A comparative study of biogas and biomethane with natural gas and hydrogen alternatives

Bakkaloglu, Semra; Hawkes, Adam

doi:10.1039/d3ee02516k

Energy Environ. Sci.

2024

DOI: 10.1039/d3ee02516k

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A comparative study of biogas and biomethane with natural gas and hydrogen alternatives

Semra Bakkaloglu,

Adam Hawkes

Abstract: Biogas and biomethane are renewable fuels that can help to reduce greenhouse gas (GHG) emissions. The upstream, midstream (gas production), and downstream segments of the biogas and biomethane supply chain are shown in the upper figure, all alternative processes are illustrated in the lower figure.

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Cited by 11 publications

References 54 publications

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Synergetic Combination of Bio‐Electrolytes and Bio‐Fluidic Channels as a Novel Resource of Sustainable Energy

Nath,

Bora,

Gogoi

et al. 2024

Adv Funct Materials

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Exploration for sustainable energy resources is essential to minimize the dependence on fossil fuels and to improve environmental parameters. Here, the possibility of utilizing bio‐waste‐derived electrolytes as an electrical energy resource by placing them across semipermeable membranes prepared through parallel stacking of coir fibers is examined. The nanofluidic membrane (d‐CF‐V) prepared by modifying the inner walls of the bio‐fluidic channels with atomically thin layers of vanadium pentoxide (VO) shows excellent perm‐selectivity (t+ = 0.87, with 1000‐fold concentration difference) and electricity conversion efficiency (≈ 28.2%). With simulated sea and river water, the d‐CF‐V yields output energy up to 2.4 W m−2, similarly with mineral acid bases (0.5 m HCl and 0.01 m NaOH), the d‐CF‐V shows an energy output of 11.8 W m−2. The sun‐dried Garcinia morella (Kuji thekera), and charred peels of Musa balbisiana (banana) are used as sustainable sources of bio‐electrolytes, which in combination with permselective d‐CF‐V yielded a power density of ≈1.4 W m−2. By replacing standard Ag/AgCl electrodes with nanomaterials exhibiting contrasting charge transfer activities, oxidized carbon nanotube membrane (o‐CNT) and polyaniline (PANI) membrane the output voltage is enhanced from –127 to –568 mV and current output is increased from 10.2 to 51.5 µA.

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Synergetic Combination of Bio‐Electrolytes and Bio‐Fluidic Channels as a Novel Resource of Sustainable Energy

Nath,

Bora,

Gogoi

et al. 2024

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

Anaerobic digestion of agricultural waste for biogas production and sustainable bioenergy recovery: a review

Alengebawy,

Ran,

Osman

et al. 2024

Environ Chem Lett

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Anaerobic digestion constitutes a sustainable method for waste management and renewable energy generation, addressing significant environmental and societal challenges. The growing global waste crisis and the increasing momentum toward sustainable energy solutions emphasize the critical need to enhance anaerobic digestion technology for improved efficiency and environmental advantages. This process mitigates waste accumulation, enhances energy security, and reduces greenhouse gas emissions, providing a feasible solution within the framework of a circular bioeconomy. Here, we review the principles of anaerobic digestion and biogas production, focusing on agricultural waste and the utilization of biogas for energy within a sustainable framework. We specifically explore biogas applications in rural and industrial settings, assess the environmental impacts, and discuss the regulatory landscape with insights from China and Europe. This study reveals that the strategic implementation of anaerobic digestion can markedly improve energy yield and sustainability, demonstrating how focused policies and advanced technological practices can optimize biogas utilization. The review enhances comprehension of environmental impacts, emphasizing insights from China and Europe as key examples.

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MaiaSpace: Sustainability applied to the development of a semi-reusable solution for space mobility

Vila,

Ott,

Hassin

et al. 2025

Acta Astronautica

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A comparative study of biogas and biomethane with natural gas and hydrogen alternatives

Cited by 11 publications

References 54 publications

Synergetic Combination of Bio‐Electrolytes and Bio‐Fluidic Channels as a Novel Resource of Sustainable Energy

Synergetic Combination of Bio‐Electrolytes and Bio‐Fluidic Channels as a Novel Resource of Sustainable Energy

Anaerobic digestion of agricultural waste for biogas production and sustainable bioenergy recovery: a review

MaiaSpace: Sustainability applied to the development of a semi-reusable solution for space mobility

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