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Organic Solvent Exposure of Thinner-Using Occupation and Its Treatment by Means of $TiO_2$ Photocatalyst  

양원호 ((주)이앤비코리아)
김현용 ((주)이앤비코리아)
손부순 (순천향대학교 환경보건학과)
박종안 (순천향대학교 환경보건학과)
Publication Information
Journal of environmental and Sanitary engineering / v.17, no.2, 2002 , pp. 26-33 More about this Journal
Abstract
Ultimate objective of industrial hygiene is the prevention of health impairment that may result from exposure to chemicals at workplace. Workers in solvent thinner-using occupation environment may be highly exposed to VOCs (volatile organic compounds) because solvent thinner has been used extensively such as painting, spraying, degreasing, coating and so on in Korea. The purpose of this study was to recognize, evaluate, and propose the control methods of VOCs from solvent thinner-using workplace. Five target volatile organic compounds (benzene, toluene, ethylbenzene, o-xylene, and m-xylene) were monitored in H company of Shiwa Industrial Complex and analyzed in perosnal, occupational indoor and outdoor during working hours simultaneously. Engineering control such as local ventilation should be made in considering the long-term exposure, though measured VOCs concentration did not exceed the workplace exposure standards. In addition, air cleaning device should be installed in local ventilation because Shiwa Industrial Complex has had the serious ambient air pollution. Currently, environmental purification using $TiO_2$ photocatalyst have attracted a great deal of attention with increasing number of recent environmental problems. In this study, $TiO_2$ sol coated on the ceramic bead was prepared by sol-gel method and the photodegradation of target compounds was investigated in gas phase by the exposure to UV-A lamp(365nm) in a batch system.
Keywords
Thinner; Exposure; Organic solvent; $TiO_2$ photocatalyst; Local ventilation;
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