Effects of minor constituents on cold flow properties and performance of biodiesel☆

Dunn, Robert O.

doi:10.1016/j.pecs.2009.07.002

Cited by 146 publications

(90 citation statements)

References 57 publications

(31 reference statements)

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“…When compared with other studies (Dunn, 2009;He & Van Gerpen, 2012), the results obtained in this work show a fairly high level of removal, even superior to that obtained with a combination of techniques such as cold filtration, and adsorption with earths of different specification. Ultrafiltration has been reported as a promising technique for the removal of Steryl Glucosides, achieving final Steryl Glucoside concentrations below the reported in this work, but it requires change in reaction conditions and it is an energy intensive technique (Tremblay & Montpetit, 2017).…”

Section: Pour Point; Free and Total Glycerinsupporting

confidence: 44%

“…Among them, biodiesel has been adopted in several countries, including Colombia, where it is produced from African Palm Oil Ley 939 de 2004(Congreso de Colombia, 2004. Several problems have been identified since the early start of its commercialization, including plugging of transmission lines and filters in distribution plants and vehicles (Dunn, 2009;Lee, Pfalzgraf, Poppe, Powers, & Haines, 2007), mainly in seasonal countries and cold climate regions in tropical and subtropical countries. In Colombia, most problems have been reported in mixing and storage stations in cold climates (ICONTEC, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Effect of the filtration with bleaching earths on several quality parameters of the biodiesel obtained from african palm oil

Arrieta

Mendoza

Núñez

2017

CT&F Cienc. Tecnol. Futuro

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In this work, we studied the performance of bleaching earths as removal agents of Total Contamination from samples of Colombian biodiesel obtained from palm oil. The effect of temperature and the dose of three commercial adsorbents were studied on quality parameters, Total Contamination and moisture of biodiesel. Results showed a complex behavior of the study variables on Total Contamination and final moisture; but either almost or no effects on other quality parameters such as free glycerin, total glycerin and pour point. Response surfaces showed that the values of the manipulated variables that improved the removal of Total Contamination in biodiesel also increased final moisture in the samples. Therefore, it was necessary to compute optimum values using desirability functions, which gave values for Total Contamination and final moisture, of 5.5 mg/kg and 562 mg/kg, respectively, using 0.48% of Bleaching Earth BE1 at 30°C. ABSTRACTHow to cite: Albis-Arrieta,A.R., Barros-Mendoza, C,A., Cabarcas-Núñez, O,E. J., Almanza, O.,. (2017). Effect of the filtration with Bleaching Earths on several quality parameters of the Biodiesel obtained from African Palm Oil. CT&F -Ciencia, Tecnología y Futuro., 6(5), 59-70. EFECTO DE LA FILTRACIÓN CON TIERRAS DE BLANQUEO SOBRE ALGUNAS VARIABLES DE CALIDAD DEL 60E n este trabajo, se estudió el uso de tierras de blanqueo como agentes de remoción de la contaminación total de muestras de biodiesel colombiano obtenido a partir del aceite de palma africana. Se estudiaron el efecto de la temperatura y la dosis de tres adsorbentes comerciales sobre los parámetros de calidad, contaminación total y humedad del biodiesel. Los resultados muestran un comportamiento complejo de las variables de estudio sobre la contaminación total y la humedad, pero efectos nulos o favorables sobre otras variables de calidad, tales como glicerina libre, glicerina total y punto de fluidez. Las superficies de respuesta, mostraron que las condiciones que favorecen la remoción de la contaminación total aumentan el contenido de humedad final del biodiesel, por lo que se hizo necesario calcular los posibles óptimos de operación a través de funciones de deseabilidad, las cuales mostraron valores para las variables contaminación total y humedad de 5.5 mg/kg y 562 mg/kg, respectivamente, usando 0.48% de la tierra de blanqueo BE1 a 30 °C. N este trabalho estudou-se o uso das terras de branqueamento como agentes de remoção da contaminação total sobre amostras de biodiesel colombiano obtido a partir do óleo de dendezeiro (palma africana). Estudou-se o efeito da temperatura e a dose de três absorventes comerciais sobre os parâmetros de qualidade, a contaminação total e umidade do biodiesel. Os resultados mostram um comportamento complexo das variáveis de estudo sobre a contaminação total e a umidade; porém, mostram efeitos nulos ou favoráveis sobre outras variáveis de qualidade, tais como glicerina livre, glicerina total e ponto de fluidez. As superfícies de resposta mostraram que as condições que favorecem a remoção da co...

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Section: Pour Point; Free and Total Glycerinsupporting

confidence: 44%

Section: Introductionmentioning

confidence: 99%

Effect of the filtration with bleaching earths on several quality parameters of the biodiesel obtained from african palm oil

Arrieta

Mendoza

Núñez

2017

CT&F Cienc. Tecnol. Futuro

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“…A high boiling point may lead to long penetration, resulting in increased fuel impingement and poor combustion (Dec et al, 1998). Although biodiesels have higher flash point, previous studies indicated that biodiesel was not suitable to be used in cold weather conditions because of its higher viscosity, cetane number, iodine value, and minor constituents such as saturated monoacylglycerols or free steryl glucosides (Dunn, 2009;Eevera et al, 2009;Tesfa et al, 2010) which may influence pipeline transportation and induce fuel system flushing and power loss. Therefore, biodiesels were not suitable to be used in cold weather conditions unless additive or heating system was used (Chiu et al, 2004;Tate et al, 2006).…”

Section: Fuel Specificationsmentioning

confidence: 99%

Emissions of Regulated Pollutants and PAHs from Waste-cooking-oil Biodiesel-fuelled Heavy-duty Diesel Engine with Catalyzer

Liu

Lin

Hsu

2012

Aerosol Air Qual. Res.

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The development of biodiesels is being driven by the need for reducing emissions from diesel engines without modifying engines and for saving energy. The major obstacle to biodiesel commercialization is the high cost of raw materials. Biodiesel from waste cooking oil is an economical source and an effective strategy for reducing the raw material cost. Although biodiesels made from waste cooking oil have been previously investigated, PAH emissions from heavy-duty diesel engines (HDDEs) with catalyzer fueled with biodiesel from waste cooking oil and its blend with ultra-low sulfur diesel (ULSD) for the US-HDD transient cycle have seldom been addressed. Experimental results indicate that ULSD/WCOB (biodiesel made from waste cooking oil) blends had lower PM, HC, and CO emissions but higher CO 2 and NO x emissions when compared with that of ULSD. Using ULSD/WCOB blends instead of ULSD decreased PAHs by 14.1%-53.3%, PM by 6.80%-15.1%, HC by 6.76%-23.5%, and CO by 0.962%-8.65% but increase CO 2 by 0.318-1.43% and NO x by 0.384-1.15%. Using WCOB is an economical source and an effective strategy for reducing cost, and solves the problem of waste oil disposal.

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“…This is due to that as injection pressure increases, the penetration length and spray cone angle increases, so that at optimum injection pressure 200 bar, air-fuel mixing and spray atomization will be improved. It can be seen that the lowest value of BSFC for the tested fuels was found to be at 200 bar injection pressure (10,11,12).…”

Section: 12: Brake Specific Fuel Consumption (Bsfc)mentioning

confidence: 93%

“…For all the tested fuels, UBHC emission increases under all the loading conditions. UBHC emissions are higher in the diesel fuel for all the loading conditions because of presence of heavier hydrocarbon particles (12,13). …”

Section: 13: Unburnt Hydro Carbon (Ubhc) Emissionmentioning

confidence: 99%

Corn and Rice Bran Biodiesel Blend as Alternative Fuels for Diesel Engine at Different Injection Pressures

Nanjundaiah¹,

Ramesha²

2016

IOSR

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Effects of minor constituents on cold flow properties and performance of biodiesel☆

Cited by 146 publications

References 57 publications

Effect of the filtration with bleaching earths on several quality parameters of the biodiesel obtained from african palm oil

Effect of the filtration with bleaching earths on several quality parameters of the biodiesel obtained from african palm oil

Emissions of Regulated Pollutants and PAHs from Waste-cooking-oil Biodiesel-fuelled Heavy-duty Diesel Engine with Catalyzer

Corn and Rice Bran Biodiesel Blend as Alternative Fuels for Diesel Engine at Different Injection Pressures

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