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Effects of biologic...
Effects of biological treatment on the chemical structure of dissolved lignin-related substances in effluent from thermomechanical pulping
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- Andersson, Kerstin (författare)
- Mittuniversitetet,Institutionen för naturvetenskap, teknik och matematik (-2012)
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Pranovich, Andrey (författare)
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- Norgren, Magnus (författare)
- Mittuniversitetet,Institutionen för naturvetenskap, teknik och matematik (-2012)
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Eriksson, Marie (författare)
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Holmbom, Bjarne (författare)
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(creator_code:org_t)
- 2008
- 2008
- Engelska.
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Ingår i: Nordic Pulp & Paper Research Journal. - 0283-2631 .- 2000-0669. ; 23:2, s. 164-171
- Relaterad länk:
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https://miun.diva-po... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Pappers-, massa- och fiberteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Paper, Pulp and Fiber Technology (hsv//eng)
Nyckelord
- wastewater treatment
- biodegradability
- thermomechanical pulping
- lignin
- COD
- chromatography
- spectrometry
- Cellulose and paper engineering
- Cellulosa- och pappersteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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