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Identification, FT-IR, NMR (1H and 13C) and GC/MS studies of fatty acid methyl esters in biodiesel from rocket seed oil
被引:299
|作者:
Tariq, Muhammad
[1
]
Ali, Saqib
[1
]
Ahmad, Fiaz
[2
]
Ahmad, Mushtaq
[4
]
Zafar, Muhammad
[4
]
Khalid, Nasir
[3
]
Khan, Mir Ajab
[4
]
机构:
[1] Quaid I Azam Univ, Dept Chem, Islamabad 45320, Pakistan
[2] Natl Engn & Sci Commiss, Islamabad, Pakistan
[3] Pakistan Inst Nucl Sci & Technol, Div Chem, Islamabad, Pakistan
[4] Quaid I Azam Univ, Dept Plant Sci, Islamabad 45320, Pakistan
关键词:
Rocket seed oil biodiesel;
Transesterification;
Triglycerides;
Fatty acid methyl esters;
TRANSFORM INFRARED-SPECTROSCOPY;
RAPESEED OIL;
VEGETABLE-OILS;
EDIBLE OILS;
TRANSESTERIFICATION;
METHANOL;
BLENDS;
FUEL;
D O I:
10.1016/j.fuproc.2010.09.025
中图分类号:
O69 [应用化学];
学科分类号:
081704 ;
摘要:
Biodiesel was synthesized from rocket seed oil by base-catalyzed transesterification with methanol. The synthesis of biodiesel was confirmed by FT-IR and NMR (H-1 and C-13) spectroscopy. Various fuel properties of the synthesized biodiesel were determined using ASTM methods and discussed accordingly. A total of eleven fatty acid methyl esters (FAMEs) were identified in rocket seed oil biodiesel (RSOB) by the retention time and the fragmentation pattern data of GC/MS analysis. The identified FAMEs were, methyl 9-hexadecenoate (C16:1), 14-methyl pentadecanoate (C16:0), methyl 9,12-octadecadienoate (C18:2), methyl 9-octadecenoate (C18:1), methyl octadecanoate (C18:0), methyl 11-eicosenoate (C20:1), methyl eicosanoate (C20:0), methyl 13-docosenoate (C22:1), methyl docosanoate (C22:0), methyl 15-tetracosenoate (24:1) and methyl tetracosanoate (C24:0). The percentage conversion of triglycerides to corresponding methyl esters determined by H-1 NMR was 88.49%. (C) 2010 Elsevier B.V. All rights reserved.
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页码:336 / 341
页数:6
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