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Characterization of CO2 precipitated Kraft lignin to promote its utilization

M. Nagy ; M. Kosa ; Hans Theliander (Institutionen för kemi- och bioteknik, Skogsindustriell kemiteknik) ; A. J. Ragauskas
Green Chemistry (1463-9262). Vol. 12 (2010), 1, p. 31-34.
[Artikel, refereegranskad vetenskaplig]

Converting pulp mills into forest biorefineries to produce biopower and biomaterials can decrease their environmental impact and increase feasibility at the same time. One of the key challenges to reach this goal is the recovery of lignin from process streams for subsequent utilization in a variety of innovative green processes. This study examines the fundamental chemical structure of lignin recovered from Kraft pulping streams by an acid precipitation/washing methodology. Functional group analysis and molecular weight profiles were determined by NMR and SEC with promising results for future conversions; such as low hydroxyl (oxygen) contents and low molecular weights (similar to 3000 g mol(-1)).

Denna post skapades 2011-01-20. Senast ändrad 2012-02-17.
CPL Pubid: 135397


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Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Skogsindustriell kemiteknik (2005-2014)


Kemiska processer

Chalmers infrastruktur