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Mechanism of the adsorption process of pinosylvin and some polyhydroxybenzenes onto the structure of lignin
Hungarian Academy of Sciences, Institute of Chemistry.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0001-9794-8305
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2004 (English)In: Vibrational Spectroscopy, ISSN 0924-2031, E-ISSN 1873-3697, Vol. 36, no 1, p. 65-72Article in journal (Refereed) Published
Abstract [en]

The lignin Induline AT was used as model substrate to observe the adsorption of pinosylvin, trans-stilbene, pyrocatechol, resorcinol, hydroquinone, pyrogallol and phloroglucinol. Prior to adsorption the adsorbates were dissolved in diethylether. Infrared spectra of adsorbed compounds were recorded using the diffuse reflectance infrared Fourier transform (DRIFTS) technique. Far IR spectra of the adsorbed pinosylvin and polyhydroxybenzenes were used to facilitate the interpretation on the mechanism of adsorption. Vibrational analysis by quantum chemical calculations, available for most of the polyhydroxybenzenes, were utilized. The interaction between adsorbed species and lignin was found to be mainly mediated through the formation of hydrogen bonds.

Place, publisher, year, edition, pages
2004. Vol. 36, no 1, p. 65-72
National Category
Physical Chemistry Physical Chemistry
Research subject
Physical Chemistry; Chemistry of Interfaces
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URN: urn:nbn:se:ltu:diva-7281DOI: 10.1016/j.vibspec.2004.03.001ISI: 000225111400007Scopus ID: 2-s2.0-7444231099Local ID: 59f02e90-7f22-11db-8824-000ea68e967bOAI: oai:DiVA.org:ltu-7281DiVA, id: diva2:980170
Note
Validerad; 2004; 20061128 (ysko)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Holmgren, AllanForsling, WillisLindberg, Mats

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