사무용 폐지에서 유래된 글루코오스를 이용한 레불린산 생산
Production of Levulinic Acid Using Glucose Derived from Office Waste Paper
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The optimal conditions for producing levulinic acid from office waste paper were investigated. Glucose was produced by enzymatic hydrolysis and its yield maximized by varying the soaking time of the substrate and amounts of enzyme and substrate. The optimal conditions to produce levulinic acid using the hydrolysate were determined by response surface methodology, with reaction temperature and catalyst (sulfuric acid) concentration as independent variables. The production model was assessed with an ANOVA regression analysis, and the results indicate its suitability for levulinic acid production (p, F, and lack-of-fit values were 0.003, 20.1, and 0.058, respectively). The optimal conditions were a reaction time of 56.27 min and catalyst concentration of 5.9% with a predicted yield of 2.588 g/L. We verified the findings under the same conditions and obtained 2.323 g/L of levulinic acid.
Abstract
The optimal conditions for producing levulinic acid from office waste paper were investigated. Glucose was produced by enzymatic hydrolysis and its yield maximized by varying the soaking time of the substrate and amounts of enzyme and substrate. The optimal conditions to produce levulinic acid using the hydrolysate were determined by response surface methodology, with reaction temperature and catalyst (sulfuric acid) concentration as independent variables. The production model was assessed with an ANOVA regression analysis, and the results indicate its suitability for levulinic acid production (p, F, and lack-of-fit values were 0.003, 20.1, and 0.058, respectively). The optimal conditions were a reaction time of 56.27 min and catalyst concentration of 5.9% with a predicted yield of 2.588 g/L. We verified the findings under the same conditions and obtained 2.323 g/L of levulinic acid.
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