2,5-Dimethylfuran (DMF), which can be made from cellulosic biomass, has been suggested as a possible liquid transportation fuel. DMF has 40% greater energy density by mass than ethanol based on HHV. DMF is C6H8O. Compare the LHV of dimethylfuran and ethanol on a weight and volume basis. Use the data in Table 2.4 for ethanol. The specific gravity of DMF is 0.9 TABLE 2.4Typical Properties of Automotive FuelsPropertyChemical formulaMolecular weightSpecific gravity at 16°CKinematic viscosity at 20°C (m²/s)Boiling point range (°C)Reid vapor pressure (kPa)Flash point (°C)Autoignition temp (°C)Octane No. (Research)Octane No. (Motor)Cetane No.Stoichiometric air-fuel ratio by weightCarbon content (wt%)Hydrogen content (wt%)Oxygen content (wt%)Heat of vaporization (kJ/kg)LHV (MJ/kg)AutomotiveGasolineC4 to C₁2100-1050.72-0.780.8 x 10-630-22548-69-4325788-9880-88<1514.785-8812-152.7-3.538043.5No. 2Diesel FuelCg to C₂5-2000.852.5 x 10-6210-235<260-80-31540-5514.78713037545EthanolC₂H, OH320.7941.4 x 10-7814813423109909.052.213.134.792028B100BiodieselC₁2 to C₂2-2920.88182-338<0.3100-17048-6513.8771211L42

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Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

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2,5-Dimethylfuran (DMF), which can be made from cellulosic biomass, has been suggested as a possible liquid transportation fuel. DMF has 40% greater energy density by mass than ethanol based on HHV. DMF is C6H8O. Compare the LHV of dimethylfuran and ethanol on a weight and volume basis. Use the data in Table 2.4 for ethanol. The specific gravity of DMF is 0.9