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Evaluation of the influence of fermentation input substrates preparation on biogas production intensity

Author

Listed:
  • D. Sochr

    (Blue Power - Energetické systémy s.r.o., Nenačovice, Czech Republic)

  • R. Adamovský

    (Department of Mechanical Engineering, Faculty of Engineering, Czech University of Life Sciences Prague, Prague, Czech Republic)

  • J. Kára

    (Research Institute of Agricultural Engineering, Prague, Czech Republic)

  • I. Hanzlíková

    (Research Institute of Agricultural Engineering, Prague, Czech Republic)

Abstract

The article is aimed at verification of the effect of chaff length of fermented material and duration time of the contact of material with oxygen before dosing into the fermenter, on production and energy content of biogas. The results of the verification showed an effect of chaff length in the fermented material on production and energy content of the biogas at processing grass silage with high content of dry-matter and especially maize silage. When processing maize silage, optimal length of chaff in terms of production and energy content of biogas was 13 mm, with grass silage it was from 69 to 112 mm. Verification of the influence of time of grass silage and maize silage contact with air oxygen before dosing into the fermenter did not confirm our hypothesis. It was demonstrated that production and energy content of the biogas increase together with the length of duration of 7 days compared to fermentation of material after max. 3 h of contact with air oxygen.

Suggested Citation

  • D. Sochr & R. Adamovský & J. Kára & I. Hanzlíková, 2014. "Evaluation of the influence of fermentation input substrates preparation on biogas production intensity," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 60(2), pages 60-67.
    • Handle: RePEc:caa:jnlrae:v:60:y:2014:i:2:id:72-2012-rae
    DOI: 10.17221/72/2012-RAE
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    References listed on IDEAS

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    1. M. Herout & J. Malaťák & L. Kučera & T. Dlabaja, 2011. "Biogas composition depending on the type of plant biomass used," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 57(4), pages 137-143.
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    Cited by:

    1. Tomasz K. Dobek & Petr Šařec & Paweł Kołosowski & Ondřej Šařec, 2017. "Effect of chopped maize straw on the quantity and quality of biogas produced," Research in Agricultural Engineering, Czech Academy of Agricultural Sciences, vol. 63(SpecialIs), pages 8-12.

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