Effect of chip size on steam explosion pretreatment of softwood

Although considerable progress has been made in technology for converting lignocellulosic biomass into ethanol, substantial opportunities still exist to reduce production costs. In biomass pretreatment, reducing milling power is a technological improvement that will substantially lower production co...

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Bibliographic Details
Published in:Applied biochemistry and biotechnology 2000, Vol.84-86 (1-9), p.97-110
Main Authors: BALLESTEROS, I, OLIVA, J. M, NAVARRO, A. A, GONZALEZ, A, CARRASCO, J, BALLESTEROS, M
Format: Article
Language:English
Subjects:
beta-Glucosidase
Biofuel production
Biological and medical sciences
Biomass
Biotechnology
Biotechnology - methods
Carbohydrates - analysis
Cellulase
Cellulose
Cycadopsida
Energy
Ethanol
Fundamental and applied biological sciences. Psychology
Hydrolysis
Industrial applications and implications. Economical aspects
Lignin
Pinus
Steam
Wood
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Summary:Although considerable progress has been made in technology for converting lignocellulosic biomass into ethanol, substantial opportunities still exist to reduce production costs. In biomass pretreatment, reducing milling power is a technological improvement that will substantially lower production costs for ethanol. Improving sugar yield from hemicellulose hydrolysis would also reduce ethanol production costs. Thus, it would be desirable to test innovative pretreatment conditions to improve the economics by reducing electrical power of the milling stage and by optimizing pretreatment recovery of hemicellulose, as well as to enhance cellulose hydrolysis. The objective of this study was to evaluate the effect of chip size (2-5, 5-8, and 8-12 mm) on steam-explosion pretreatment (190 and 210 degrees C, 4 and 8 min) of softwood (Pinus pinaster).
ISSN:0273-2289
1559-0291
0273-2289
DOI:10.1385/ABAB:84-86:1-9:97