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Heating Performance and Ammonia Removal of a Single-Stage Bioscrubber Pilot Plant with Integrated Heat Exchanger under Field Conditions

Author

Listed:
  • Manuel S. Krommweh

    (Institute of Agricultural Engineering, University of Bonn, Nußallee 5, 53115 Bonn, Germany)

  • Hauke F. Deeken

    (Institute of Agricultural Engineering, University of Bonn, Nußallee 5, 53115 Bonn, Germany)

  • Hannah Licharz

    (Institute of Animal Science, University of Bonn, Endenicher Allee 15, 53115 Bonn, Germany)

  • Wolfgang Büscher

    (Institute of Agricultural Engineering, University of Bonn, Nußallee 5, 53115 Bonn, Germany)

Abstract

In this study, biological exhaust air treatment was combined with a recuperative heat exchanger in one process stage. The aim of this plant development and testing is not only to reduce ammonia from the exhaust air of pig houses but also to recover thermal energy at the same time. This is intended to offset the high operating costs of exhaust air treatment with savings of heating costs in cold seasons and to use the plant more efficiently. This system was tested for the first time under practical conditions in a pig fattening house in southern Germany. Three different assembly situations of the heat exchanger were examined for 13 days each and then compared with each other. The heating performance of the plant is primarily dependent on the outside air temperature and secondarily on the scrubbing water temperature. Depending on the assembly situation of the heat exchanger, an average heating performance of between 6.0 and 10.0 kW was observed; the amount of recovered thermal energy was between 1860 and 3132 kWh. The coefficient of performance (COP) ranked between 7.1 and 11.5. Furthermore, ammonia removal up to 64% was demonstrated. A long-term investigation of the system under practical conditions is recommended to validate the data collected in this study.

Suggested Citation

  • Manuel S. Krommweh & Hauke F. Deeken & Hannah Licharz & Wolfgang Büscher, 2021. "Heating Performance and Ammonia Removal of a Single-Stage Bioscrubber Pilot Plant with Integrated Heat Exchanger under Field Conditions," Energies, MDPI, vol. 14(20), pages 1-17, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:20:p:6484-:d:653103
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    References listed on IDEAS

    as
    1. Wagner, Susanne & Angenendt, Elisabeth & Beletskaya, Olga & Zeddies, Jürgen, 2015. "Costs and benefits of ammonia and particulate matter abatement in German agriculture including interactions with greenhouse gas emissions," Agricultural Systems, Elsevier, vol. 141(C), pages 58-68.
    2. Hannah Licharz & Peter Rösmann & Manuel S. Krommweh & Ehab Mostafa & Wolfgang Büscher, 2020. "Energy Efficiency of a Heat Pump System: Case Study in Two Pig Houses," Energies, MDPI, vol. 13(3), pages 1-20, February.
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    Cited by:

    1. Hauke F. Deeken & Alexandra Lengling & Manuel S. Krommweh & Wolfgang Büscher, 2023. "Improvement of Piglet Rearing’s Energy Efficiency and Sustainability Using Air-to-Air Heat Exchangers—A Two-Year Case Study," Energies, MDPI, vol. 16(4), pages 1-30, February.

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