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In this study, Tectona grandis was pyrolysed in a fixed-bed cylindrical-typed pyrolysis reactor for bio-oil production at a reaction temperature between 410 o C and 530 o C. The product yields were collected at an interval of 30 o C. The highest product yield occurred at 500 o C. Proximate and ultimate analyses were carried out using isoconversional methods and GC-MS respectively. The proximate analysis of the raw sample showed that the moisture content, volatile matter, fixed carbon and ash content were 6.4%, 77.94%, 14.4%, 1.26% respectively while ultimate analysis of the raw materials showed that the content of carbon, hydrogen, nitrogen, sulphur and oxygen were 49.85%, 4.47%, 0.65%, 0.52%, and 44.51% respectively. The ultimate analysis of bio-oil showed that the content of carbon, hydrogen, nitrogen, oxygen and sulphur were 43.56%, 6.25%, 0.62%, 48.89%, 0.68% respectively. The HHV and LHV of the bio-oil obtained were 35.65 MJkg -1 and 17.35 MJkg -1 respectively. The GC-MS analysis of the bio-oil of T. grandis showed the presence of 21 compounds amounted to 98.9%. The most abundant component was palmitic acid (15.0%). The other major compounds present in the bio-oil were oleic acid (12.3%), cis-1, 9hexadecadiene (12.0%), cis-10-pentadecen-1-ol (12.0%), 9-octadecenal (12.0%), trans-2-octadecadecen-1-ol (12.0%), myristic acid (5.0%) and stearic acid (5.0%). The bio-oil was active against all the tested bacteria with high zones of inhibition (14.0-30.0 mm). This study established that bio-oil should not only be used as a fuel but can also be purified and served as inhibitor of biofilm and bio-corrosion.
Ololade, Z.S.. 2017. \u201cFast Pyrolysis of Tectonagrandis Wood for Bio-Oil: Characterization and Bactericidal Potentials\u201d. Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 17 (GJRE Volume 17 Issue A1): .
Crossref Journal DOI 10.17406/gjre
Print ISSN 0975-5861
e-ISSN 2249-4596
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Total Score: 104
Country: Nigeria
Subject: Global Journal of Research in Engineering - A : Mechanical & Mechanics
Authors: Oyebanji, J.A., Ololade, Z.S. (PhD/Dr. count: 0)
View Count (all-time): 212
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Publish Date: 2017 07, Tue
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In this study, Tectona grandis was pyrolysed in a fixed-bed cylindrical-typed pyrolysis reactor for bio-oil production at a reaction temperature between 410 o C and 530 o C. The product yields were collected at an interval of 30 o C. The highest product yield occurred at 500 o C. Proximate and ultimate analyses were carried out using isoconversional methods and GC-MS respectively. The proximate analysis of the raw sample showed that the moisture content, volatile matter, fixed carbon and ash content were 6.4%, 77.94%, 14.4%, 1.26% respectively while ultimate analysis of the raw materials showed that the content of carbon, hydrogen, nitrogen, sulphur and oxygen were 49.85%, 4.47%, 0.65%, 0.52%, and 44.51% respectively. The ultimate analysis of bio-oil showed that the content of carbon, hydrogen, nitrogen, oxygen and sulphur were 43.56%, 6.25%, 0.62%, 48.89%, 0.68% respectively. The HHV and LHV of the bio-oil obtained were 35.65 MJkg -1 and 17.35 MJkg -1 respectively. The GC-MS analysis of the bio-oil of T. grandis showed the presence of 21 compounds amounted to 98.9%. The most abundant component was palmitic acid (15.0%). The other major compounds present in the bio-oil were oleic acid (12.3%), cis-1, 9hexadecadiene (12.0%), cis-10-pentadecen-1-ol (12.0%), 9-octadecenal (12.0%), trans-2-octadecadecen-1-ol (12.0%), myristic acid (5.0%) and stearic acid (5.0%). The bio-oil was active against all the tested bacteria with high zones of inhibition (14.0-30.0 mm). This study established that bio-oil should not only be used as a fuel but can also be purified and served as inhibitor of biofilm and bio-corrosion.
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