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Occurrence,removal and emission of per-and polyfluorinated alkyl substances(PFASs)from chrome plating industry:A case study in Southeast China

引用

Emerging Contaminants 2020年第1期6卷 376-384页

作者： Yingxi Qu Jun Huang wolfram willand Roland Weber State Key Joint Laboratory of Environment Simulation and Pollution Control(SKLESPC) Beijing Key Laboratory for Emerging Organic Contaminants Control(BKLEOC)Beijing Laboratory for Environmental Frontier Technologies(BLEFT)School of EnvironmentTsinghua UniversityBeijing100084China IUW International Consultant on Integrated Environmental Protection Hochfirstweg 1279853 LenzkirchGermany POPs Environmental Consulting Ulmenstrasse 2373527Schw€abisch GmündGermany

Per-and polyfluorinated alkyl substances(PFASs)have been used since the 1950s as chrome mist suppressant(CMS)in the electroplating *** this study,various samples within an electroplating factory,the related wastewater treatment facilities and surrounding environment at Hangzhou Bay in Southeast China were investigated for the occurrence and removal of *** and 6:2 Cl-PFAES are predominant compounds in the *** PFASs in the bath solution of the workshops had some differences from the final releases,partly because of the historic usage and memory *** and 6:2 Cl-PFAES were found in high concentration(5500 and 154.5 mg/L in influent,795 and 985 mg/L in effluent)in the electroplating Wastewater Treatment Plant(WWTP).The ultrafiltration and reverse osmosis(RO)treatment had a significant removal efficiency(74%e100%).On the other hand the reduction,precipitation and anaerobic/anoxic/oxic(A2/O)treatment had poor removal efficiency for *** receiving river samples had levels of PFASs between 300 and 1500 ng/L,and the concentrations of PFOS and 6:2 Cl-PFAES decreased with increasing distance to the municipal WWTP outlet due to *** concentrations of PFOA in the river water samples were also high but might originate from other *** relevant ecological risk is noteworthy,especially for PFOS and PFOA for which limits have been *** is an urgent need to control plating industries in China and *** a GEF project related to Stockholm Convention implementation has reduced and possibly eliminated PFOS use and release in the plating industry in *** addition,it will be important to evaluate and control the alternatives used.

关键词： PFASs Chrome plating Removal PFOS F-53B

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