Pyrolysis decomposition of mahogony seeds (Swietenia macrophylla) for alternative fuel oil

Joardder, Mohammad Uzzal Hossain, Uddin, Md. Shazib, & Kader, Md. Abdul (2010) Pyrolysis decomposition of mahogony seeds (Swietenia macrophylla) for alternative fuel oil. In International Conference on Mechanical, Industrial and Energy Engineering 2010, Khulna, Bangladesh.

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A fixed bed pyrolysis has been designed and fabricated for obtaining liquid fuel from Mahogany seeds. The major components of the system are fixed bed pyrolysis reactor, liquid condenser and liquid collectors. The Mahogany seed in particle form is pyrolysed in an externally heated 10 cm diameter and 36 cm high fixed bed reactor with nitrogen as the carrier gas. The reactor is heated by means of a biomass source cylindrical heater from 450oC to 600oC. The products are oil, char and gas. The reactor bed temperature, running time and feed particle size are considered as process parameters. A maximum liquid yield of 54wt% of biomass feed is obtained with particle size of 1.18 mm at a reactor bed temperature of 5500C with a running time of 90 minutes. The oil is found to possess favorable flash point and reasonable density and viscosity. The higher calorific value is found to be 39.9 MJ/kg which is higher than other biomass derived pyrolysis oils.

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ID Code: 53485
Item Type: Conference Paper
Refereed: Yes
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 2010 Please consult the authors.
Deposited On: 06 Sep 2012 05:11
Last Modified: 08 Oct 2012 04:54

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