Gasification of Biowaste Based on Validated Computational Simulations: A Circular Economy Model to Handle Poultry Litter Waste

نویسندگان

چکیده

Abstract Converting waste biomass resources through downdraft gasification can generate a producer gas for combined heat and power unit. The study includes feedstock analysis, process modelling using ECLIPSE simulation software, experimental analysis of materials in pilot-scale fixed-bed gasifier. Anaerobic digestate miscanthus were investigated comparing the potential poultry litter as an energy source. Models validated applied to case based on typical farm Northern Ireland.; Results found with lower heating value up 4.15 MJ/Nm 3 be generated. Sufficient is generated on-site produce required electricity each shed, allowing switch from fossil fuels local renewable resource addressing disposal issue.; Downdraft coupled cogeneration could have payback period 4–5 years given correct conditions. net present positive all technologies considered (i.e. internal combustion engine Organic Rankine cycle unit) under different subsidies, showing economic viability solution. break-even selling price than current grid (£120/MWh) when incentives such as: (i) avoiding cost £30/tonne, (ii) biochar by-product at £200/tonne (iii) fuel displacement costs 1.5p/kWh are considered. Graphical abstract

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ژورنال

عنوان ژورنال: Waste and Biomass Valorization

سال: 2022

ISSN: ['1877-2641', '1877-265X']

DOI: https://doi.org/10.1007/s12649-022-01815-9