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Current Trends in Pretreatment and Fractionation of Lignocellulose as Reflected in Industrial Patent Activities

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Leitner,  Walter
RWTH Aachen University, Institut für Technische und Makromolekulare Chemie (ITMC), Worringer Weg 1, 52074 Aachen, Germany;
Service Department Leitner (Technical Labs), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Dominguez de Maria, P., Grande, P. M., & Leitner, W. (2015). Current Trends in Pretreatment and Fractionation of Lignocellulose as Reflected in Industrial Patent Activities. Chemie-Ingenieur-Technik, 87(12), 1686-1695. doi:10.1002/cite.201500122.


Cite as: http://hdl.handle.net/11858/00-001M-0000-002B-9AB8-8
Abstract
The pretreatment process to disintegrate lignocellulose and to fractionate its three main components hemicellulose, cellulose, and lignin, is a crucial step to enable sustainable and economic value chains based on biomass feedstock. This review provides an overview of the recent patenting activities on pretreatment. Most of these activities focus on optimization of different known processes to improve economics, such as increased catalyst efficiency, effluents recirculation, or lignin valorization. However, also a number of patents and demonstration activities based on emerging concepts for pretreatments are observed.