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Design and construction of fixed bed pyrolysis system and plum seed pyrolysis for bio-oil production

Uddin, Md. Shazib, Joardder, Mohammad Uzzal Hossain, & Islam, M. Nurul (2012) Design and construction of fixed bed pyrolysis system and plum seed pyrolysis for bio-oil production. International Journal of Advanced Renewable Energy Research, 1(7), pp. 405-409.

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Abstract

This work investigated the production of bio oil from plum seed (Zyziphus jujuba) by fixed bed pyrolysis technology. A fixed bed pyrolysis system has been designed and fabricated for production of bio oil. The major components of the system are: fixed bed reactor, liquid condenser and liquid collector. Nitrogen gas was used to maintain the inert atmosphere in the reactor where the pyrolysis reaction takes place. The feedstock considered in this study is plum seed as it is available waste material in Bangladesh. The reactor is heated by means of a cylindrical biomass external heater. Rice husk was used as the energy source. The products are oil, char and gas. The parameters varied are reactor bed temperature, running time and feed particle size. The parameters are found to influence the product yields significantly. The maximum liquid yield of 39 wt% at 5200C for a feed particle size of 2.36-4.75 mm and a gas flow rate of 8 liter/min with a running time of 120 minute. The pyrolysis oil obtained at these optimum process conditions are analyzed for some of their properties as an alternative fuel. The density of the liquid was closer with diesel. The viscosity of the plum seed liquid was lower than that of the conventional fuels. The calorific value of the pyrolysis oil is one half of the diesel fuel.

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ID Code: 53455
Item Type: Journal Article
Keywords: Energy crisis, Renewable energy, Biomass resources, Pyrolysis technology, bio-oil
ISSN: 2251-9408
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Energy Generation Conversion and Storage Engineering (091305)
Divisions: Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2012 The Authors
Deposited On: 04 Sep 2012 09:48
Last Modified: 05 Sep 2012 16:37

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