IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v17y2024i6p1279-d1352829.html
   My bibliography  Save this article

Improvement of Biogas Production Utilizing a Complex Anaerobic Digestion Model and Gradient-Based Optimization

Author

Listed:
  • Tina Kegl

    (Faculty of Chemistry and Chemical Engineering, University of Maribor, 2000 Maribor, Slovenia)

  • Breda Kegl

    (Faculty of Mechanical Engineering, University of Maribor, 2000 Maribor, Slovenia)

  • Marko Kegl

    (Faculty of Mechanical Engineering, University of Maribor, 2000 Maribor, Slovenia)

Abstract

Anaerobic digestion (AD) is a promising technology for renewable energy production from organic waste. In order to maximize the produced biogas quantity and quality, this paper deals with the optimization of the AD process in a CSTR bioreactor of a full-scale biogas plant. For this purpose, a novel approach was adopted coupling, a highly complex BioModel for AD simulation, and a gradient-based optimization method. In order to improve AD performance, the dosages of various types of biological additives, the dosages of inorganic additives, and the temperature in the bioreactor were optimized in three different scenarios. The best biogas quality was obtained using multi-objective optimization, where the objective function involves the following two conflicting objectives: the maximization of biogas production and minimization of the needed heating energy. The obtained results show that, potentially, the content of C H 4 can be increased by 11%, while the contents of H 2 , H 2 S , and N H 3 can be reduced by 30%, 20%, and 81% when comparing the simulation results with the experimental data. The obtained results confirm the usefulness of the proposed approach, which can easily be adapted or upgraded for other bioreactor types.

Suggested Citation

  • Tina Kegl & Breda Kegl & Marko Kegl, 2024. "Improvement of Biogas Production Utilizing a Complex Anaerobic Digestion Model and Gradient-Based Optimization," Energies, MDPI, vol. 17(6), pages 1-17, March.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:6:p:1279-:d:1352829
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/17/6/1279/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/17/6/1279/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. KeChrist Obileke & Nwabunwanne Nwokolo & Golden Makaka & Patrick Mukumba & Helen Onyeaka, 2021. "Anaerobic digestion: Technology for biogas production as a source of renewable energy—A review," Energy & Environment, , vol. 32(2), pages 191-225, March.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Amina Mohamed Ali & Md Alam Zahangir & Fatouma Mohamed Abdoul-Latif & Mohammed Saedi Jami & Jalludin Mohamed & Tarik Ainane, 2023. "Hydrolysis of Food Waste with Immobilized Biofilm as a Pretreatment Method for the Enhancement of Biogas Production," Sustainability, MDPI, vol. 15(4), pages 1-17, February.
    2. Mathilde van Dijk & Annet-Jantien Smit & Jan-Peter Nap, 2023. "Message Framing and Attitudes Toward Green Gas Facilities in Rural Communities of The Netherlands," SAGE Open, , vol. 13(3), pages 21582440231, September.
    3. Siti Norliyana Harun & Marlia Mohd Hanafiah & Noorashikin Md Noor, 2022. "Rice Straw Utilisation for Bioenergy Production: A Brief Overview," Energies, MDPI, vol. 15(15), pages 1-17, July.
    4. Anna Jasińska & Anna Grosser & Erik Meers & Dagmara Piłyp, 2024. "Stimulating Methane Production from Poultry Manure Digest with Sewage Sludge and Organic Waste by Thermal Pretreatment and Adding Iron or Sodium Hydroxide," Energies, MDPI, vol. 17(11), pages 1-23, May.
    5. Ephodia Sihlangu & Dibungi Luseba & Thierry Regnier & Primrose Magama & Idan Chiyanzu & Khathutshelo Agree Nephawe, 2024. "Investigating Methane, Carbon Dioxide, Ammonia, and Hydrogen Sulphide Content in Agricultural Waste during Biogas Production," Sustainability, MDPI, vol. 16(12), pages 1-29, June.
    6. Alvydas Zagorskis & Akvilė Gotovskienė & Vladimir Monin, 2023. "Quality Assessment of Biogas-Producing Macroalgae from Azov Sea and Šventoji River," Sustainability, MDPI, vol. 15(19), pages 1-17, October.
    7. Angeliki Petridi & Dimitra-Nektaria Fragkouli & Laura Mejias & Lidia Paredes & Miquel Bistue & Christos Boukouvalas & Tryfon Kekes & Magdalini Krokida & Sofia Papadaki, 2024. "Assessing the Overall Sustainability Performance of the Meat Processing Industry Before and After Wastewater Valorization Interventions: A Comparative Analysis," Sustainability, MDPI, vol. 16(22), pages 1-28, November.
    8. Ahmad Bathaei & Dalia Štreimikienė, 2023. "Renewable Energy and Sustainable Agriculture: Review of Indicators," Sustainability, MDPI, vol. 15(19), pages 1-24, September.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:17:y:2024:i:6:p:1279-:d:1352829. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.