Hydrogen rich syngas production through sewage sludge pyrolysis: A comprehensive experimental investigation and performance optimisation using statistical analysis

Shivaprasad, Kumar Vijayalakshmi; Heslop, Jonathan; Roy, Dibyendu; Malik, Abdullah; Wang, Yaodong; Roskilly, Anthony Paul; Bao, Huashan

doi:10.1016/j.psep.2024.04.071

Process Safety and Environmental Protection

2024

DOI: 10.1016/j.psep.2024.04.071

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Hydrogen rich syngas production through sewage sludge pyrolysis: A comprehensive experimental investigation and performance optimisation using statistical analysis

Kumar Vijayalakshmi Shivaprasad,

Jonathan Heslop,

Dibyendu Roy

et al.

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Cited by 4 publications

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Towards an eco-social circular economy: exploring the feasibility study of pyrolysis on agricultural feedstocks

Allison,

Shivaprasad,

Malik

et al. 2024

Biomass Conv. Bioref.

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The agricultural sector is challenging to decarbonise due to its reliance on heavy machinery and fossil fuels, which face issues when decarbonising via methods such as electrification. However, agriculture provides opportunities to generate renewable energy via biomass sources due to their abundance within this sector. This feasibility study used a continuous auger pyrolysis system to assess how straw waste from a medium-scale arable farm could convert energy from an external electrical source into usable chemical potential. Wheat, barley, oil seed rape (OSR), and bean straw have all been processed and pyrolysed under different temperatures and auger feed rates. The syngas product was then analysed, considering its composition and the lower heating value. Results indicate that the percentage of carbon monoxide and hydrogen and the total volume of syngas increased with temperature. In addition, the syngas’ energy quantity increased despite the product’s decreasing heating value. The case study’s annual energy demand was equal to 14.4% of the 3900 GJ maximum potential contained within the syngas, and thus it can be concluded that there is potential for the application of this system towards a circular economy. The system’s cold gas, net, and electrical conversion efficiency were also assessed with maximum values of 37.1%, 30.1%, and 174.4%, respectively. Furthermore, the statistical analysis confirms high predictability for wheat, barley, bean, and OSR feedstocks, with a general linear model showing high accuracy across all.

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Towards an eco-social circular economy: exploring the feasibility study of pyrolysis on agricultural feedstocks

Allison,

Shivaprasad,

Malik

et al. 2024

Biomass Conv. Bioref.

View full text Add to dashboard Cite

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The impact of H2 and O2 enrichment on the laminar combustion characteristics of biomass syngas flame

Zhang,

Chen,

Zhi

et al. 2024

International Journal of Hydrogen Energy

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Co-pyrolysis of rubber seed oil and industrial hemp stem: Asym2sig deconvolution, thermal behavior, synergistic reaction and kinetic

Du,

Hu,

Yang

et al. 2024

Industrial Crops and Products

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Hydrogen rich syngas production through sewage sludge pyrolysis: A comprehensive experimental investigation and performance optimisation using statistical analysis

Cited by 4 publications

References 28 publications

Towards an eco-social circular economy: exploring the feasibility study of pyrolysis on agricultural feedstocks

Towards an eco-social circular economy: exploring the feasibility study of pyrolysis on agricultural feedstocks

The impact of H2 and O2 enrichment on the laminar combustion characteristics of biomass syngas flame

Co-pyrolysis of rubber seed oil and industrial hemp stem: Asym2sig deconvolution, thermal behavior, synergistic reaction and kinetic

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