Far-infrared irradiation drying behavior of typical biomass briquettes

作者: N.N. Chen , M.Q. Chen , B.A. Fu , J.J. Song

DOI: 10.1016/J.ENERGY.2017.01.054

关键词: BiofuelEucalyptusSpecific energyBriquetteBiomassBioenergyMaterials sciencePulp and paper industryHeat transferBiomass briquettesWaste management

摘要: Abstract Infrared radiation drying behaviors of four typical biomass briquettes (populus tomentosa leaves, cotton stalk, spent coffee grounds and eucalyptus bark) were investigated based on a lab-scale setup. The effect source temperatures (100–200 °C) the far-infrared kinetics heat transfer samples was addressed. As temperature went up from 100 °C to 200 °C, time required for decreased by about 59–66%, average values increased 33–39 °C, while fluxes 3.3 times (3.7 only leaves). specific energy consumptions 0.622–0.849 kW h kg −1 . Modified Midilli model had better representing moisture ratio change briquettes. activation in first falling rate stage between 20.35 24.83 kJ mol , those second 17.89 21.93 kJ mol bark briquette two stages least one, that stalk less than rest

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