Mass-flow-based removal and transformation potentials for TBBPA, HBCDs and PBDEs during wastewater treatment processes
| Autor: | Jeong-Eun Oh, Un-Jung Kim |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Environmental Engineering
Ultraviolet Rays Health Toxicology and Mutagenesis Polybrominated Biphenyls 0211 other engineering and technologies 02 engineering and technology Wastewater 010501 environmental sciences Waste Disposal Fluid 01 natural sciences chemistry.chemical_compound Bioreactors Polybrominated diphenyl ethers Halogenated Diphenyl Ethers Environmental Chemistry Waste Management and Disposal Effluent Flame Retardants 0105 earth and related environmental sciences Hexabromocyclododecane 021110 strategic defence & security studies Diphenyl ether technology industry and agriculture Pollution Hydrocarbons Brominated chemistry Environmental chemistry Brominated flame retardant Tetrabromobisphenol A Sewage treatment Water Pollutants Chemical |
| Zdroj: | Journal of Hazardous Materials. 355:82-88 |
| ISSN: | 0304-3894 |
| Popis: | At a sewage treatment plant, 27 polybrominated diphenyl ethers, 17 methoxylated brominated diphenyl ethers, nine hydroxylated brominated diphenyl ethers, three hexabromocyclododecane diastereomers, and tetrabromobisphenol A were monitored at five major treatment stages (the influent, primary settlement stage, biological reaction stage, secondary settlement stage, and the UV irradiation disinfection stage). Hexabromocyclododecanes were the dominant chemicals, contributing 40% of the total concentrations of the chemicals in the dissolved phase of the sewage. Brominated flame retardant mass flow in the wastewater was lower after than before the biological reaction stage, and more than 70% of the inflowing mass load was removed from the mainstream wastewater by becoming associated with the sludge. More than half of mass loads of parent brominated flame retardants in the wastewater were removed after the treatments, but up to 10% of the initial mass loads remained in the final effluent and was expected to be released into the aquatic environment. The hydroxylated and methoxylated brominated diphenyl ether concentrations decreased by |
| Databáze: | OpenAIRE |
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