Document Detail


Comparison of pretreatment strategies of sugarcane baggase: experimental design for citric acid production.
MedLine Citation:
PMID:  18334291     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Solid state fermentation was carried out to compare efficiency of acid, alkaline and urea pretreatment of sugarcane bagasse for production of citric acid using Aspergillus niger ATCC 9142. Plackett-Burman statistical design was used to evaluate significance of variables. Pretreatment of bagasse by urea was known as the most influential treatment to increase citric acid production (137.6g/kg of dry sugarcane bagasse and citric acid yield of 96% based on sugar consumed). Finally, up scaling was achieved to a 20L solid state fermentor in which humidity was constant in gas phase and urea-treated sugarcane bagasse. The produced acid concentration and yield in fermentor was 82.38g/kg of dry substrate and 26.45g/kgday, respectively.
Authors:
Kianoush Khosravi-Darani; Alaleh Zoghi
Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2008-03-10
Journal Detail:
Title:  Bioresource technology     Volume:  99     ISSN:  0960-8524     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-06-03     Completed Date:  2008-09-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  England    
Other Details:
Languages:  eng     Pagination:  6986-93     Citation Subset:  IM    
Affiliation:
Department of Food Technology Research, National Nutrition and Food Technology Research Institute, Shaheed Beheshti University, M.C., P.O. Box 19395-4741, Tehran, Iran. kiankh@yahoo.com
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MeSH Terms
Descriptor/Qualifier:
Citric Acid / metabolism*
Hydrogen-Ion Concentration
Saccharum / chemistry*
Temperature
Chemical
Reg. No./Substance:
77-92-9/Citric Acid

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