NDLI: Utilization of recycled wood in biorefineries: preliminary results of steam explosion and ethanol/water organosolv pulping without a catalyst

Content Provider	Springer Nature Link
Author	Lesar, Boštjan Humar, Miha Hora, Guido Hachmeister, Philipp Schmiedl, Detlef Pindel, Elvira Siika aho, Matti Liitiä, Tiina
Copyright Year	2016
Abstract	With overall higher use of wood and wooden materials in the future, the importance of recycled wood will increase. Recycled wood is currently used for the production of wood based composites and for combustion. In the future, use of recycled wood will also be important as feedstock for biorefineries for the production of bio-based chemicals and biofuels. The present paper gives preliminary results on the feasibility of A I recycled wood (German classification, natural wood only treated mechanically) in a steam explosion and organosolv pre-treatment process. The presence of inorganic pollutants and non-wooden material in recycled wood material was investigated. The effect of recycled wood heterogeneity (e.g., variable wood species and wide particle size distribution) on performance of wood pretreatment and subsequent enzymatic hydrolysis was also evaluated. Microeconomic analysis of lignocellulosic feedstock for a biorefinery using organosolv cooking was calculated with various price scenarios and various proportions of recycled wood instead of fresh beech chips. The results show that the concentration of inorganic pollutants is higher than in fresh wood but below the limit values for polluted wood. Preliminary results on steam explosion and ethanol based organosolv cooking without an acid catalyst showed typical behaviour of softwood for recycled wood of A I quality in respect of hydrolysability, thus being a potential future raw material for sugar production. A I recycled wood can be used in a biorefinery without major problems and can significantly improve the economics of investment in an industrial scale biorefinery.
Starting Page	711
Ending Page	723
Page Count	13
File Format	PDF
ISSN	00183768
Journal	Holz als Roh- und Werkstoff
Volume Number	74
Issue Number	5
e-ISSN	1436736X
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2016-06-07
Publisher Place	Berlin/Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wood Science & Technology Ceramics, Glass, Composites, Natural Methods Operating Procedures, Materials Treatment
Content Type	Text
Resource Type	Article
Subject	Materials Science Forestry

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Steam explosion pretreatment used to remove hemicellulose to enhance the production of a eucalyptus organosolv dissolving pulp

Unevenly distributed thermal treatment of wood: preliminary study—density profiles

Effect of pulping temperature on the morphological properties of TMP made from pine wood

The effect of eucalypt tree overaging on pulping and paper properties

Chemical structure and thermal properties of lignin modified with polyethylene glycol during steam explosion

Dynamic simulation of disintegration of wood chips caused by impact and collisions during the steam explosion pretreatment

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Prior state in gasification for thermal utilization of biomass, e.g. wood

Utilization of recycled wood in biorefineries: preliminary results of steam explosion and ethanol/water organosolv pulping without a catalyst

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