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Bioanalytical characterization of dioxin-like activity in sewage sludge from Beijing, China
POPs Research Centre, Department of Environmental Science and Engineering, Tsinghua University, Beijing, China.
POPs Research Centre, Department of Environmental Science and Engineering, Tsinghua University, Beijing, China.
POPs Research Centre, Department of Environmental Science and Engineering, Tsinghua University, Beijing, China.
UNEP Chemicals Branch, DTIE, 11-13, Châtelaine (GE), Switzerland.ORCID iD: 0000-0003-1496-9245
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2009 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 75, no 5, 649-653 p.Article in journal (Refereed) Published
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Text
Abstract [en]

In this preliminary study, the bioanalytical characterization of dioxin-like activity in the sludge of all the nine municipal sewage treatment plants from Beijing city Was Studied using chemically activated luciferase gene expression (CALUX) assay. The influence of heating period in winter, sewage and sludge treatment processes on the occurrence of dioxin-like activity was also discussed. For the use of clean coal and natural gas, heating did not have significant influence on the occurrence level of PCDD/Fs and dioxin-like-PCBs in this study. Anaerobic-aerobic-anoxic sewage treatment process did not show a good performance in the reduction of dioxin-like activity which is useful in the removal of chemical oxygen demand (COD) and nitrogen. Anaerobic digestion of sludge increased the concentration of PCDD/Fs from 30.1 to 68.3 pg CALUX-TEQ g(-1) d.w., and total dioxin-like activity from 32.2 to 69.3 pg CALUX-TEQ g(-1) d.w. This cost-effective and quick test is useful for large developing countries like China in monitoring programs to obtain baseline data about the scale of contamination caused by dioxin-like activity. It is also a useful component in the monitoring capacity building of dioxins.

Place, publisher, year, edition, pages
Elsevier, 2009. Vol. 75, no 5, 649-653 p.
Keyword [en]
Dioxin-like activity; PCDD/Fs; Dioxin-like-PCBs; Sewage sludge; CALUX; Anaerobic digestion
National Category
Chemical Sciences Environmental Sciences
Research subject
Chemistry; Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-47623DOI: 10.1016/j.chemosphere.2008.12.064ISI: 000265965800014PubMedID: 19201008Scopus ID: 2-s2.0-64249099209OAI: oai:DiVA.org:oru-47623DiVA: diva2:901283
Note

Funding Agencies:

National Natural Science Foundation of China 50625823

Hiyoshi Corporation, Japan

Tsinghua University

Available from: 2016-02-07 Created: 2016-01-19 Last updated: 2017-10-17Bibliographically approved

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