Conversion of De-oiled Castor Seed Cake into Bio-oil and Carbon Adsorbents

Castor seed cake is the byproduct of castor seeds with cold pressing. This bio-waste was used as a raw material for the production of bio-oil and activated carbons through pyrolysis. De-oiled castor seed cake was pyrolyzed at various temperatures for various durations to find out the optimal tempera...

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Bibliographic Details
Published in:Energy sources. Part A, Recovery, utilization, and environmental effects Recovery, utilization, and environmental effects, 2015-01, Vol.37 (24), p.2617-2624
Main Authors: Aldobouni, I. A., Fadhil, A. B., Saied, I. K.
Format: Article
Language:English
Subjects:
Activated carbon
activated carbons
analysis of bio-oil
bio-oil
Cakes
Carbon
Casters
Columns (structural)
Combustion
de-oiled castor seed cake
fuel properties
Pyrolysis
Seeds
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Summary:Castor seed cake is the byproduct of castor seeds with cold pressing. This bio-waste was used as a raw material for the production of bio-oil and activated carbons through pyrolysis. De-oiled castor seed cake was pyrolyzed at various temperatures for various durations to find out the optimal temperature and duration for the pyrolysis. The highest bio-oil yield (63% w/w) was obtained at 400°C for 60 min. The ultimate analysis and the fuel properties for the produced bio-oil were determined. Fourier transform infra-red spectroscopy and fractionation using column adsorption chromatography for bio-oil were also conducted. The results showed that the properties of bio-oil were similar to those reported in the literature. The pyrolysis char was converted into activated carbons of micro-porous structure.
ISSN:1556-7036
1556-7230
DOI:10.1080/15567036.2012.733482