Two-step Biodiesel Production from Crude Jatropha curcas L. Oil Using Ultrasonic Irradiation Assisted
نویسندگان
چکیده
منابع مشابه
Biodiesel production from crude Jatropha curcas L. seed oil with a high content of free fatty acids.
A technique to produce biodiesel from crude Jatropha curcas seed oil (CJCO) having high free fatty acids (15%FFA) has been developed. The high FFA level of JCJO was reduced to less than 1% by a two-step pretreatment process. The first step was carried out with 0.60 w/w methanol-to-oil ratio in the presence of 1% w/w H(2)SO(4) as an acid catalyst in 1-h reaction at 50 degrees C. After the reacti...
متن کاملTitle Two-step supercritical dimethyl carbonate method for biodiesel production from Jatropha curcas
This study reports on a novel two-step process for biodiesel production consisting of hydrolysis of oils in sub-critical water and subsequent supercritical dimethyl carbonate esterification. This process found to occur optimally at the subcritical water treatment (270°C/27MPa) for 25 min followed by a subsequent supercritical dimethyl carbonate treatment (300°C/9MPa) for 15 min to achieve a com...
متن کاملBiodiesel production from neem oil using two step transesterification
Currently, most of the biodiesel is produced from the edible/refined type oil using methanol and alkaline catalyst. However, large amount of non-edible type oils and fats are available in our country. In this study, crude neem oil is used as alternative fuel for biodiesel production. The difficulty with alkaline transesterification of these oils have contained large amounts of free fatty acids ...
متن کاملProducing Biodiesel from High Free Fatty Acid Jatropha Curcas Oil by A Two Step Method- An Indian Case Study
Being an agricultural product, the properties of crude Jatropha Curcas oil (CJCO) and the biodiesel produced from CJCO are region specific. In this work studies were carried out to produce biodiesel from crude Jatropha Curcas oil with a having high free fatty acid contents (6.85%) obtained from rural areas within India. Due its high free fatty acid content, the crude Jatropha Curcas oil was pro...
متن کاملProduction of biodiesel from non-edible Jatropha curcas oil via transesterification using Bi2O3-La2O3 catalyst ABSTRACT The simultaneous esterification and transesterification of Jatropha curcas
The simultaneous esterification and transesterification of Jatropha curcas oil (JCO) was carried out in the presence of Bi2O3 (1–7 wt.%) modified La2O3 catalyst at atmospheric pressure. The catalyst were characterized by X-ray diffraction (XRD), BET surface area, desorption of CO2 (TPD-CO2) and NH3 (TPD-NH3). Under the optimal reaction condition of methanol/oil molar ratio of 15:1, 2 wt.% of ca...
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ژورنال
عنوان ژورنال: Journal of Oleo Science
سال: 2012
ISSN: 1345-8957,1347-3352
DOI: 10.5650/jos.61.165