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CT&F - Ciencia, Tecnología y Futuro
versión impresa ISSN 0122-5383
Resumen
REALES-ALFARO, Juan-Guillermo et al. ACID HYDROLYSIS OF WATER HYACINTH TO OBTAIN FERMENTABLE SUGARS. C.T.F Cienc. Tecnol. Futuro [online]. 2013, vol.5, n.2, pp.101-111. ISSN 0122-5383.
In order to take advantage of the aquatic weed water hyacinth (Eichhornia crassipes) as lignocellulosic feedstock for the production of reducing sugars, a bromatological characterization of the leaves and stems of the plant was performed. Then, the effects of the sulfuric acid concentration (1 -3% v/v), the concentration of solids (10 to 12.5% w/v) and the reaction time (15 -25 min) at 121°C/15 psi in the production reducing sugars were studied by employing a central composite design. It was found that the acid concentration was the most significant variable. The optimal conditions were solids 11.25% p/v, H2SO4 2% v/v and 20 minute reaction time. These conditions yielded a concentration of reducing sugars of 33.3 g/L.
Palabras clave : Eichhornia crassipes; Biofuel; Lignocellulose; Fermentable sugars; Sulfuric acid pretreatment.