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http://dx.doi.org/10.14478/ace.2016.1104

Numerical Study on the Evaporation Characteristics of Biocrude-oil Produced by Fast Pyrolysis  

Choi, Sang Kyu (Environmental and Energy Systems Research Division, Korea Institute of Machinery & Materials)
Choi, Yeon Seok (Environmental and Energy Systems Research Division, Korea Institute of Machinery & Materials)
Kim, Seock Joon (Environmental and Energy Systems Research Division, Korea Institute of Machinery & Materials)
Han, So Young (Environmental and Energy Systems Research Division, Korea Institute of Machinery & Materials)
Publication Information
Applied Chemistry for Engineering / v.27, no.6, 2016 , pp. 646-652 More about this Journal
Abstract
Biomass is regarded as one of the promising energy sources to deal with the depletion of fossil fuels and the global warming issue. Biocrude-oil can be produced through the fast pyrolysis of biomass feedstocks such as wood, crops, agricultural and forestry residues. It has significantly higher viscosity than that of conventional petroleum fuel and contains solid residues, which can lower the spray and atomization characteristics when applied to the burner. In addition, biocrude-oil consists of hundreds of chemical species derived from cellulose, hemicellulose and lignin, and evaporation characteristics of the biocrude-oil droplet are distinct from the conventional fuels. In the present study, a numerical study was performed to investigate the evaporation characteristics of biocrude-oil droplet using a simplified composition of the model biocrude-oil which consists of acetic acid, levoglucosan, phenol, and water. The evaporation characteristics of droplets were compared at various surrounding air temperatures, initial droplet diameters, and ethanol mixing ratios. The evaporation time becomes shorter with increasing air temperature, and it is much sensitive to the air temperature particularly in low temperature ranges. It was also found that the biocrude-oil droplet evaporates faster in cases of the smaller initial droplet diameter and larger ethanol mixing ratio.
Keywords
biocrude-oil; droplet; evaporation; simulation; ethanol;
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  • Reference
1 Y. Solantausta, N. O. Nylund, and S. Gust, Use of pyrolysis oil in a test diesel engine to study the feasibility of a diesel power plant concept, Biomass Bioenergy, 7, 297-306 (1994).   DOI
2 A. Shihadeh and S. Hochgreb, Diesel engine combustion of biomass pyrolysis oils, Energy Fuels, 14, 260-274 (2000).   DOI
3 V. Stamatov, D. Honnery, and J. Soria, Combustion properties of slow pyrolysis biooil produced from indigenous Australian species, Renew. Energy, 31, 2108-2121 (2006).   DOI
4 D. Nguyen and D. Honnery, Combustion of bio-oil ethanol blends at elevated pressure, Fuel, 87, 232-243 (2008).   DOI
5 J. L. Zheng and Y. P. Kong, Spray combustion properties of fast pyrolysis bio-oil produced from rice husk, Energy Convers. Manag., 51, 182-188 (2010).   DOI
6 T. Tzanetakis, N. Farra, S. Moloodi, W. Lamont, A. McGrath, and M. J. Thomson, Spray combustion characteristics and gaseous emissions of a wood derived fast pyrolysis liquid-ethanol blend in a pilot stabilized swirl burner, Energy Fuels, 24, 5331-5348 (2010).   DOI
7 J. A. Martin and A. A. Boateng, Combustion performance of pyrolysis oil/ethanol blends in a residential-scale oil-fired boiler, Fuel, 133, 34-44 (2014).   DOI
8 S. K. Choi, Y. S. Choi, S. J. Kim, and Y. W. Jeong, Characteristics of flame stability and gaseous emission of biocrude-oil/ethanol blends in a pilot-scale spray burner, Renew. Energy, 91, 516-523 (2016).   DOI
9 P. M. Gavin, PROGRAM DROP: A Computer Program for Prediction of Evaporation from Freely Falling Multicomponent Drops, SAND96-2878, Sandia National Laboratories (1996).
10 W. E. Ranz and W. R. Marshall, Jr., Evaporation from Drops - Part I, Chem. Eng. Prog., 48, 141-146 (1952).
11 S. Czernik and A. V. Bridgwater, Overview of applications of biomass fast pyrolysis oil, Energy Fuels, 18, 590-598 (2004).   DOI
12 L. Qiang, L. Wen-Zhi, and Z. Xi-Feng, Overview of fuel properties of biomass fast pyrolysis oils, Energy Convers. Manag., 50, 1376-1383 (2009).   DOI
13 A. V. Bridgwater, Review of fast pyrolysis of biomass and product upgrading, Biomass Bioenergy, 38, 68-94 (2012).   DOI
14 B. M. Wagenaar, W. Prins, and W. P. M. Van Swaaij, Pyrolysis of biomass in the rotating cone reactor: modelling and experimental justification, Chem. Eng. Sci., 49, 5109-5126 (1994).   DOI
15 L. Ingram, D. Mohan, M. Bricka, P. Steele, D. Strobel, D. Crocker, et al., Pyrolysis of wood and bark in an auger reactor: physical properties and chemical analysis of the produced bio-oils, Energy Fuels, 22, 614-625 (2008).   DOI
16 A. R. Fernandez-Akarregi, J. Makibar, G. Lopez, M. Amutio, and M. Olazar, Design and operation of a conical spouted bed reactor pilot plant (25 kg/h) for biomass fast pyrolysis, Fuel Process. Technol., 112, 48-56 (2013).   DOI
17 Y. S. Choi, S. K. Choi, and Y. W. Jeong, Development of a tilted- slide reactor for the fast pyrolysis of biomass, Environ. Prog. Sustain. Energy, 33, 1405-1410 (2014).
18 M. J. Wornat, B. G. Porter, and N. Y. C. Yang, Single droplet combustion of biomass pyrolysis oils, Energy Fuels, 8, 1131-1142 (1994).   DOI
19 W. E. Ranz and W. R. Marshall, Jr., Evaporation from Drops - Part II, Chem. Eng. Prog., 48, 173-180 (1952).
20 C. K. Law, Combustion Physics, 214-217, Cambridge University Press, NY, USA (2006).
21 C. R. Shaddix and D. R. Hardesty, Combustion Properties of Biomass Flash Pyrolysis Oils, SAND99-8238, Sandia National Laboratories (1999).
22 J. D'Alessio, M. Lazzaro, P. Massoli, and V. Moccia, Thermo-optical investigation of burning biomass pyrolysis oil droplets, in: Twenty-seventh Symposium (International) on Combustion, pp. 1915-1922 (1998).
23 D. Chiaramonti, A. Oasmaa, and Y. Solantausta, Power generation using fast pyrolysis liquids from biomass, Renew. Sustain. Energy Rev., 11, 1056-1086 (2007).   DOI
24 A. Oasmaa, M. Kyto, and K. Sipila, Pyrolysis oil combustion tests in an industrial boiler, In: A.V. Bridgwater (Ed.), Progress in Thermochemical Biomass Conversion, 1468-1481, Blackwell Science, Oxford, U.K. (2001).
25 G. Lopez Juste and J. J. Salva Monfort, Preliminary test on combustion of wood derived fast pyrolysis oils in a gas turbine combustor, Biomass Bioenergy, 19, 119-128 (2000).   DOI
26 R. Strenziok, U. Hansen, and H. Kunstner, Combustion of bio-oil in a gas turbine, In: A.V. Bridgwater (Ed.), Progress in Thermochemical Biomass Conversion, 1452-1458, Blackwell Science, Oxford, U.K. (2001).