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Removal efficiency of vapour/particulate phase PAHs by

Jun 15, 2012 In the present study, most workers near the furnace and pouring areas wore a cotton fabric face mask, N95 and active carbon face mask, in addition to the restricted removal efficiency of particulates PAHs for these face masks, the major problem for each face mask might be how to remove vapour phase PAHs because the large proportion of vapour

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Airflow resistance and bio filtering performance of carbon

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