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Effects of biological treatment on the chemical structure of dissolved lignin-related substances in effluent from thermomechanical pulping
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2008 (English)In: Nordic Pulp & Paper Research Journal, ISSN 0283-2631, E-ISSN 2000-0669, Vol. 23, no 2, 164-171 p.Article in journal (Refereed) Published
Abstract [en]

Effluent from a TMP-based pulp and paper mill was collected at the inlet and outlet of the mill's biological treatment plant and fractionated by sorption on XAD-8 resin and MTBE precipitation. Fractionation indicated that the refractory dissolved organic material in biologically treated effluent was mainly composed of lignin-related substances. Characterisation of the lignin-related substances by chromatographic and spectrometric methods confirmed the similarities of the isolated material and milled wood lignin. Fractionation and characterisation of alkali-extracted material from solids (biosludge) in biologically treated effluent found evidence of lignin-related material. Results indicated that biological treatment had altered the chemical structure and molar-mass distribution of dissolved lignin-related substances.

Place, publisher, year, edition, pages
2008. Vol. 23, no 2, 164-171 p.
Keyword [en]
wastewater treatment, biodegradability, thermomechanical pulping, lignin, COD, chromatography, spectrometry, thermally assisted hydrolysis, paper-mill, waste-water, self-diffusion, spectrometry, pyrolysis, removal, wood
Identifiers
URN: urn:nbn:se:kth:diva-17747ISI: 000258174600003OAI: oai:DiVA.org:kth-17747DiVA: diva2:335792
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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