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Waste animal fats as feedstocks for biodiesel production
Banković-Ilić, Ivana B.; Stojković, Ivan J.; … - In: Renewable and Sustainable Energy Reviews 32 (2014) C, pp. 238-254
, kinetics and possibilities for improvement of biodiesel production from waste animal. …Biodiesel, an alternate and ecologically acceptable substitute for the conventional fuel, is usually produced from a … increase in the future. In this regard, reliable and low-cost raw materials have increasingly drawn interest for biodiesel …
Persistent link: https://www.econbiz.de/10011049182
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Screening, optimization and kinetics of Jatropha curcas oil transesterification with heterogeneous catalysts
Zanette, Andréia F.; Barella, Rodrigo A.; Pergher, … - In: Renewable Energy 36 (2011) 2, pp. 726-731
This work investigates the production of fatty acid methyl esters (FAME) from Jatropha curcas oil using a variety of heterogeneous catalysts: resins, zeolites, clays, hydrotalcites, aluminas and niobium oxide. For this purpose, a catalyst screening was first conducted in a batch reactor at the...
Persistent link: https://www.econbiz.de/10010804483
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Oil removal from waste coffee grounds using two-phase solvent extraction enhanced with ultrasonication
Abdullah, Mudafer; Bulent Koc, A. - In: Renewable Energy 50 (2013) C, pp. 965-970
The objective of this study was to investigate the kinetics of ultrasound assisted-two phase oil extraction from waste … the waste coffee oil and the soybean oil were similar. The kinetics of oil extraction from waste coffee grounds were … drying, which makes waste coffee grounds a viable feedstock for biodiesel production. …
Persistent link: https://www.econbiz.de/10011044662
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Kinetics of transesterification crude soybean oil to biodiesel catalysed by magnesium methoxide
Huang, Kai; Zhang, Suping; Xu, Qingli; Ren, Zhengwei; … - In: International Journal of Global Energy Issues 31 (2009) 3/4, pp. 251-261
The apparent activation energy of transesterification of soybean oil with methanol was investigated by the use of magnesium methoxide as solid base catalyst. The effect of variations in reaction time and temperature (50-65°C) on the macro reaction rate were studied while the molar ratio of...
Persistent link: https://www.econbiz.de/10010691800
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Dimethyl carbonate mediated production of biodiesel at different reaction temperatures
Dawodu, Folasegun A.; Ayodele, Olubunmi O.; Xin, Jiayu; … - In: Renewable Energy 68 (2014) C, pp. 581-587
Methanol was replaced by dimethyl carbonate for biodiesel production. In the process, fatty acid methyl ester (FAME …
Persistent link: https://www.econbiz.de/10010803693
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Optimization of biodiesel production process from Jatropha oil using supported heteropolyacid catalyst and assisted by ultrasonic energy
Badday, Ali Sabri; Abdullah, Ahmad Zuhairi; Lee, Keat-Teong - In: Renewable Energy 50 (2013) C, pp. 427-432
Application of ultrasound-assisted biodiesel production process from Jatropha oil catalyzed by activated carbon … sonifier power) and catalyst amount (2.5–4.5 w/w oil) were studied. A mathematical representation for biodiesel yield was …
Persistent link: https://www.econbiz.de/10011043960
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Optimal locations for second generation Fischer Tropsch biodiesel production in Finland
Natarajan, Karthikeyan; Leduc, Sylvain; Pelkonen, Paavo; … - In: Renewable Energy 62 (2014) C, pp. 319-330
Fischer Tropsch biodiesel production plants locations in Finland. The optimal plant locations with least cost options are … energy demand (biodiesel, heat, biofuel import). Model results show that five biodiesel production plants of 390 MWfeedstock …, the Fischer Tropsch biodiesel can be produced at a cost around 18 €/GJ including by-products income. Furthermore, the …
Persistent link: https://www.econbiz.de/10011045624
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Homogeneous catalysis of soybean oil transesterification via methylic and ethylic routes: Multivariate comparison
Borges, Karen Araújo; Squissato, André Luiz; Santos, … - In: Energy 67 (2014) C, pp. 569-574
/oil molar ratio, catalyst (%), catalyst type, and temperature affected the process. The highest yield of biodiesel was obtained … also conducted the physicochemical analysis of the soybean oil used as feedstock to produce biodiesel. …
Persistent link: https://www.econbiz.de/10011053226
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Biodiesel production from waste frying oils: Optimization of reaction parameters and determination of fuel properties
Uzun, Başak Burcu; Kılıç, Murat; Özbay, Nurgül; … - In: Energy 44 (2012) 1, pp. 347-351
dowex) on the biodiesel yields. The optimum conditions were 0.5%wt. of NaOH, 30min reaction time, 50°C reaction temperature …, 7.5 methanol to oil ratio and purification with hot distilled water. 96% biodiesel yield with ∼97% ester content was … obtained biodiesel according to ASTM D 6751 and EN 14214 standards were in accordance with the required limits. As a conclusion …
Persistent link: https://www.econbiz.de/10011055230
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Mathematical modeling and process parameters optimization studies by artificial neural network and response surface methodology: A case of non-edible neem (Azadirachta indica) seed...
Betiku, Eriola; Omilakin, Oluwasesan Ropo; Ajala, … - In: Energy 72 (2014) C, pp. 266-273
This study aimed at using a non-edible NO (neem oil) for biodiesel production by modeling and optimizing the two … of 36 min and temperature of 60 °C using RSM (response surface methodology). For biodiesel synthesis, ANN (artificial … neural networks) coupled with rotation inherit optimization established a better model than RSM. The condition established by …
Persistent link: https://www.econbiz.de/10011055791