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Assessment of Pollutant Emissions from Dry‐Process Photocopiers
Author(s) -
Brown S. K.
Publication year - 1999
Publication title -
indoor air
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.387
H-Index - 99
eISSN - 1600-0668
pISSN - 0905-6947
DOI - 10.1111/j.1600-0668.1999.00005.x
Subject(s) - pollutant , ozone , environmental chamber , environmental science , sink (geography) , environmental engineering , waste management , environmental chemistry , nitrogen dioxide , formaldehyde , idle , chemistry , engineering , organic chemistry , computer science , geography , cartography , operating system
Processes involved in pollutant emissions from a dry‐process photocopier have been investigated in a controlled room dynamic environmental chamber. Volatile organic compound (VOC) emissions occurred at a constant rate dependent on copy speed. However, VOC emission rates per copy were increased by increases in chamber temperature (e.g., a 20% increase resulted from increasing temperature from 23°C to 32°C) or changing from single‐ to double‐sided operation (40% increase). Respirable particle emissions occurred under copier‐idle mode (probably from residues in the machine) as well as with copying. No significant chamber sink effects were observed for VOCs or respirable particles. Small emissions of nitrogen dioxide, ozone and formaldehyde were observed but were difficult to interpret. A procedure for assessing pollutant emissions from photocopiers is recommended.