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Optimization of alkali pretreatment and enzymatic saccharification of jute (Corchorus olitorius L.) biomass using response surface methodology

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Title Optimization of alkali pretreatment and enzymatic saccharification of jute (Corchorus olitorius L.) biomass using response surface methodology
Not Available
 
Creator Sharma, Laxmi
Alam, Nurnabi Meherul
Roy, Suman
Satya, Pratik
Kar, Gouranga
Ghosh, Subhojit
Goswami, Tinku
Majumdar, Bijan
 
Subject Pretreatment
Saccharification
Jute
Biomass
Optimization
 
Description Not Available
Reduction of inherent structural recalcitrance and improved saccharification efficiency are two important facets
to enhance fermentable sugar yield for bioethanol production from lignocellulosic biomass. This study optimized
alkaline pretreatment and saccharification conditions employing response surface methodology to improve
saccharification yield of jute (Corchorus olitorius cv. JROB-2) biomass. The biomass is composed of cellulose
(66.6 %), lignin (19.4 %) and hemicellulose (13.1 %). NaOH concentration exhibited significant effect on
delignification during pretreatment. The highest delignification (80.42 %) was obtained by pretreatment with
2.47 % NaOH at 55.8 ◦C for 5.9 h removing 79.8 % lignin and 34.2 % hemicellulose from biomass, thereby
increasing cell wall porosity and allowing better accessibility to saccharification enzyme. During saccharification
optimization, significant effect was observed for biomass loading, enzyme concentration and temperature.
Optimized saccharification condition yielded maximum saccharification (76.48 %) when hydrolysis was per formed at 6.9 % biomass loading with enzyme concentration of 49.52 FPU/g substrate at 51.05 ◦C for 74.4
Not Available
 
Date 2022-12-27T08:16:07Z
2022-12-27T08:16:07Z
2022-11-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/75262
 
Language English
 
Relation Not Available;
 
Publisher Elsevier