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Release and Gas-Particle Partitioning Behaviors of Short-Chain Chlorinated Paraffins (SCCPs) During the Thermal Treatment of Polyvinyl Chloride Flooring
Zhan, Faqiang1,2; Zhang, Haijun1; Wang, Jing3,4; Xu, Jiazhi1,2; Yuan, Heping1; Gao, Yuan1; Su, Fan1; Chen, Jiping1
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY
2017-08-15
DOI10.1021/acs.est.7b01965
51期:16页:9005-9012
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
类目[WOS]Engineering, Environmental ; Environmental Sciences
研究领域[WOS]Engineering ; Environmental Sciences & Ecology
关键词[WOS]VOLATILE ORGANIC-COMPOUNDS ; VEHICLE EMISSIONS ; FLAME RETARDANTS ; HUMAN EXPOSURE ; ATMOSPHERE ; AIR ; CHINA ; BIOACCUMULATION ; ENVIRONMENT ; MIGRATION
英文摘要Chlorinated paraffin (CP) mixture is a common additive in polyvinyl chloride (PVC) products as a plasticizer and flame retardant. During the PVC plastic life cycle, intentional or incidental thermal processes inevitably cause an abrupt release of short-chain CPs (SCCPs). In this study, the thermal processing of PVC plastics was simulated by heating PVC flooring at 100-200 degrees C in a chamber. The 1 h thermal treatment caused the release of 1.9-10.7% of the embedded SCCPs. A developed emission model indicated that SCCP release was mainly controlled by material gas partitioning at 100 degrees C. However, release control tended to be subjected to material-phase diffusion above 150 degrees C, especially for SCCP congeners with shorter carbon-chain lengths. A cascade impactor (NanoMoudi) was used to collect particles of different sizes and gas-phase SCCPs. The elevated temperature resulted in a higher partition of SCCPs from the gas-phase to particle phase. SCCPs were not strongly inclined to form aerosol particles by nucleation, and less present in the Aitken mode particles. Junge-Pankow adsorption model well fitted the partitioning of SCCPs between the gas-phase and accumulation mode particles. Inhalation exposure estimation indicated that PVC processing and recycling workers could face a considerably high risk for exposure to SCCPs.
语种英语
WOS记录号WOS:000407987400014
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/149865
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, CAS Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Swiss Fed Inst Technol, Inst Environm Engn, CH-8093 Zurich, Switzerland
4.Empa, Swiss Fed Labs Mat Sci & Technol, CH-8600 Dubendorf, Switzerland
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Zhan, Faqiang,Zhang, Haijun,Wang, Jing,et al. Release and Gas-Particle Partitioning Behaviors of Short-Chain Chlorinated Paraffins (SCCPs) During the Thermal Treatment of Polyvinyl Chloride Flooring[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2017,51(16):9005-9012.
APA Zhan, Faqiang.,Zhang, Haijun.,Wang, Jing.,Xu, Jiazhi.,Yuan, Heping.,...&Chen, Jiping.(2017).Release and Gas-Particle Partitioning Behaviors of Short-Chain Chlorinated Paraffins (SCCPs) During the Thermal Treatment of Polyvinyl Chloride Flooring.ENVIRONMENTAL SCIENCE & TECHNOLOGY,51(16),9005-9012.
MLA Zhan, Faqiang,et al."Release and Gas-Particle Partitioning Behaviors of Short-Chain Chlorinated Paraffins (SCCPs) During the Thermal Treatment of Polyvinyl Chloride Flooring".ENVIRONMENTAL SCIENCE & TECHNOLOGY 51.16(2017):9005-9012.
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