The slow pyrolysis of pomegranate seeds: The effect of temperature on the product yields and bio-oil properties

The slow pyrolysis of pomegranate seeds was carried out at 400, 500, 600 and 800 °C. The effect of temperature on the product distribution was discussed. The maximum liquid yields were obtained at the temperatures of 500 and 600 °C. The gaseous products from the pyrolysis of pomegranate seeds contai...

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Bibliographic Details
Published in:Journal of analytical and applied pyrolysis 2009-03, Vol.84 (2), p.151-156
Main Authors: Uçar, Suat, Karagöz, Selhan
Format: Article
Language:English
Subjects:
Bio-oils
Biomass
Pomegranate seed
Pyrolysis
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Summary:The slow pyrolysis of pomegranate seeds was carried out at 400, 500, 600 and 800 °C. The effect of temperature on the product distribution was discussed. The maximum liquid yields were obtained at the temperatures of 500 and 600 °C. The gaseous products from the pyrolysis of pomegranate seeds contained CO 2, CO, CH 4 as well as hydrocarbons from C 2 to C 7 and H 2S. The major gas product was CO 2. Identification of bio-oil components was done by gas chromatography/mass spectrometry (GC–MS). Phenols and alkyl-benzenes were prominent in bio-oils obtained at all tested temperatures. The boiling point distributions of hydrocarbons in bio-oils at 400, 500, 600 and 800 °C were found to be similar. The total non-aromatic hydrocarbons were higher than that of aromatic hydrocarbons in water fractions for all pyrolysis temperatures. Bio-chars produced from pomegranate seeds are carbon rich fuels with high bulk densities and calorific values.
ISSN:0165-2370
1873-250X
DOI:10.1016/j.jaap.2009.01.005