Regenerative Energie
Olive mill wastewater (OMW) is a highly polluting wastewater, caused by a high organic load and phenol content. These characteristics suggest that it may be suitable for increased biogas production in anaerobic treatment. In an attempt to improve biogas production co-digestion of sewage sludge and OMW was studied.
The effect of OMW in biogas production was investigated using a 220 L pilot-scale (140L active volume) digester under mesophilic conditions (35°C) with a total feeding volume of 7.5L daily, at a 24 days hydraulic retention time. The initial feed was sewage sludge and the bioreactor was operated using this feed for 55 days. OMW was then added to the feed so that the reactor was fed continuously with 95% sewage sludge and 5% OMW. The reactor treating the sewage sludge produced 14.72 ± 6.85 L/d biogas before the addition of OMW and 46.92 ± 15.06 L/d biogas after the addition of OMW (375 ml daily, 5% v/v in the feed). This work suggests that methane can be produced ve ry efficiently by co-digesting sewage sludge and OMW.
| Copyright: | © European Compost Network ECN e.V. |
| Quelle: | Orbit 2014 (Juni 2014) |
| Seiten: | 0 |
| Preis: | € 0,00 |
| Autor: | Aggeliki Maragkaki Dr. Michael Fountoulakis Dr. Katia Lasaridi T. Manios |
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Lexxion Verlagsgesellschaft mbH (6/2025)
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© Springer Vieweg | Springer Fachmedien Wiesbaden GmbH (5/2025)
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