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Steam refining as an alternative to steam explosion
- Source :
- Bioresource Technology. 111:476-481
- Publication Year :
- 2012
- Publisher :
- Elsevier BV, 2012.
-
Abstract
- In steam pretreatment the defibration is usually achieved by an explosion at the end of the treatment, but can also be carried out in a subsequent refiner step. A steam explosion and a steam refining unit were compared by using the same raw material and pretreatment conditions, i.e. temperature and time. Smaller particle size was needed for the steam explosion unit to obtain homogenous slurries without considerable amounts of solid chips. A higher amount of volatiles could be condensed from the vapour phase after steam refining. The results from enzymatic hydrolysis showed no significant differences. It could be shown that, beside the chemical changes in the cell wall, the decrease of the particle size is the decisive factor to enhance the enzymatic accessibility while the explosion effect is not required.
- Subjects :
- Environmental Engineering
Waste management
Renewable Energy, Sustainability and the Environment
Chemistry
Hydrolysis
food and beverages
Bioengineering
General Medicine
Raw material
Pulp and paper industry
complex mixtures
humanities
Steam
Populus
Enzymatic hydrolysis
Phase (matter)
Slurry
Particle size
Volatilization
Waste Management and Disposal
Refining (metallurgy)
Steam explosion
Subjects
Details
- ISSN :
- 09608524
- Volume :
- 111
- Database :
- OpenAIRE
- Journal :
- Bioresource Technology
- Accession number :
- edsair.doi.dedup.....c9dbfe553d70924f64e84eb667a45fe7