مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

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Information Journal Paper

Title

DILUTE H2SO4-CATALYZED HYDROTHERMAL PRETREATMENT TO ENHANCE ENZYMATIC DIGESTIBILITY OF JATROPHA CURCASFRUIT HULL FOR ETHANOL FERMENTATION

Pages

  1-11

Abstract

 Dilute sulfuric acid pretreatment of the JATROPHA CURCAS FRUIT HULL at high temperatures (140oC to 180oC) performed in a 110-mL stainless steel reactor was investigated to enhance the enzymatic digestibility of its lignocellulosic components. Carbohydrates accounted for 43% of the dry matter of the J. curcas FRUIT HULL biomass. The goal of the study was to optimize the pretreatment conditions (acid concentration, time, and temperature) in order to obtain the highest sugar yield after subsequent enzymatic hydrolysis. A BOX-BEHNKEN design was applied to the experimental setup in order to reduce the number of experiments. The optimal pretreatment conditions are 30-min incubations at a temperature of 178°C with a sulfuric acid concentration of 0.9% (w/v). Using these pretreatment conditions for a fruit solid loading of 9.52% followed by a 24-h enzymatic hydrolysis resulted in a liberation of 100% of all PENTOSEs present (71% yield and 29% degradation to furfural) and 83% of the HEXOSEs (78% yield and 5% degradation to 5-hydroxymethylfurfural). The simultaneous saccharification and fermentation experiment showed that acid-pretreated FRUIT HULL can be used as a substrate for Saccharomyces cerevisiae to produce ETHANOL.

Cites

References

Cite

APA: Copy

MARASABESSY, AHMAD, J. KOOTSTRA, A MAARTEN, SANDERS, JOHAN PM, & WEUSTHUIS, RUUD A.. (2012). DILUTE H2SO4-CATALYZED HYDROTHERMAL PRETREATMENT TO ENHANCE ENZYMATIC DIGESTIBILITY OF JATROPHA CURCASFRUIT HULL FOR ETHANOL FERMENTATION. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, 3(3), 1-11. SID. https://sid.ir/paper/327028/en

Vancouver: Copy

MARASABESSY AHMAD, J. KOOTSTRA A MAARTEN, SANDERS JOHAN PM, WEUSTHUIS RUUD A.. DILUTE H2SO4-CATALYZED HYDROTHERMAL PRETREATMENT TO ENHANCE ENZYMATIC DIGESTIBILITY OF JATROPHA CURCASFRUIT HULL FOR ETHANOL FERMENTATION. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING[Internet]. 2012;3(3):1-11. Available from: https://sid.ir/paper/327028/en

IEEE: Copy

AHMAD MARASABESSY, A MAARTEN J. KOOTSTRA, JOHAN PM SANDERS, and RUUD A. WEUSTHUIS, “DILUTE H2SO4-CATALYZED HYDROTHERMAL PRETREATMENT TO ENHANCE ENZYMATIC DIGESTIBILITY OF JATROPHA CURCASFRUIT HULL FOR ETHANOL FERMENTATION,” INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, vol. 3, no. 3, pp. 1–11, 2012, [Online]. Available: https://sid.ir/paper/327028/en

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