Fixed bed pyrolysis of pulm seed waste for liquid oil production

Islam, M. Nurul, Joardder, Mohammad Uzzal Hossain, Parvez, Md. Masud, & Deb, Nayan Kanti (2010) Fixed bed pyrolysis of pulm seed waste for liquid oil production. In The 7th Jordanian International Mechanical Engineering Conference (JIMEC’7), 27 - 29 September 2010, Grand Hyatt Amman, Amman, Jordan.

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Abstract

Among various thermo-chemical conversion processes, pyrolysis is considered as an emerging technology for liquid oil production. The conversion of biomass waste in the form of plum seed into pyrolysis oil by fixed bed pyrolysis reactor has been taken into consideration in this study. A fixed bed pyrolysis has been designed and fabricated for obtaining liquid fuel from this plum seeds. The major component of the system are fixed bed pyrolysis reactor, liquid condenser and liquid collectors. The plum seed in particle form is pyrolysed in an externally heated 7.6 cm diameter and 46 cm high fixed bed reactor with nitrogen as the carrier gas. The reactor is heated by means of a biomass source cylindrical heater from 4000C to 6000C. The products are oil, char and gas. The reactor bed temperature, running time and feed particle size are considered as process parameters. The parameters are found to influence the product yield significantly. A maximum liquid yield of 39 wt% of biomass feed is obtained with particle size of 2.36-4.75 mm at a reactor bed temperature of 520oC with a running time of 120 minutes. The pyrolysis oil obtained at this optimum process conditions are analyzed for some fuel properties and compared with some other biomass derived pyrolysis oils and conventional fuels. The oil is found to possess favorable flash point and reasonable density and viscosity. The higher calorific value is found to be 22.39 MJ/kg which is higher than other biomass derived pyrolysis oils.

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ID Code: 53487
Item Type: Conference Paper
Keywords: Renewable energy; Pyrolysis oil; Fixed bed; Plum seeds
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 [please consult the author]
Deposited On: 06 Sep 2012 02:44
Last Modified: 08 Oct 2012 19:32

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