Impact of Biomass Blends on the Behaviour of the Reduction Zone in a Downdraft Gasifier

V. Christus Jeya Singh(1*), S. Joseph Sekhar(2), K. Thyagarajan(3)

(1) St.Xavier's Catholic College of Engineering,Nagercoil,Tamilnadu, India
(2) St. Xavier’s Catholic College of Eng., Nagercoil, T.Nadu, India,629003., India
(3) Department of Mechanical Engineering, Ponjesly College of Engineering, Anna University, Chennai, Tamilnadu, India., India
(*) Corresponding author


DOI's assignment:
the author of the article can submit here a request for assignment of a DOI number to this resource!
Cost of the service: euros 10,00 (for a DOI)

Abstract


Biomass gasification through thermochemical conversion principle has emerged as a promising technology to fulfil the need of decentralized heat and power applications. Since quality and quantity of the various biomasses available in remote areas are not the same, proper study on the behaviour of gasifier with biomass blends is needed for the possible use of various bio-energy resources in a region. In a biomass gasifier, the reduction zone plays a vital role in the conversion of biomass to combustible gases. Hence, in this paper a two zone kinetic equilibrium model approach is used for predicting the composition and temperature of producer gas along the length of reduction zone of a 50 kW downdraft gasifier. The influence of equivalence ratio and composition of biomass blends on the temperature, species concentration and quality of producer gas are studied from analytical and experimental methods. The study shows that the combination of biomass blends influences the performance of the reduction zone. It is also observed that the reaction rate is high in the reduction zone when the equivalence ratio is increased above 0.3; however the maximum combustible gas composition is obtained when the equivalence ratio is close to 0.2
Copyright © 2014 Praise Worthy Prize - All rights reserved.

Keywords


Biomass Blend; Reduction Zone; Kinetic Model; Equivalence Ratio; Species Concentration

Full Text:

PDF


References


N. H. Ravindranath, H. I. Somashekar, M. S. Nagaraja, P. Sudha, G. Sangeetha, S. C. Bhattacharya, Assessment of Sustainable Non-Plantation Biomass Resources Potential for Energy in India, Biomass and Bioenergy, Vol. 29, pp.178–90, 2005.

R. Chowdhury, M. Chakravarty, P. Bhattacharya, Modelling and Simulation of an Updraft Moving Bed Gasifier using Rice Husk as Fuel Material, International Journal of Energy Research, Vol. 15, n.7, pp. 593–602, 2007.

P. R. Krishnamoorthy, S. Seetharamu, M. S. Bhatt, Development of a Novel Updraft Multi-fuel Biomass Gasifier, International Journal of Energy Research, Vol. 15, n.5, pp. 377–390, 2007.

P. Mc Kendry, Energy Production from Biomass (part 3): Gasification Technologies, Bioresource Technology; Vol. 83, pp. 55–63, 2002.

J.M.F.Johnson, A.J.Franzluebbers,S. L. Weyers, D.C. Reicosky, Agricultural Opportunities to Mitigate Greenhouse Gas Emissions, Environmental Pollution,Vol. 150, pp. 107–24, 2007.

K. B. Cantrell, T. Ducey, K. S. Ro, P. G. Hunt, Livestock Waste-to-Bioenergy Generation Opportunities, Bioresource Technology, Vol. 99, pp. 7941–53, 2008.

Prabir Basu, Biomass Gasification and Pyrolysis Practical Design and Theory (Elsevier, Oxford, UK, 2010).

C. R. Altafini, P. R. Wander, R. M. Barreto, Prediction of the Working Parameters of a Wood Waste Gasifier through an Equilibrium Model, Energy Conversion and Management, Vol. 44, pp. 2763–77, 2003.

S. Jarungthammachote, A. Dutta, Thermodynamic Equilibrium Model and Second Law Analysis of a Downdraft Waste Gasifier, Energy, Vol. 32, pp.1660–9, 2007.

A.K. Sharma, Equilibrium Modeling of Global Reduction Reactions for a Downdraft (biomass) Gasifier, Energy Conversion and Management, Vol. 49, pp.832–42, 2008.

Z. A. Zainal, R. Ali, C. H. Lean, K. N. Seetharamu, Prediction of Performance of a Downdraft Gasifier using Equilibrium Modeling for Different Biomasses, Energy Conversion and Management, Vol. 42, pp. 1499–515, 2001.

Y.Wang, C. M. Kinoshita, Kinetic Model of Biomass Gasification, Solar Energy, Vol. 51, pp. 19–25, 1993.

D. L. Giltrap, R. McKibbin, G. R. G. Barnes, A Steady State Model of Gas–char Reactions in a Downdraft Gasifier, Solar Energy, Vol. 74, pp. 85–91, 2003.

K. Sharma, Equilibrium and Kinetic Modeling of Char Reduction Reactions in a Downdraft Biomass Gasifier: a Comparison, Solar Energy, Vol. 82, pp. 918–28, 2008.

T. H. Jayah, L. Aye, R. J. Fuller, D. F. Stewart, Computer Simulation of a Downdraft Wood Gasifier for Tea Drying, Biomass and Bioenergy, Vol. 25, pp. 459–69, 2003.

D. T. Pedroso, R. C. Aiello, L. Conti, S. Mascia, Biomass Gasification on a New Really Tar Free Downdraft Gasifier, Revista Ciencias Exatas Taubate, Vol. 11, pp. 59–62, 2005.

K. J. Singh, S. S. Sooch, Comparative Study of Economics of Different Models of Family Size Biogas Plants for State of Punjab, India, Energy Conversion and Management, Vol. 45, pp. 329–41, 2004.

T.H. Jayah, Evaluation of a Downdraft Wood Gasifier for Tea Manufacturing in Sri Lanka, M.S. Thesis, The University of Melbourne, 2002.

Buljit Buragohain, Pinakeswar Mahanta and S. Vijayanand Moholkar, Investigations in Gasification of Biomass Mixtures using Thermodynamic Equilibrium and Semi–Equilibrium MODELS, Energy and Environment, Vol. 2, n. 3, pp. 551-578, 2011.

Prokash C. Roy, Amitava Datta, Niladri Chakraborty, Assessment of Cow Dung as a Supplementary Fuel in a Downdraft Biomass Gasifier, Renewable Energy, Vol. 35, pp. 79-386, 2010.

Gimelli, A., Luongo, A., Amoresano, A., Experimental data and thermodynamic analysis of biomass steam power plant with two different configurations plant, (2012) International Review of Mechanical Engineering (IREME), 6 (6), pp. 1109-1116.

Ningbo Gao, Aimin Li., Modeling and Simulation of Combined Pyrolysis and Reduction Zone for a Downdraft Biomass Gasifier, Energy Conversion and Management, Vol.49, pp. 3483-3490, 2008.

P. C. Roy, A. Datta, N. Chakraborty, Modeling of a Down-draft Biomass Gasifier with Finite Rate Kinetics in the Reduction Zone, International Journal of Energy Research, in press. doi: 10.1002/er.1517.

Melgar, J. F. Perez, H. Laget, A. Horillo, Thermochemical Equilibrium Modeling of a Gasifying Process, Energy Conversion and Management 2007; 48:59–67.

M. Vaezi, M. Passandideh-Fard, M. Moghiman, M. Charmchi, Modeling Biomass Gasification: A New Approach to Utilize Renewable Sources of Energy, ASME International Mechanical Engineering Congress and Exposition, USA, 2008.

M. W. Chase, JANAF Thermochemical Tables. (Third Edition, American Chemical Society and the American Institute of Physics, 1986).

Herwig, H., Second law analysis of momentum and heat transfer problems: Guidelines for future research directions, (2010) International Review of Mechanical Engineering (IREME), 4 (5), pp. 488-490.

B. V Babu, P. N. Sheth, Modeling and Simulation of Reduction Zone of Downdraft Biomass Gasifier: Effect of Char Reactivity Factor, Energy Conversion and Management; Vol. 47, pp.2602–11, 2006.

Amoresano, A., de Sio, P., Langella, G., Meo, S., Biomass and solar integration in low enthalpy geothermal plants, (2013) International Review on Modelling and Simulations (IREMOS), 6 (3), pp. 981-987.

Shishebori, A., Javadi, M.S., Taki, F., Generation simulation in energy and reserve market and their economic analysis in Iran, (2011) International Review on Modelling and Simulations (IREMOS), 4 (2), pp. 843-850.

Giglioli, R., Poli, D., Small-scale biomass-fired cogeneration, pellet production or district heating: New criteria for selecting the most profitable solution, (2013) International Review on Modelling and Simulations (IREMOS), 6 (3), pp. 782-794.


Refbacks

  • There are currently no refbacks.



Please send any question about this web site to info@praiseworthyprize.com
Copyright © 2005-2021 Praise Worthy Prize