Levels, Compositions, and Inventory of Polybrominated Diphenyl Ethers in Sewage Sludge of Guangdong Province, South China

Overview

Journal Environ Sci Pollut Res Int

Publisher Springer

Specialties Environmental Health
Toxicology

Date 2013 Jun 4

PMID 23729027

Citations 1

Authors

Yong Ran

Juan Yang

Yejun Liu

Xianying Zeng

Hongyan Gui

Eddy Y Zeng

Affiliations

Soon will be listed here.

Abstract

Polybrominated diphenyl ethers (PBDEs) were measured in sewage sludge samples collected from major wastewater treatment plants in Guangdong Province, South China. Concentrations of ∑39PBDE (all 39 compounds including tri- to hepta- PBDE congeners except for BDE-209) ranged from 3.6 to 428 ng/g dw with a mean value of 67.4 ng/g dw and a median value of 25.9 ng/g dw, and those of BDE-209 ranged from 9.9 to 5,010 ng/g dw (mean 1,024 ng/g dw and median 824 ng/g dw). The PBDE mixtures detected were mainly comprised of penta-, octa-, and deca-BDEs, with deca-BDE as the dominant constituent. The most abundant congeners, excluding BDE-209, were BDE-47, BDE-99, and BDE-183. Good correlations were found among the concentrations of BDE-47, BDE-99, BDE-100, BDE-138, and BDE-154 (r>0.8). However, poor correlations were found between the concentrations of BDE-209 and all other congeners (r<0.3). This fact suggests that most tri- to hepta-BDEs detected did not originate from decomposition of deca-BDE. The estimated annual emission of ∑allPBDEs, ∑39PBDEs, penta-BDE, octa-BDE, and deca-BDE to the Pearl River Delta environment (PRD), based on the sludge samples analyzed, amounts to 232, 20.2, 5.5, 1.7, and 212 kg per year, implicating sewage sludge as a significant source of PBDEs to the PRD environment.

Citing Articles

Management of waste containing polybrominated diphenyl ethers: A review.

Kostenko O, Flores Del Pino L, Jorge-Montalvo P, Visitacion-Figueroa L Heliyon. 2024; 10(22):e40229.

PMID: 39584110 PMC: 11585757. DOI: 10.1016/j.heliyon.2024.e40229.

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