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Bio-ethanol from water hyacinth biomass: An evaluation of enzymatic saccharification strategy
Biomass feedstock having less competition with food crops are desirable for bio-ethanol production and such resources may not be localized geographically. A distributed production strategy is therefore more suitable for feedstock like water hyacinth with a decentralized availability. In this study,...
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| Published in: | Bioresource technology 2010-02, Vol.101 (3), p.925-930 |
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| Main Authors: | , , , , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c517t-ec447bc723487d8fe2e4d248c859c998b45d08d0a876f6a4b49ec6ee35d38cad3 |
| container_end_page | 930 |
| container_issue | 3 |
| container_start_page | 925 |
| container_title | Bioresource technology |
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| creator | Aswathy, U.S. Sukumaran, Rajeev K. Devi, G. Lalitha Rajasree, K.P. Singhania, Reeta Rani Pandey, Ashok |
| description | Biomass feedstock having less competition with food crops are desirable for bio-ethanol production and such resources may not be localized geographically. A distributed production strategy is therefore more suitable for feedstock like water hyacinth with a decentralized availability. In this study, we have demonstrated the suitability of this feedstock for production of fermentable sugars using cellulases produced on site. Testing of acid and alkali pretreatment methods indicated that alkali pretreatment was more efficient in making the sample susceptible to enzyme hydrolysis. Cellulase and β-glucosidase loading and the effect of surfactants were studied and optimized to improve saccharification. Redesigning of enzyme blends resulted in an improvement of saccharification from 57% to 71%. A crude trial on fermentation of the enzymatic hydrolysate using the common baker’s yeast
Saccharomyces cerevisiae yielded an ethanol concentration of 4.4
g/L. |
| doi_str_mv | 10.1016/j.biortech.2009.08.019 |
| format | article |
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Saccharomyces cerevisiae yielded an ethanol concentration of 4.4
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Saccharomyces cerevisiae yielded an ethanol concentration of 4.4
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Testing of acid and alkali pretreatment methods indicated that alkali pretreatment was more efficient in making the sample susceptible to enzyme hydrolysis. Cellulase and β-glucosidase loading and the effect of surfactants were studied and optimized to improve saccharification. Redesigning of enzyme blends resulted in an improvement of saccharification from 57% to 71%. A crude trial on fermentation of the enzymatic hydrolysate using the common baker’s yeast
Saccharomyces cerevisiae yielded an ethanol concentration of 4.4
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| fulltext | fulltext |
| identifier | ISSN: 0960-8524 |
| ispartof | Bioresource technology, 2010-02, Vol.101 (3), p.925-930 |
| issn | 0960-8524 1873-2976 |
| language | eng |
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| source | Elsevier |
| subjects | acid treatment alkali treatment Aspergillus niger - enzymology beta-glucosidase beta-Glucosidase - chemistry Bio-ethanol Biofuel production biofuels Biological and medical sciences Biomass Biotechnology Blends Cellulase - chemistry cellulases Eichhornia Eichhornia - metabolism Eichhornia crassipes Energy enzymatic hydrolysis Enzymes Ethanol - chemistry ethanol production Ethyl alcohol Feedstock Fermentation Fundamental and applied biological sciences. Psychology hydrolysates Hydrolysis Industrial applications and implications. Economical aspects Industrial Microbiology - methods lignocellulose Lignocellulosic biomass Models, Statistical Polysaccharides - chemistry Pretreatment raw materials reducing sugars renewable energy sources Saccharification Saccharomyces cerevisiae Saccharomyces cerevisiae - enzymology Strategy Trichoderma - enzymology Water hyacinth |
| title | Bio-ethanol from water hyacinth biomass: An evaluation of enzymatic saccharification strategy |
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