Jatropha sotoi-nunyezii and Jatropha curcas, species from Tamaulipas: a comparison from a biofuels perspective

Plants of the genus Jatropha are considered a viable alternative for commercial production of biodiesel, particularly J. curcas. In Tamaulipas, the J. sotoi-nunyezii species has been recently described, but the feasibility for its industrial use remains unknown. The objective of this work was to cha...

Full description

Saved in:
Bibliographic Details
Published in:CienciaUAT 2016-07, Vol.11 (1), p.91
Main Authors: Guevara-Fefer, Patricia, Sánchez-Ramos, Gerardo, De-Jesús-Romero, Yanely Araceli, Niño-García, Nohemí
Format: Article
Language:Spanish
Subjects:
Biodiesel fuels
Biofuels
Calorific value
Cetane number
Chemical composition
Diesel
Esters
Fatty acid methyl esters
Fatty acids
Feasibility studies
Industrial applications
Iodine
Jatropha
Jatropha curcas
Mathematical analysis
Organic chemistry
Oxidation
Plants (botany)
Quality standards
Seeds
Species
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Plants of the genus Jatropha are considered a viable alternative for commercial production of biodiesel, particularly J. curcas. In Tamaulipas, the J. sotoi-nunyezii species has been recently described, but the feasibility for its industrial use remains unknown. The objective of this work was to characterize the quality and yield of the biodiesel obtained from J. sotoi-nunyezii as compared with the toxic and non-toxic commercial varieties of J. curcas. The oil from both toxic and non-toxic J. curcas as well as J. sotoi-nunyezii seeds was transesterified to produce biodiesel and its chemical composition (fatty acid methyl esters) by GC-MS was determined. The seeds from J. sotoi-nunyezii had a higher oil yield than those from the toxic and non-toxic J. curcas varieties (43.5 %, 32.5 % and 33.3 % respectively). The biodiesel conversion efficiency was higher in J. sotoi-nunyezii with 87.2 %. The biodiesel obtained from J. sotoi-nunyezii showed a higher amount of insaturated methyl esters, particularly methyl linoleate. This feature influenced the calculated values of iodine value and cetane number that compared with quality standards such as EN 14214, indicate that the J. sotoi-nunyezii biodiesel is more susceptible to oxidation with respect to that of toxic and non-toxicJ. curcas . On the other hand, the calculated heating value of biodiesel from J. sotoi-nunyezii and toxic and non-toxic J curcas is similar to that of diesel. Therefore, both values indicate that they are high-energy biofuels. This comparison allowed considering J. sotoi-nunyezii as a possible promising species for the production of second-generation biofuels. Las plantas del género Jatropha se consideran una alternativa viable para la producción comercial de biodiésel, particularmente J. curcas. En Tamaulipas, recientemente se describió la especie J. sotoi- nunyezii, pero se desconoce si es factible aprovecharla industrialmente. El objetivo del presente trabajo fue obtener y caracterizar la calidad y rendimiento del biodiésel obtenido a partir de J. sotoi-nunyezii, comparándolo con las variedades comerciales de J. curcas tóxica y no tóxica. El aceite de semillas de J. curcas tóxica, J. curcas no tóxica y J. sotoi-nunyezii fue transesterificado para producir biodiésel, y se determinó su composición química (ésteres metílicos de ácidos grasos) por CG-EM. Las semillas de J. sotoi-nunyezii tuvieron mayor contenido de aceite con respecto a las de J. curcas tóxica y no tóxica (43.5 %, 32.5 % y 33.3
ISSN:2007-7521
2007-7858
DOI:10.29059/cienciauat.v11i1.769