Polychlorinated organic compounds (PCOCs) in waters, suspended solids and sediments of the Yangtse River

Jiang, Xin; Martens, D.; Schramm, K.‐W.; Kettrup, A.; Xu, Suyun; Wang, L.S

doi:10.1016/s0045-6535(99)00435-x

Cited by 59 publications

(39 citation statements)

References 10 publications

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“…PCBs were not produced as target compounds and only imported for the production of electric transformers in China. These compounds were not regarded as major pollutants in China (Jiang et al, 2000).…”

Section: Pah and Pcb Levels In Vo Samplesmentioning

confidence: 99%

PAHs and PCBs accumulated by SPMD-based virtual organisms and feral fish in Three Gorges Reservoir, China

Wang

Henkelmann

et al. 2016

Science of The Total Environment

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Section: Pah and Pcb Levels In Vo Samplesmentioning

confidence: 99%

PAHs and PCBs accumulated by SPMD-based virtual organisms and feral fish in Three Gorges Reservoir, China

Wang

Henkelmann

et al. 2016

Science of The Total Environment

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“…Chlorinated contaminants such as polychlorinated biphenyls (PCBs) and chlorinated benzenes (CBs) have been detected in the Yangtze River water and sediments in low concentrations (Jiang et al 2000;Wang et al 2009). PCBs are anthropogenic environmental pollutants, which originate from the recycling procedures or dumping of electronic wastes (Shen et al 2009;Liu et al 2008).…”

Section: Introductionmentioning

confidence: 99%

“…CBs, especially hexachlorobenzene, had a lot of applications in industry and agriculture (Barber et al 2005). In China, it was used as a cheap broad spectrum insecticide (Jiang et al 2000). Chlorinated ethenes belong to the most commonly found contaminants in the groundwater worldwide, because they had been widely used as cleaning and degreasing agents Tiehm and Schmidt 2011).…”

Section: Introductionmentioning

confidence: 99%

Dechlorination and organohalide-respiring bacteria dynamics in sediment samples of the Yangtze Three Gorges Reservoir

Kranzioch

Stoll

Holbach

et al. 2013

Environ Sci Pollut Res

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Several groups of bacteria such as Dehalococcoides spp., Dehalobacter spp., Desulfomonile spp., Desulfuromonas spp., or Desulfitobacterium spp. are able to dehalogenate chlorinated pollutants such as chloroethenes, chlorobenzenes, or polychlorinated biphenyls under anaerobic conditions. In order to assess the dechlorination potential in Yangtze sediment samples, the presence and activity of the reductively dechlorinating bacteria were studied in anaerobic batch tests. Eighteen sediment samples were taken in the Three Gorges Reservoir catchment area of the Yangtze River, including the tributaries Jialing River, Daning River, and Xiangxi River. Polymerase chain reaction analysis indicated the presence of dechlorinating bacteria in most samples, with varying dechlorinating microbial community compositions at different sampling locations. Subsequently, anaerobic reductive dechlorination of tetrachloroethene (PCE) was tested after the addition of electron donors. Most cultures dechlorinated PCE completely to ethene via cis-dichloroethene (cis-DCE) or trans-dichloroethene. Dehalogenating activity corresponded to increasing numbers of Dehalobacter spp., Desulfomonile spp., Desulfitobacterium spp., or Dehalococcoides spp. If no bacteria of the genus Dehalococcoides spp. were present in the sediment, reductive dechlorination stopped at cis-DCE. Our results demonstrate the presence of viable dechlorinating bacteria in Yangtze samples, indicating their relevance for pollutant turnover. Responsible editor: Robert DuranElectronic supplementary material The online version of this article

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“…In the major water systems in China, significant amounts of HCB can be detected (Table 4). HCB levels in the rivers (Huaihe River, Yellow River, Tonghui River) in north China Wang et al, 2002;Zhou et al, 2005) were several magnitudes higher than the levels in the rivers (Pearl River and Yangtze River) in South China (Jiang et al, 2000;Wei et al, 2007a). HCB concentrations in water from Beijing Guanting reservoir were generally lower than those in rivers (Xue et al, 2005).…”

Section: Water and Sedimentmentioning

confidence: 97%

“…In major rivers in China, HCB concentrations in the sediments from the Haihe River were higher than those in other rivers, which indicated the effects of industrial activities (Ding et al, 2006;Jiang et al, 2000;Sun et al, 2007;Yang et al, 2004). HCB concentrations in sediments in the Beijing Guanting reservoir were generally lower than those in rivers (Xue et al, 2005).…”

Section: Water and Sedimentmentioning

confidence: 99%

Hexachlorobenzene sources, levels and human exposure in the environment of China

Guang

Lü

Han

et al. 2010

Environment International

103

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a b s t r a c t a r t i c l e i n f oThis article summarizes the published scientific data on sources, levels and human exposure of hexachlorobenzene (HCB) in China. Potential sources of unintended HCB emission were assessed by production information, emission factors and environmental policies. HCB was observed in various environmental compartments in China. HCB levels increased from South China to North China in most of environmental compartments (air, soil and mussel). Some hotspots were identified near the factories producing and using HCB. In terms of spatial distribution, HCB concentrations in air and shellfish showed much variation, which indicated some primary emission sources in China. HCB levels in air and human milk in China were relatively higher than those in other countries, but HCB levels in other compartments were similar to those in Europe and other countries in Eastern Asia. In the limited studies on temporal trends of HCB levels in China, HCB concentrations in air, sediment, fish and human milk did not show a consistent downward trend. Although HCB levels in food and human milk does not pose a health risk in China at present, long-term exposure to HCB should not be overlooked.

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Polychlorinated organic compounds (PCOCs) in waters, suspended solids and sediments of the Yangtse River

Cited by 59 publications

References 10 publications

PAHs and PCBs accumulated by SPMD-based virtual organisms and feral fish in Three Gorges Reservoir, China

PAHs and PCBs accumulated by SPMD-based virtual organisms and feral fish in Three Gorges Reservoir, China

Dechlorination and organohalide-respiring bacteria dynamics in sediment samples of the Yangtze Three Gorges Reservoir

Hexachlorobenzene sources, levels and human exposure in the environment of China

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