Polychlorinated biphenyl concentration changes in sewage sludge and organic municipal waste mixtures during composting and anaerobic digestion

被引：27

作者：

Siebielska, Izabela ^{[1
]}

Sidelko, Robert ^{[1
]}

机构：

[1] Koszalin Univ Technol, PL-75453 Koszalin, Poland

来源：

CHEMOSPHERE | 2015年 / 126卷

关键词：

Polychlorinated biphenyls; Composting; Anaerobic digestion; First-order kinetic model; Second-order kinetic model; POLYCYCLIC AROMATIC-HYDROCARBONS; HEAVY-METALS; PCB; DEGRADATION; PAHS; BIOREMEDIATION; EXTRACTION; REMOVAL; SAMPLES; PCDD/F;

D O I：

10.1016/j.chemosphere.2014.12.051

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

We determined the changes in polychlorinated biphenyl (PCB) concentrations in a mixture of sewage sludge and the organic fraction of municipal waste during composting and during anaerobic digestion. The processes were carried out on a laboratory scale. The PCBs were analyzed in the waste samples using gas chromatography-mass spectrometry. We evaluated the rates at which the PCB concentrations decreased during composting and during anaerobic digestion and compared the PCB degradation kinetics during these processes. The most important conclusion of this work is that anaerobic digestion is much more effective than composting at removing PCBs from a mixture of sewage sludge and the organic fraction of municipal waste. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：88 / 95

页数：8

共 24 条

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