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Updated Mini-Review on Polychlorinated Diphenyl Ethers (PCDEs) in Food: Levels and Dietary Intake.
J Food Prot
January 2025
Universitat Rovira i Virgili Laboratory of Toxicology and Environmental Health, School of Medicine, 43201, Reus, Catalonia, Spain. Electronic address:
Polychlorinated diphenyl ethers (PCDEs) are a class of chlorinated aromatic compounds with structural similarities to polychlorinated biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDD/Fs). Due to their physicochemical properties, PCDEs are highly resistant to degradation and tend to accumulate in soils, sediments, and aquatic organisms, making them capable of entering and persisting in the food chain. As with other persistent organic pollutants (POPs), diet represents the primary route of human exposure to PCDEs.
View Article and Find Full Text PDFPotential emission risks of organic compounds from cement kilns.
J Hazard Mater
January 2025
State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; College of Resource and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; Jianghan University, Wuhan 430056, China.
The extensive application of cement kiln industry results in substantial stack gas emissions, posing a potential risk of discharging organic pollutants. Cement industry is not considered as a primary contributor to persistent organic pollutants like polychlorinated dibenzo-p-dioxins and furans (PCDD/Fs), owing to its extremely low emission factor. However, knowledge on the previously unrecognized chemicals that may possess higher emission factors from cement industry is lacking.
View Article and Find Full Text PDFUtilization of municipal solid waste incineration fly ash with different pretreatments with gold tailings and coal fly ash for environmentally friendly geopolymers.
Waste Manag
January 2025
Qilu University of Technology (Shandong Academy of Sciences), Advanced Materials Institute, Shandong Engineering Research Centre of Municipal Sludge Disposal, Jinan 250014, China. Electronic address:
Municipal solid waste incineration fly ash (MSWIFA) is considered a hazardous solid waste, traditionally disposed by solidified landfill methods. However, solidified landfills present challenges with leaching heavy metals, polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs). To address this issue, this study examined two pretreatment methods for MSWIFA: sintering at 850℃ for 30 min and washing with three water baths (20 min each) at a 3:1 liquid-solid ratio.
View Article and Find Full Text PDFPolychlorinated biphenyls induced toxicities upon cell lines and stem cells: a review.
Environ Geochem Health
January 2025
School of Planning, Design and Construction, Michigan State University, East Lansing, MI, 48824, USA.
Polychlorinated biphenyls (PCBs) are persistent organic pollutants emitted during e-waste activities. Upon release into the environment, PCBs can pose harmful effects to the humans and environment. The present review focused on the effects of PCBs on cell proliferation, apoptosis, functional and developmental toxicity and potential possible molecular mechanisms upon cells and stem cells.
View Article and Find Full Text PDFDesign, Implementation and Environmental Impact of Cutoff Wall for Pollution Control in an Industrial Legacy Site.
Toxics
December 2024
Zhejiang Zone-King Environmental Sci & Tech Co., Ltd., Hangzhou 310064, China.
Heavy metal-organic pollutants compound pollution at industrial legacy sites and have caused damage to the ecological environment and human health during recent decades. In view of the difficulty and high cost of post-contamination remediation, it is worth studying, and practically applying, cutoff walls to reduce the spread of pollution in advance. In this study, field-scale studies were carried out at e-waste dismantling legacy sites in Taizhou, Zhejiang Province of China, through the process of site investigation, numerical simulation, and cutoff wall practical application.
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