Progress in biomass torrefaction: Principles, applications ...
2021-1-1u2002·u2002In recent years, torrefaction is a fast-developed technology to produce solid biofuel (biochar) or sustainable materials for several applications. For the utilization of solid fuels such as coal, biomass, and biochar, self-heating is a serious problem due to the safety concern of producers and users [ 331, 332 ].
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