Bridging the Gap between Biowaste and Biomethane Production: A Systematic Review Meta-Analysis Methodological Approach

Charalampos Toufexis, Dimitrios-Orfeas Makris, Christos Vlachokostas (), Alexandra V. Michailidou, Christos Mertzanakis and Athanasia Vachtsiavanou
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Charalampos Toufexis: Sustainability Engineering Laboratory, School of Mechanical Engineering, Aristotle University of Thessaloniki, P.O. Box 483, 54124 Thessaloniki, Greece
Dimitrios-Orfeas Makris: Sustainability Engineering Laboratory, School of Mechanical Engineering, Aristotle University of Thessaloniki, P.O. Box 483, 54124 Thessaloniki, Greece
Christos Vlachokostas: Sustainability Engineering Laboratory, School of Mechanical Engineering, Aristotle University of Thessaloniki, P.O. Box 483, 54124 Thessaloniki, Greece
Alexandra V. Michailidou: Sustainability Engineering Laboratory, School of Mechanical Engineering, Aristotle University of Thessaloniki, P.O. Box 483, 54124 Thessaloniki, Greece
Christos Mertzanakis: Sustainability Engineering Laboratory, School of Mechanical Engineering, Aristotle University of Thessaloniki, P.O. Box 483, 54124 Thessaloniki, Greece
Athanasia Vachtsiavanou: Department of Procurement, Services and Projects, Waste Management of Western Macedonia Region, General Commercial Registry G.E.MI.: 122074536000, 6th km Kozani-Ptolemaida Rd., 50150 Kozani, Greece

Sustainability, 2024, vol. 16, issue 15, 1-28

Abstract: Anaerobic digestion (AD) is a promising biowaste valorization technology for sustainable energy, circular economy, local energy community growth, and supporting local authorities’ environmental goals. This paper presents a systematic review meta-analysis methodology for biomethane estimation, using over 600 values of volatile solids (VS) content and biochemical methane potential (BMP) of six different waste streams, collected from 240 scientific studies. The waste streams include cow manure (CM), sheep/goat manure (SGM), wheat straw (WS), household waste (HW), organic fraction of municipal solid waste (OFMSW), and sewage sludge (SS). The statistical analysis showed a mean VS content of 11.9% (CM), 37.3% (SGM), 83.1% (WS), 20.8% (HW), 19.4% (OFMSW), and 10.6% (SS), with BMP values of 204.6, 184.1, 305.1, 361.7, 308.3, and 273.1 L CH 4 /kg VS, respectively. The case study of Kozani, Greece, demonstrated the methodology’s applicability, revealing a potential annual CH 4 production of 15,429,102 m 3 (corresponding to 551 TJ of energy), with SGM, WS, and CM as key substrates. Kozani, aiming for climate neutrality by 2030, currently employs conventional waste management, like composting, while many local business residual streams remain unused. The proposed model facilitates the design and implementation of AD units for a sustainable, climate-neutral future.

Keywords: biowaste; biogas; biomethane; bioeconomy; anaerobic digestion; biochemical methane potential (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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