Effect of pyrolysis temperature and catalyst on production of bio-oil and bio-char from avocado seeds

Effect of pyrolysis temperature and catalyst on production of bio-oil and bio-char from avocado... The slow pyrolysis of avocado seeds (Persea americana) was performed in a fixed-bed tubular reactor with (KOH, Al2O3) and without a catalyst, at three temperatures ranging from 400 to 600 °C, with heating rates of 50 °C/min. The amounts of bio-char, bio-oil and gas produced, as well as the compositions of the resulting bio-oils, were determined by GC–MS and FT-IR. The influences of pyrolysis parameters, such as temperature and catalysts, on product yields were subsequently investigated. Both temperature and catalysts were determined to be the main factors affecting the conversion (liquid+gas products) of avocado seeds into solid, liquid and gaseous products. The highest liquid yield (37.5 %) including water was obtained using 10 % KOH catalyst at 600 °C at a heating rate of 50 °C/min when employing 0.224 > Dp > 0.150 mm particle size raw material and a 100 cm3/min sweeping gas flow rate. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Effect of pyrolysis temperature and catalyst on production of bio-oil and bio-char from avocado seeds

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Publisher
Springer Netherlands
Copyright
Copyright © 2014 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-014-1878-0
Publisher site
See Article on Publisher Site

Abstract

The slow pyrolysis of avocado seeds (Persea americana) was performed in a fixed-bed tubular reactor with (KOH, Al2O3) and without a catalyst, at three temperatures ranging from 400 to 600 °C, with heating rates of 50 °C/min. The amounts of bio-char, bio-oil and gas produced, as well as the compositions of the resulting bio-oils, were determined by GC–MS and FT-IR. The influences of pyrolysis parameters, such as temperature and catalysts, on product yields were subsequently investigated. Both temperature and catalysts were determined to be the main factors affecting the conversion (liquid+gas products) of avocado seeds into solid, liquid and gaseous products. The highest liquid yield (37.5 %) including water was obtained using 10 % KOH catalyst at 600 °C at a heating rate of 50 °C/min when employing 0.224 > Dp > 0.150 mm particle size raw material and a 100 cm3/min sweeping gas flow rate.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Nov 29, 2014

References

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