2008
DOI: 10.4209/aaqr.2008.01.0002
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Adsorption Characteristics of Granular Activated Carbon and SPME Indication of VOCs Breakthrough

Abstract: Internal circulation cabinets equipped with granular activated carbon (GAC) to adsorb volatile organic compounds (VOCs) are extensively utilized to store bottles containing organic solvents in Taiwanese university, college, and hospital laboratories. This work evaluates the VOC adsorption capacity of GAC with various adsorption periods for 102-2652 ppm average inlet toluene concentrations at 27 o C and relative humidity (RH) 72 ± 3%. Additionally, solid-phase microextraction (SPME) technology was employed for … Show more

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Cited by 22 publications
(18 citation statements)
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“…Composed of a defined distance from the needle opening arrangement, the commercial SPME ( Fig. 1) can sample volatile organic compounds (VOCs) based on the sampling mode of passive timeweighted average (TWA) (Tuduri et al, 2002;Larroque et al, 2006;Cheng, 2008). This in-tube sampling device can also generate a response proportional to the integral of the analyte concentration over time (Pawliszyn, 2009).…”
Section: Introductionmentioning
confidence: 99%
“…Composed of a defined distance from the needle opening arrangement, the commercial SPME ( Fig. 1) can sample volatile organic compounds (VOCs) based on the sampling mode of passive timeweighted average (TWA) (Tuduri et al, 2002;Larroque et al, 2006;Cheng, 2008). This in-tube sampling device can also generate a response proportional to the integral of the analyte concentration over time (Pawliszyn, 2009).…”
Section: Introductionmentioning
confidence: 99%
“…They have unique physicochemical as well as electrical properties and have various emerging applications in field emission, hydrogen storage, and chemical sensors (Lu et al, 2005). They not only can adsorb volatile organic compounds (VOC) (Cheng, 2008;Sone et al, 2008) and heavy metal (Li et al, 2003) but also act as a filter (Tsai et al, 2008).…”
Section: Introductionmentioning
confidence: 99%
“…3 and 4 show that the cancer risks of benzene and trichloromethane were reduced from 2.77-3.98 × 10 Moreover, sewer workers who wore breathing protection equipment were also evaluated. Owing to the high cancer risk associated with breathing workspace air, gas filtering equipment should be used, in which the inhaled air passes through a filter where the gas contaminants were eliminated, such as gas and vapor filtering equipment (Cheng, 2008;Zuo et al, 2010). Fullface masks generally described masks in which the filtering chamber was attached directly to the chin area of the mask.…”
Section: Estimate Of Cancer Risk Increment For Sewer Workermentioning
confidence: 99%