Emission measurement and safety assessment for the production process of silicon nanoparticles in a pilot-scale facility

Wang, Jing; Asbach, Christof; Fißan, H.; Hülser, Tim; Kaminski, Heinz; Kuhlbusch, Thomas A. J.; Pui, David Y.H.

doi:10.1007/s11051-012-0759-y

Cited by 29 publications

(30 citation statements)

References 16 publications

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“…• Class I: size-resolved, time-resolved instruments whose particle detection capability is based on optical or electrical mobility, such as the Scanning Mobility Particle Sizer (SMPS) [30,31], Fast Mobility Particle Sizer (FMPS) [32][33][34], Optical Particle Counter (OPC) [35][36][37] and Electrical Low-Pressure Impactor (ELPI) [38,39]. • Class II: size-integrated, time-resolved instruments, such as the Condensation Particle Counter (CPC) [30,36] and Nanoparticle Surface Area Monitor (NSAM) [40,41].…”

Section: Instruments and Techniquesmentioning

confidence: 99%

Occupational Release of Engineered Nanoparticles: A Review

Faghihi

Morawska

2015

The Handbook of Environmental Chemistry

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Characterising the release of different types of engineered nanoparticles (ENPs) from various processes is of critical importance for the assessment of human exposure, as well as understanding the possible health effects of these particles. Therefore, the main aim of this chapter is to present a comprehensive review of studies which report on the release of airborne ENPs in different nanotechnology workplaces. The chapter will cover topics of relevance to the occupational characterisation of ENP emissions, ranging from the identification of different particle release sources and scenarios to measurement methods and working towards a more uniform approach to characterisation. Furthermore, a brief review of ENP exposure control strategies, together with the application of mathematical modelling as an effective tool for the characterisation of emissions at nanotechnology workplaces, is included.

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Section: Instruments and Techniquesmentioning

confidence: 99%

Occupational Release of Engineered Nanoparticles: A Review

Faghihi

Morawska

2015

The Handbook of Environmental Chemistry

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“…This exposure scenario focuses on the emission of nanoparticles into the workplace during the production of silicon nanoparticles in a pilot plant facility, based on a study undertaken by Wang et al [49]. The exposure scenario consists of three CES as detailed below: CES 2.1 Synthesis of silicon nanoparticles in a pilot plant facility using a hot wall reactor CES 2.2 Bagging and packaging of silicon nanoparticles in a pilot plant facility CES 2.3 Cleaning of the tubing system within a pilot plant facility used to synthesize silicon nanoparticles.…”

Section: Case Study Es2: Production Of Silicon Nanoparticles In a Pilmentioning

confidence: 99%

Nanotechnology and Exposure Scenarios

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Jiménez

Ross

et al. 2014

Handbook of Nanosafety

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“…High particle emission has been observed during an extrusion operation for production of polymer-based pellets, 38 and during thermal seal of plastic bags. 39 Polymer additives (e.g., flame retardants, plasticizers) could also be emitted to the environment absorbed within heat-generated nano-and micrometer particles. Co-release of additives and nano-and micrometer particles from polymer processing has not been investigated before and the present study should raise the awareness for such emission processes.…”

Section: −1mentioning

confidence: 99%

Co-Release of Hexabromocyclododecane (HBCD) and Nano- and Microparticles from Thermal Cutting of Polystyrene Foams

Zhang

Kuo

Gerecke

et al. 2012

Environ. Sci. Technol.

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Polystyrene foam is a very important insulation material, and hexabromocyclododecane (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 × 10 12 particles m −3, and the air concentration of HBCD was more than 50 μg 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.

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Emission measurement and safety assessment for the production process of silicon nanoparticles in a pilot-scale facility

Cited by 29 publications

References 16 publications

Occupational Release of Engineered Nanoparticles: A Review

Occupational Release of Engineered Nanoparticles: A Review

Nanotechnology and Exposure Scenarios

Co-Release of Hexabromocyclododecane (HBCD) and Nano- and Microparticles from Thermal Cutting of Polystyrene Foams

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