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High rate anaerobic digestion of piggery manure with polyurethane sponges as support material

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Summary

The use of polyurethane foam sponges to colonize methanogenic associations for the digestion of piggery manure has been investigated. Fermentors containing polyurethane pads as colonization matrix reached a biogas production rate of ca. 2.0 litres per litre reactor per day (30–33°C), hydraulic retention time 7.5 daysl and a biogas yield of 16 litres per litre piggery manure (7–9% TS). Corresponding control fermentors containing no pads reached a gas production rate of 1.3 litres per litre reactor per day and only about 10 litres biogas per litre piggery manure.

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Authors and Affiliations

  1. Faculty of Agricultural Sciences, State University Gent, Coupure links 653, 9000, Gent, Belgium

    J. Poels, P. Van Assche & W. Verstraete

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  1. J. Poels
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  2. P. Van Assche
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  3. W. Verstraete
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Poels, J., Van Assche, P. & Verstraete, W. High rate anaerobic digestion of piggery manure with polyurethane sponges as support material. Biotechnol Lett 6, 747–752 (1984). https://doi.org/10.1007/BF00133068

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