD gives important information about easily biodegradable organic substances, which can be correlated to total biogas production. However, in samples with a significant content of organic polymers, polysaccharides, fats and proteins, underestimation of BOD may occur (Liu et al., 2004).

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