Brewer’s spent grains as biofuels in combustion-based energy recovery processes: Evaluation of thermo-oxidative decomposition

[Display omitted] •Low ash yield and high calorific value were demonstrated for BSGs.•Thermo-oxidative decomposition of BSGs comprised two main stages.•The apparent Ea for these stages was 190–200 and 100–150 kJ·mol−1.•Stage I involved random nucleation and Stage II, 3D diffusion models.•BSGs can be...

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