Partition of polychlorinated dibenzo-p-dioxins and dibenzofurans distribution in water in both suspended solid and dissolved phases

Ming W. Chen, Yee L. Wu, Hsing W. Li, Lin C. Wang, Guo Ping C. Chien

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The contents of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) were measured in soil and water impacted by a chemical factory (chloralkali and pentachlorophenol) and both the PCDD/F contents in soil (14.4 μg I-TEQ kg-1) and water (11.97 pg I-TEQ L-1) were heavily contaminated. Additionally, the PCDD/F distributions in the aquatic environment (suspended solid and dissolved phases) were investigated by performing a water tank experiment with 30 g of soil and 20 L of water. Moreover, the effects of PCDD/F distributions in water were estimated base on three soil sizes (26, 180 and 250 μm). Analytical results indicated that the PCDD/F content in the suspended solid and dissolved phases was 2.19 μg I-TEQ kg-1 and 2.34 pg I-TEQ L-1, respectively, or 85.11% and 14.89%, respectively. The PCDD/F distribution in the suspended solid phase was dominant, while its distribution was independent of soil size. Additionally, placing soil with a high PCDD/F content in water increased the PCDD/F content in suspended solid phase. Moreover, the equation developed in this study can accurately predict the PCDD/F partition between the suspended solid and dissolved phases.

Original languageEnglish
Pages (from-to)183-191
Number of pages9
JournalJournal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume45
Issue number2
DOIs
Publication statusPublished - 2010 Jan 1

All Science Journal Classification (ASJC) codes

  • Environmental Engineering

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