NDLI: Study on Condensation of Biomass Pyrolysis Gas by Spray Bio-Droplets

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Cheng, Wen-Long Xie, Kun Shi, Wen-Jing
Copyright Year	2012
Abstract	Bio-oil, produced from biomass feedstock like rice hull, straw, wood flour and other biomass wastes by fast pyrolysis where the biomass feedstock is heated and pyrolized with a rapid rate and the pyrolysis gases produced are condensed rapidly, is an interesting potential alternative fuel oil. Cooling rate of the biomass pyrolysis gas is an important factor effecting the production of bio-oil. In order to speed up the cooling rate, the high temperature biomass pyrolysis gas is cooled and condensed by spray droplets of produced bio-oil with low temperature in this paper. It was assumed that the chemical reactions among the components of pyrolysis gas can be ignored, a theoretical model based on the classic film model and the Maxwell-Stefan equation was presented to simulate the heat and mass transfer characteristics of the spray condensation of biomass pyrolysis gas. The effects of the initial pyrolysis gas temperatures, the initial bio-oil droplets temperatures and diameters, and the flow ration of the gas and the liquid droplets on the heat and mass transfer between the gas and the liquid droplets were analyzed by the model.
Sponsorship	Nanotechnology Institute
Starting Page	845
Ending Page	849
Page Count	5
File Format	PDF
ISBN	9780791854778
DOI	10.1115/MNHMT2012-75080
Conference Proceedings	ASME 2012 Third International Conference on Micro/Nanoscale Heat and Mass Transfer
Language	English
Publisher Date	2012-03-03
Publisher Place	Atlanta, Georgia, USA
Access Restriction	Subscribed
Subject Keyword	Pyrolysis Temperature Cooling Sprays Chemical reactions Feedstock Biomass High temperature Condensation Flow (dynamics) Mass transfer Hull Gases Heat Wood products Drops Fuel oils Low temperature
Content Type	Text
Resource Type	Article

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