[논문]多層カーボンナノチューブ製造工場における気中粒子の測定及び炭素分析　1

鷹屋 光俊; 芹田 富美雄; 小野 真; 理子; 篠原 也寸志; 齊藤 宏之; 甲田 茂樹

doi:10.1539/sangyoeisei.B9020

多層カーボンナノチューブ製造工場における気中粒子の測定及び炭素分析　1
Airborne Particles in a Multi-wall Carbon Nanotube Production Plant: Observation of Particle Emission and Personal Exposure 1: Measurement in the Packing Process 원문보기

産業衛生學雜誌 = Journal of occupational health, v.52 no.4, 2010년, pp.182 - 182

鷹屋光俊 (独) , 芹田富美雄 (立行政法人労) , 小野真理子 (働) , 篠原也寸志 (安全衛生総) , 齊藤宏之 (合研) , 甲田茂樹 (究所環境計測管理研)

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Objectives: In order to assess the exposure risks of multiwall carbon nanotubes (MWCNT) for packing workers, we carried out real-time monitoring in the two types of packing facilities of MWCNT, and exposure measurements for the packing workers. Methods: In the real-time monitoring, a scanning mobility particle sizer (SMPS) and an optical particle counter (OPC) were used to measure nanoscale particles and sub-micron/micron scale particles, respectively. A personal sampler with PM 4.0 was used to measure the personal exposures in the packing facilities. Results: One of the packing facilities is manually operated and the other is automated. The concentrations of airborne dust in both facilities were almost the same as each other at 0.24 mg/m3 (total dust). However, the results of personal exposure measurements were quite different between the two facilities. The exposure concentrations of workers in the manually and automated operations were 2.39/0.39 (total/respirable) mg/m3 and 0.29/0.08 (total/respirable) mg/m3, respectively. From the time series study, submicron scale particles were released into the workplace air when the CNT products were put into temporary container bags from a hopper and manually packed into shipping bags. However, the task-related nanoscale particle release was not observed. Conclusions: The manual packing operation is one of the “hot spots” in MWCNT production facilities, and automation brings much improvement to reduce MWCNT exposure. (San Ei Shi 2010; 52: 182-188)

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12) 小倉勇(産業技術？合？究所),未公表デ？タ

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多層カーボンナノチューブ製造工場における気中粒子の測定及び炭素分析　1
Airborne Particles in a Multi-wall Carbon Nanotube Production Plant: Observation of Particle Emission and Personal Exposure 1: Measurement in the Packing Process 원문보기

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多層カーボンナノチューブ製造工場における気中粒子の測定及び炭素分析 1 Airborne Particles in a Multi-wall Carbon Nanotube Production Plant: Observation of Particle Emission and Personal Exposure 1: Measurement in the Packing Process 원문보기

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多層カーボンナノチューブ製造工場における気中粒子の測定及び炭素分析　1
Airborne Particles in a Multi-wall Carbon Nanotube Production Plant: Observation of Particle Emission and Personal Exposure 1: Measurement in the Packing Process 원문보기