Abstract

The conversion of water hyacinth to ethanol can be achieved by pretreatment, enzymatic hydrolysis and simultaneous saccharification and fermentation. The utilization of both cellulose and hemicellulosic sugars such as hexose, pentose and the like present in the hydrolysate is essential for the economical production of ethanol. Water hyacinth requires pretreatment in order to enhance the susceptibility of the biomass during hydrolysis. The present study, aims at applying a simple and reliable pretreatment process with dilute sulfuric acid hydrolysis for the conversion of water hyacinth to xylose. In this study, a systematic and robust optimization strategy was adopted to find out the optimum settings of the process parameters for enhanced production of xylose from water hyacinth using Taguchi's parameter design. From confirmation experiments, the mean value of the xylose yield corresponding to the optimum conditions was obtained as 65.03 mg g -1 , which

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