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Biomass and Bioenergy Industrial Energy Efficiency Sustainability Wood Chemistry Open Access Journal article

Process Design and Optimisation of Parameters for the Production of Energy from Wood Biomass via Pyrolysis

Ilesanmi Afolabi Daniyan, Ikenna Damian Uchegbu, Joanna Agha John, Funmilayo Deborah Adewumi, Humbulani Simon Phuluwa

16 January 2026 · Defect and diffusion forum/Diffusion and defect data, solid state data. Part A, Defect and diffusion forum

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Abstract

The potential for biomass as an alternative source of energy is being studied widely. In this study, process flow design is done to analyse the pyrolysis of biomass and its products and how energy can be generated from its products. The energy used per process is calculated and the heat required in the processes were also calculated. The optimization of process parameters for the production of energy from wood biomass via pyrolysis was conducted using the Response Surface Methodology (RS) in the Design Expert 2022 environment using the following range of process parameters: temperature (400-1000°C), vapour residence time (5-30 min) and particle size (0.5-2.0 mm). The feasible combination of process parameters from the design of experiment was validated via physical experimentation having three responses namely: yield of char, yield of biofuel and yield of syngas. The designed experiments and corresponding outcomes produced three predictive models for estimating the yields of char, biofuel and syngas as a function of temperature, vapour residence time and particle size. The results obtained indicated that low temperature favours the formation of biochar while moderate temperature favours the formation of biofuel and the production of syngas is favoured by elevated temperature. The optimal values of process parameters and responses obtained include: temperature (642.271 °C), vapour residence time (6.248 min), particle size (0.603 mm), yield of char (71.9%), yield of biofuel (71.9%) and yield of syngas (76.5%). This study adds to the literature on the pyrolysis process for the conversion of wood biomass to energy. It also contributes to the fields of renewable and sustainable energy generation. Keywords: Biomass, biofuel, char, renewable and sustainable energy, RSM, syngas

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