Effects of biological treatment on the chemical structure of dissolved lignin-related substances in effluent from thermomechanical pulping

被引：16

作者：

Andersson, Kerstin I. ^{[1
,2
]}

Pranovich, Andrey V. ^{[3
]}

Norgren, Magnus ^{[1
]}

Eriksson, Marie ^{[2
]}

Holmbom, Bjarne ^{[3
]}

机构：

[1] Mid Sweden Univ, FSCN, SE-85170 Sundsvall, Sweden

[2] SCA R&D Ctr, SE-85121 Sundsvall, Sweden

[3] Abo Akad Univ, Proc Chem Ctr, Lab Wood & Paper Chem, FI-20500 Turku, Finland

来源：

NORDIC PULP & PAPER RESEARCH JOURNAL | 2008年 / 23卷 / 02期

关键词：

wastewater treatment; biodegradability; thermomechanical pulping; lignin; COD; chromatography; spectrometry;

D O I：

10.3183/npprj-2008-23-02-p164-171

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

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.

引用

页码：164 / 171

页数：8

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