Emission characteristics of VOCs emitted from consumer and commercial products and their ozone formation potential
2015
Dinh, Trieu-Vuong | Kim, Su-Yeon | Son, Youn-Suk | Choi, In-Young | Park, Seong-Ryong | Sunwoo, Young | Kim, Jo-Chun
The characteristics of volatile organic compounds (VOCs) emitted from several consumer and commercial products (body wash, dishwashing detergent, air freshener, windshield washer fluid, lubricant, hair spray, and insecticide) were studied and compared. The spray products were found to emit the highest amount of VOCs (~96 wt%). In contrast, the body wash products showed the lowest VOC contents (~1.6 wt%). In the spray products, 21.6–96.4 % of the VOCs were propane, iso-butane, and n-butane, which are the components of liquefied petroleum gas. Monoterpene (C₁₀H₁₆) was the dominant component of the VOCs in the non-spray products (e.g., body wash, 53–88 %). In particular, methanol was present with the highest amount of VOCs in windshield washer fluid products. In terms of the number of carbon, the windshield washer fluids, lubricants, insecticides, and hair sprays comprised >95 % of the VOCs in the range C₂–C₅. The VOCs in the range C₆–C₁₀ were predominantly found in the body wash products. The dishwashing detergents and air fresheners contained diverse VOCs from C₂ to C₁₁. Besides comprising hazardous VOCs, VOCs from consumer products were also ozone precursors. The ozone formation potential of the consumer and commercial spray products was estimated to be higher than those of liquid and gel materials. In particular, the hair sprays showed the highest ozone formation potential.
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