Document Detail


Energy requirement for alkali assisted microwave and high pressure reactor pretreatments of cotton plant residue and its hydrolysis for fermentable sugar production for biofuel application.
MedLine Citation:
PMID:  22420987     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In the present work, alkali assisted microwave pretreatment (AAMP) of cotton plant residue (CPR) with high pressure reactor pretreatment was compared. Further, modeling of AAMP was attempted. AAMP, followed by enzymatic saccharification was evaluated and the critical parameters were identified to be exposure time, particle size and enzyme loading. The levels of these parameters were optimized using response surface methodology (RSM) to enhance sugar yield. AAMP of CPR (1mm average size) for 6min at 300W yielded solid fractions that on hydrolysis resulted in maximum reducing sugar yield of 0.495g/g. The energy required for AAMP at 300W for 6min was 108kJ whereas high pressure pretreatment (180°C, 100rpm for 45min) requires 5 times more energy i.e., 540kJ. Physiochemical characterization of native and pretreated feedstock revealed differences between high pressure pretreatment and AAMP.
Authors:
Sankar Vani; Parameswaran Binod; Mathiyazhakan Kuttiraja; Raveendran Sindhu; Soolamkandath Variem Sandhya; Varghese Elizabeth Preeti; Rajeev Kumar Sukumaran; Ashok Pandey
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-24
Journal Detail:
Title:  Bioresource technology     Volume:  -     ISSN:  1873-2976     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-3-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Centre for Biofuels, National Institute for Interdisciplinary Science and Technology, CSIR Trivandrum 695019, India.
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