This study presents bioconversion of water hyacinth (Eichhornia crassipes) to bioethanol using two-sequential steps of acid hydrolysis (10% sulfuric acid) and yeast (Candida intermedia) fermentation. A maximum ethanol yield (coefficient, 0.21 g g-1; productivity, 0.010 g l-1h-1) was comparable to predicted value (0.23 g g-1) obtained by CCD (Central Composite Design). Two colorimetric methods (phloroglucinol and dichromate assays) were used for determination of xylose and ethanol using UV-Vis spectrophotometer. Although maximum ethanol concentration was low, an economically efficient overall process was carried out to convert a lignocellulosic biomass to bioethanol.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/enhanced-acid-hydrolysis-bioethanol-production-water-hyacinth-eichhornia-crassipes
[2] http://admin.indiaenvironmentportal.org.in/category/author/manivannan
[3] http://admin.indiaenvironmentportal.org.in/category/author/p-hepsibha-jayarani
[4] http://admin.indiaenvironmentportal.org.in/category/author/r-t-narendhirakannan
[5] http://admin.indiaenvironmentportal.org.in/category/journal/journal-scientific-and-industrial-research
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ethanol
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/hyacinth
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/alternative-fuels