NDLI: Plasma-Assisted Pretreatment of Wheat Straw

Content Provider	Springer Nature Link
Author	Schultz Jensen, Nadja Leipold, Frank Bindslev, Henrik Thomsen, Anne Belinda
Copyright Year	2010
Abstract	O$_{3}$ generated in a plasma at atmospheric pressure and room temperature, fed with dried air (or oxygen-enriched dried air), has been used for the degradation of lignin in wheat straw to optimize the enzymatic hydrolysis and to get more fermentable sugars. A fixed bed reactor was used combined with a CO$_{2}$ detector and an online technique for O$_{3}$ measurement in the fed and exhaust gas allowing continuous measurement of the consumption of O$_{3}$. This rendered it possible for us to determine the progress of the pretreatment in real time (online analysis). The process time can be adjusted to produce wheat straw with desired lignin content because of the online analysis. The O$_{3}$ consumption of wheat straw and its polymeric components, i.e., cellulose, hemicellulose, and lignin, as well as a mixture of these, dry as well as with 50% water, were studied. Furthermore, the process parameters dry matter content and milled particle size (the extent to which the wheat straw was milled) were investigated and optimized. The developed methodology offered the advantage of a simple and relatively fast (0.5–2 h) pretreatment allowing a dry matter concentration of 45–60%. FTIR measurements did not suggest any structural effects on cellulose and hemicellulose by the O$_{3}$ treatment. The cost and the energy consumption for lignin degradation of 100 g of wheat straw were calculated.
Starting Page	558
Ending Page	572
Page Count	15
File Format	PDF
ISSN	02732289
Journal	Applied Biochemistry and Biotechnology
Volume Number	163
Issue Number	4
e-ISSN	15590291
Language	English
Publisher	Humana Press Inc
Publisher Date	2010-08-20
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pretreatment method Wheat straw Lignin Plasma Discharge Biofuel Sustainable energy Ozonisation Biochemistry Biotechnology
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology

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