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JSIR Vol.70 [2011] >
JSIR Vol.70(11) [November 2011] >
| Title: | Studies on physicochemical changes during alkali pretreatment and optimization of hydrolysis conditions to improve sugar yield from bagasse |
| Authors: | Janu, Kanakambaran Usha
Sindhu, Raveendran
Binod, Parameswaran
Kuttiraja, Mathiyazhakan
Sukumaran, Rajeev Kumar
Pandey, Ashok |
| Keywords: | Bagasse
Biofuels
Biomass conversion
Biomass hydrolysis
Cellulase
Pretreatment |
| Issue Date: | Nov-2011 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | This study presents alkali pretreatment of sugarcane
bagasse (SCB) and conditions were optimized to improve susceptibility
to enzymatic saccharification. Maximal recovery of
sugars was obtained with following pretreatment conditions: biomass
loading, 5%; NaOH conc., 3%; and residence time at
121°C, 60 min. Physicochemical changes in feedstock after alkali pretreatment,
analyzed using SEM, FTIR and XRD, confirmed decrease in
lignin content and effective de-polymerization after pretreatment.
Optimization of biomass and enzyme loading, surfactant
concentration and incubation time for enzymatic hydrolysis was
done using a response surface Box Behnken design, which
resulted in 94% saccharification efficiency. Surfactant concentration had
a major role in hydrolysis and
increase in biomass loading improved sugar yield. |
| Page(s): | 952-958 |
| CC License: |  CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| ISSN: | 0975-1084 (Online); 0022-4456 (Print) |
| Source: | JSIR Vol.70(11) [November 2011]
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