ENHANCED BIOFUEL PRODUCTION FROM WATER HYACINTHA. Gandhimathi
India has large wetlands, with the potential for production of large quantities of biomass of aquatic floating species, especially water hyacinth (Eichhornia crassipes), during the aquatic phase of the flood pulse characteristic for this ecosystem. Water hyacinth (Eichhornia crassipes), as one of the important invasive aquatic species, commonly covers the surfaces of rivers and lakes and has caused a series of environmental problems due to its rapid growth and high reproducibility in both clear water and wastewater. Such biomass could be wisely managed for the production of biofuels. In this study, we have investigated the Biofuel production from the NaOH/H2O2-pretreated water hyacinth. The Klukeromy marxians MTCC 1388 showed greater ethanol production from glucose (0.83 g/g glucose) at 40 °C than did the control Saccharomyces cerevisiae. The maximum ethanol concentration (9.7 g/L) achieved with by saccharification and fermentation (SSF) from pretreated water hyacinth at 35 °C was 2 fold greater than that produced by S. cerevisiae at 30 °C. The present work demonstrates that bioethanol production achieved via SSF of NaOH/H2O2-pretreated water hyacinth with a promising strategy to utilize water hyacinth biomass.
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