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Title: Modelling and Optimisation of Dilute Acid Hydrolysis of Corn Stover Using BoxBehnken Design
Authors: Amenaghawon, Andrew ,N
Ogbeide, Samuel. E
Okieimen, Charity. O
Agbonghae, Elvis
Ighodalo, H.
Keywords: Optimisation
Box-Behnken design
Lignocellulosic biomass
Acid hydrolysis
Corn stover
Issue Date: 2014
Publisher: Journal of Engineering Science and Technology
Series/Report no.: 9;4
Abstract: Response surface methodology (RSM) was employed for the analysis of the simultaneous effect of acid concentration, hydrolysis time and temperature on the total reducing sugar concentration obtained during acid hydrolysis of corn stover. A three-variable, three-level Box-Behnken design (BBD) was used to develop a statistical model for the optimisation of the process variables. The optimal hydrolysis conditions that resulted in the maximum total reducing sugar concentration were acid concentration; 1.72 % (w/w), temperature; 169.26oC and pretreatment time; 48.73 minutes. Under these conditions, the total reducing sugar concentration was obtained to be 23.41g/L. Validation of the model indicated no difference between predicted and observed values.
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