Pyrolysis of vegetable oil soaps—Palm, olive, rapeseed and castor oils

Saponified, palm, olive, rapeseed and castor oils were pyrolysed (at 750 °C for 20 s) by pyrolysis gas chromatography with mass selective and flame ionisation detection (Py-GC/MSD and FID) to clarify their thermochemical behaviours. The liquefiable compounds recovered from palm, olive and rapeseed o...

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Bibliographic Details
Published in:Journal of analytical and applied pyrolysis 2011, Vol.91 (1), p.154-158
Main Authors: Lappi, Hanna, Alén, Raimo
Format: Article
Language:English
Subjects:
alkanes
alkenes
Biofuel
biofuels
boiling
Castor oil
diesel fuel
gas chromatography-mass spectrometry
gasoline
ionization
ketones
kraft pulping
Olive oil
olives
Palm oil
petroleum
phenols
Pyrolysis
rapeseed
Rapeseed oil
reaction mechanisms
tall oil
vegetable oil
Vegetable oil soap
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Summary:Saponified, palm, olive, rapeseed and castor oils were pyrolysed (at 750 °C for 20 s) by pyrolysis gas chromatography with mass selective and flame ionisation detection (Py-GC/MSD and FID) to clarify their thermochemical behaviours. The liquefiable compounds recovered from palm, olive and rapeseed oils mainly contained linear alkenes (up to C 19) and alkanes (up to C 17), both similar to those found in gasoline (C 4–C 10) and diesel fuel (C 11–C 22) boiling range fractions of petroleum, whereas in the case of castor oil a significant amount of undesired oxygen-containing products (e.g., ketones and phenols) were formed. The obtained data on reaction mechanisms can also be utilised in applications where various biofuels are produced, for example, from the extractive-derived by-product (tall oil) of kraft pulping.
ISSN:0165-2370
1873-250X
DOI:10.1016/j.jaap.2011.02.003