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Artículo

Enzymatic production of biodiesel from cotton seed oil using t-butanol as a solvent

Royon, Daniela BeatrizIcon ; Daz, Mirta Elizabeth; Von Ellenrieder, Guillermo RodolfoIcon ; Locatelli, Silvano
Fecha de publicación: 02/2007
Editorial: Elsevier
Revista: Bioresource Technology
ISSN: 0960-8524
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Biotecnología Industrial

Resumen

The enzymatic production of biodiesel by methanolysis of cottonseed oil was studied using immobilized Candida antarctica lipase as catalyst in t-butanol solvent. Methyl ester production and triacylglycerol disappearance were followed by HPLC chromatography. It was found, using a batch system, that enzyme inhibition caused by undissolved methanol was eliminated by adding t-butanol to the reaction medium, which also gave a noticeable increase of reaction rate and ester yield. The effect of t-butanol, methanol concentration and temperature on this system was determined. A methanolysis yield of 97% was observed after 24 h at 50 °C with a reaction mixture containing 32.5% t-butanol, 13.5% methanol, 54% oil and 0.017 g enzyme (g oil)-1. With the same mixture, a 95% ester yield was obtained using a one step fixed bed continuous reactor with a flow rate of 9.6 ml h-1 (g enzyme)-1. Experiments with the continuous reactor over 500 h did not show any appreciable decrease in ester yields. © 2006 Elsevier Ltd. All rights reserved.
Palabras clave: Biodiesel , Cotton Seed Oil , Lipase , Methanol , Novozym 435 , T-Butanol
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/66874
URL: https://www.sciencedirect.com/science/article/pii/S0960852406000794
DOI: https://doi.org/10.1016/j.biortech.2006.02.021
Colecciones
Articulos(INIQUI)
Articulos de INST.DE INVEST.PARA LA INDUSTRIA QUIMICA (I)
Citación
Royon, Daniela Beatriz; Daz, Mirta Elizabeth; Von Ellenrieder, Guillermo Rodolfo; Locatelli, Silvano; Enzymatic production of biodiesel from cotton seed oil using t-butanol as a solvent; Elsevier; Bioresource Technology; 98; 3; 2-2007; 648-653
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