Fuel properties of tallow and soybean oil esters

Ali, Yusuf; Hanna, Milford A.; Cuppett, Susan L.

doi:10.1007/bf02577854

Cited by 176 publications

(81 citation statements)

References 7 publications

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“…Results from this present study are comparable to those earlier reported. Ali et al (1995) reported the following properties for biodiesel produced from soybean oil: kinematic viscosity, 4.5 mm 2 /s; cloud point, 1 o C; pour point, -7 o C; flash point, 178 o C and density, 885 kg/m 3 . Boocock et al (1998) carried out transesterification of soybean oil with methanol at different concentrations of sodium hydroxide.…”

Section: Discussionmentioning

confidence: 99%

Production of biodiesel by transesterification of refined soybean oil

Aransiola¹,

Betiku²,

Layokun³

et al. 2010

International Journal of Biological and Chemical Sciences

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This study focused on the production of biodiesel via transesterification of refined soybean oil obtained locally. Sodium hydroxide was used as the alkali catalyst and methanol (as alcohol) was used in the transesterification process due to its low cost. The methanol-to-oil molar ratio was maintained at 6:1. The effect of reaction temperature with time and the catalyst loading were studied. The reaction temperature and the catalyst loading were varied at 30, 40, 50, 60 and 70 o C; and at 0.5 and 1.0% weight of oil, respectively. After transesterification of the soybean oil, the fatty acid methyl esters [FAMEs (biodiesel)] conversion was found to rise with an increase in the catalyst loading and also with the reaction temperature but no significant difference (P > 0.05) was found between the temperatures of 60 o C and 70 o C. The optimum methyl esters conversion of 97.89% was achieved at 60 o C for 3 h with 1% (w/w) catalyst. The viscosity (at 40 o C), density, cloud point, pour point, flash point and acid number were 3.40 cSt, 0.86 g/ml, -1 o C, -7 o C, 175 o C and 0.19, respectively. This optimum methyl esters conversion obtained met ASTM standard of D-6751. Therefore, soybean oil has been shown in this study as a good candidate for biodiesel production and the data acquired can be scaled up for large scale production.

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Section: Discussionmentioning

confidence: 99%

Production of biodiesel by transesterification of refined soybean oil

Aransiola¹,

Betiku²,

Layokun³

et al. 2010

International Journal of Biological and Chemical Sciences

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“…Process efficiency of transesterification depends on several factors like the type of catalyst, temperature, alcohol to oil ratio, water and free fatty acid content, etc. (24).…”

Section: Transesterification As a Methods For Biodiesel Productionmentioning

confidence: 99%

Recent Trends in Biodiesel and Biogas Production

Bušić

Kundas

Morzak

et al. 2018

Food Technol. Biotechnol.

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SummaryBiodiesel and biogas are two very important sources of renewable energy worldwide, and particularly in EU countries. While biodiesel is almost exclusively used as transportation fuel, biogas is mostly used for production of electricity and heat. The application of more sophisticated purification techniques in production of pure biomethane from biogas allows its delivery to natural gas grid and its subsequent use as transportation fuel. While biogas is produced mostly from waste materials (landfills, manure, sludge from wastewater treatment, agricultural waste), biodiesel in EU is mostly produced from rapeseed or other oil crops that are used as food. This raises the 'food or fuel' concerns. To mitigate this problem considerable efforts have been done to use non-food feedstock for biodiesel production. These include all kinds of waste oils and fats, but recently more attention has been devoted to production of microbial oils by cultivation of microorganisms that are able to accumulate high amounts of lipids in their biomass. Promising candidates for microbial lipids production can be found www.ftb.com.hrPlease note that this is an unedited version of the manuscript that has been accepted for publication. This version will undergo copyediting and typesetting before its final form for publication. We are providing this version as a service to our readers. The published version will differ from this one as a result of linguistic and technical corrections and layout editing.2 among different strains of filamentous fungi, yeast, bacteria and microalgae. Feedstocks of interest are agricultural waste rich in carbohydrates as well as different lignocellulosic raw materials where some technical issues have to be resolved. In this work, recovery and purification of biodiesel and biogas were also considered.

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“…In this work, cloud point was evaluated as the temperature at which wax crystals are formed (Ali et al 1995) and pour point as the lowest temperature at which a fuel can flow (Lee et al 1995). This parameter is directly related to the fatty acid composition of the sample, the higher the unsaturation rate, the lower the cloud point.…”

Section: Cloud and Pour Pointmentioning

confidence: 99%

Biodiesel production from three mixes of oils with high free fatty content: quality evaluation and variable analysis

Ortíz

Quintero

Arévalo

2016

Int. J. Environ. Sci. Technol.

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Due to the excessive use of fossil fuels around the world, more environmentally friendly alternatives have been studied. Technologies for the production of ethanol, biogas and biodiesel are focusing on the importance of improving costs and efficiency. Biodiesel can be used in automotive internal combustion, is biodegradable and has no presence of metals, however, it lacks competitiveness versus petrodiesel mainly by the high cost of the pure oils used for its production. The aim of this study was to obtain biodiesel from oil samples with high content of free fatty acids ([1 %) obtained from three fast food restaurants using their molecular weight and acidity index values in order to neutralize the free fatty acids in a one-step reaction and perform a screening for optimal conditions for transesterification. The experimental design consisted of two reaction times (60 and 90 min); four methanoloil molar ratios-6:1, 10:1, 15:1 and 20:1; and two catalysts (NaOH and KOH) at three concentrations 0.5, 1 and 1.5 % with a constant temperature of 60°C and 500 rpm. The optimum conditions for the different waste cooking oil feedstocks were established reaching a final yield up to 85.53 % of biodiesel, concluding that there is viability of production through the use of this raw material and free fatty acids neutralization technique, obtaining a biofuel that meets international quality standards.

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Fuel properties of tallow and soybean oil esters

Cited by 176 publications

References 7 publications

Production of biodiesel by transesterification of refined soybean oil

Production of biodiesel by transesterification of refined soybean oil

Recent Trends in Biodiesel and Biogas Production

Biodiesel production from three mixes of oils with high free fatty content: quality evaluation and variable analysis

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