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学科主题: 物理化学
题名: Co-Release of Hexabromocyclododecane (HBCD) and Nano- and Microparticles from Thermal Cutting of Polystyrene Foams
作者: Zhang, Haijun3;  Kuo, Yu-Ying1, 2;  Gerecke, Andreas C.1;  Wang, Jing1, 2
通讯作者: YuYingKuo ;  JingWang
刊名: ENVIRONMENTAL SCIENCE & TECHNOLOGY
发表日期: 2012-10-16
DOI: 10.1021/es302559v
卷: 46, 期:20, 页:10990-10996
收录类别: SCI
文章类型: Article
部门归属: 1
项目归属: 103
产权排名: 3,1
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
英文摘要: Polystyrene foam is a very important insulation material, and hexabromoc-yclododecane (HBCD) is frequently used as its flame retardant. HBCD is persistent, bioaccumulative, and toxic, and therefore workplace exposure and environmental emission should be avoided. In this study, we investigated the co-release of HBCD and aerosol particles during the thermal cutting of expanded polystyrene foam (EPS) and extruded polystyrene foam (XPS). The generated particles were simultaneously measured by a fast mobility particle sizer (FMPS) and collected by a cascade impactor (NanoMoudi). In the breathing zone of a cutting worker, the number concentration of aerosol particles was above 1 x 10(12) particles m(-3), and the air concentration of HBCD was more than 50 mu g m(-3). Most of the released HBCD was partitioned into particles with an aerodynamic diameter at the nanometer scale. The average concentrations of HBCD in these submicrometer particles generated from the thermal cutting of EPS and XPS were 13 times and 15 times higher than the concentrations in raw foams, respectively. An occupational exposure assessment indicated that more than 60% of HBCD and 70% of particles deposited in the lung of cutting worker would be allocated to the alveolar region. The potential subchronic (or chronic) toxicity jointly caused by the particles and HBCD calls for future studies.
关键词[WOS]: BROMINATED FLAME RETARDANTS ;  UNITED-KINGDOM ;  HUMAN EXPOSURE ;  INDOOR DUST ;  NANOPARTICLES ;  FINE ;  VARIABILITY ;  EMISSIONS ;  PARTICLE ;  MODEL
语种: 英语
WOS记录号: WOS:000309805000020
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/117894
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Empa, Swiss Fed Labs Mat Sci & Technol, CH-8600 Dubendorf, Switzerland
2.ETH, Inst Environm Engn, CH-8093 Zurich, Switzerland
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Haijun,Kuo, Yu-Ying,Gerecke, Andreas C.,et al. Co-Release of Hexabromocyclododecane (HBCD) and Nano- and Microparticles from Thermal Cutting of Polystyrene Foams[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2012,46(20):10990-10996.
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