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Techno-economics and environmental sustainability of agricultural biomass-based energy potentialopen access

Authors
Akter, Mst. MahmodaSurovy, Israt ZahanSultana, NazminFaruk, Md. OmarGilroyed, Brandon H.Tijing, LeonardArmanDidar-ul-Alam, Md.Shon, Ho KyongNam, Sang YongKabir, Mohammad Mahbub
Issue Date
Apr-2024
Publisher
Elsevier Ltd
Keywords
Bioenergy; Economic modeling; Environmental sustainability; Mathematical modeling; Techno-economics
Citation
Applied Energy, v.359
Indexed
SCIE
SCOPUS
Journal Title
Applied Energy
Volume
359
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/69623
DOI
10.1016/j.apenergy.2024.122662
ISSN
0306-2619
1872-9118
Abstract
This paper explores the viability of utilizing agricultural biomass-based energy potential, employing mathematical, engineering, and economic modeling techniques. Moreover, the potential of a biogas-based co-digestion (CD) system, integrating its techno-economic performance and environmental sustainability in terms of electricity generation, has also been studied. In this investigation, the categorization of 25 different plant species into two groups: arable field crops (AFCs) and horticultural plants (HPs), was performed. Data was collected during the 2021‐–2022 cropping season in Bangladesh from various sources, including literature reviews, governmental, and non-governmental organizations. The findings revealed that the available agricultural biomass residues, totaling 1,02,585.75 KT, have the capacity to generate 1,33,815 million m3/year of biogas. This energy potential corresponds to 291,125.85 TJ/year or 9231.60 MW of electricity, which can fulfill 88% of the national total energy demand. In terms of levelized cost, the proposed approach is more competitive and shows a greater promise compared to other technologies. Furthermore, it demonstrates environmental friendliness by reducing CO2 emissions by 156 tons at a cost of $7/ton while earning $1092 annually from the potential carbon-credit market. This approach presents a potential solution to address Bangladesh's energy crisis. The payback period of the system ranged from 2.93 to 3.75 years, with and without the inclusion of a slurry, respectively. The recommended methods hold significant promise for meeting national energy demands. A case study was provided as a proof-of-concept (PoC) to validate the approach. This study is the first of its kind, providing valuable insights into the renewable energy potential in Bangladesh. The results will assist policymakers in formulating sustainable energy policies. © 2024 The Author(s)
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