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Dry torrefaction is a mild pyrolysis process carried out in anoxic atmospheres between temperature ranges of 200?C and 300?C. It is used as a pretreatment of biomass as it improves its characteristics and reduces the biomass limitations of usage by reducing its hygroscopy, increasing its energy value, etc. Due to its favorable effects, a torrefaction process has been carried out using Malaysian oil palm wastes (empty fruit bunches, mesocarp fiber and kernel shell), at two different temperatures (250?C and 300?C) l...