Process simulation of an integrated biomass torrefaction ...
2019-1-1u2002·u2002The dryer duty was 2.7 GJ Mg −1 of evaporated water, which was comparable to the reported data for rotary dryers . The rest of the input energy was lost through the dryer body and vent to the atmosphere. The calculated residence time for the dryer was less than 6 min, which is in the range of reported residence time for rotary dryers .
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