Molecular spectra of liquors as method of studying delignification process
Sukhov, D. A., Derkacheva, O., Pakkanen, H., & Alén, R. (2011). Molecular spectra of liquors as method of studying delignification process. In K. G. Bogolitcin (Ed.), Physical Chemistry of Plant Polymers Materials. IV International Conference, 14-17 June 2011, Arkhangelsk, Russia (pp. 70-73). Archangelsk University. http://conf.uran.ru/pcnp/Sbornik.pdf
Toimittajat
Päivämäärä
2011Tekijänoikeudet
© 2011 the Authors & Archangelsk University.
FTIR-spectra of dried compounds of black liquors after aspen kraft cooks of different
duration were obtained. Twelve samples corresponding to changing H-factor value in limits
4-1010 were investigated. The parameters of selected bands corresponding to lignin fragments
vibrations were calculated using mathematical treatment methods. It was revealed that the
positions and bandwidths of these lignin bands did not change. During cook at the first stage
(H-factor values 4-200) their intensities strongly increased with different rates. During the
next time period when the H-factor values were more than 200 a slow phase with small
changes of the bands intensities were revealed. The IR-spectra of black liquors can help to
understand kinetic of hardwood kraft cook in detail throughout evaluating content and
structure of dissolved lignin using bands intensities.
Julkaisija
Archangelsk UniversityISBN
978-5-261-00439-4Emojulkaisun ISBN
Konferenssi
International Conference of Physical Chemistry of Plant PolymersKuuluu julkaisuun
Physical Chemistry of Plant Polymers Materials. IV International Conference, 14-17 June 2011, Arkhangelsk, RussiaAsiasanat
Alkuperäislähde
http://conf.uran.ru/pcnp/Sbornik.pdfJulkaisu tutkimustietojärjestelmässä
https://converis.jyu.fi/converis/portal/detail/Publication/24887825
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