CPL - Chalmers Publication Library
| Utbildning | Forskning | Styrkeområden | Om Chalmers | In English In English Ej inloggad.

Chromatographic separation of wood model constituents-Mathematical modeling and parameter estimation

Niklas Westerberg (Institutionen för kemi- och bioteknik, Kemisk apparatteknik) ; Anders Rasmuson (Institutionen för kemi- och bioteknik, Kemisk apparatteknik)
Chemical Engineering Research and Design (0263-8762). Vol. 92 (2013), 7, p. 1363-1370.
[Artikel, refereegranskad vetenskaplig]

A mathematical model of the hydrophobic adsorption chromatographic separation of wood model constituents has been developed. Veratryl alcohol was selected to illustrate a lignin molecule and salicin was selected to illustrate a lignin-carbohydrate complex. A variety of available experimental methods in combination with parameter fitting was used to estimate the parameters of packed bed porosity, axial dispersion, film mass transfer, diffusivities and adsorption equilibria with a phenylic silica stationary phase. The model was verified to simulate the separation to within an accuracy of 95%. The model was, however, unable to predict the phenomenon of elution curve fronting, caused by the channeling of the packed bed.

Nyckelord: Biorefinery , Chromatography , Lignin-carbohydrate complex , Modeling , Parameter estimation , Wood constituents

Denna post skapades 2014-06-23. Senast ändrad 2015-12-17.
CPL Pubid: 199485


Läs direkt!

Länk till annan sajt (kan kräva inloggning)

Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Kemisk apparatteknik (2005-2014)



Chalmers infrastruktur