Portal de Periódicos da CAPES

A Comparison of Polymer Adsorbent and Bag Sampling Techniques for Paint Bake Oven Odorous Emissions

1980; Taylor & Francis; Volume: 30; Issue: 1 Linguagem: Inglês

10.1080/00022470.1980.10465909

2376-6107

Gregory Leonardos, F. Sullivan, Steven P. Levine, R.T. Stordeur, Thomas M. Harvey, Dennis Schuetzle,

Water Quality Monitoring and Analysis

The quantity and quality of chemical components responsible for odors that may be present in a stack effluent can be quite variable, and are often unknown. Therefore, the likelihood that a single sampling technique will be useful for all odor source assessment problems is highly improbable. This paper reports the results of a study comparing the sampling of odor emissions from automobile paint bake ovens with Chromosorb 102 and in Tedlar bags with and without predilution during bag sampling. Profile analysis of the chemical species recovered by these techniques was also performed to gain additional insight into the relative merits of each procedure. Odor presentation was performed using both the continuous dilution-tothreshold and the dose-response techniques. This study indicates that odor sampling with Tedlar bags can be a valid technique for the evaluation of stack emissions where it is known that volatile species are the primary odorants, if sufficient predilution is employed during sampling. Furthermore, Chromosorb sampling followed by pentane elution of odorants can be a valid technique for the odor evaluation of emissions containing substances less volatile than, for example, C3-C4 aldehydes, where it is shown that these less volatile species are the primary odorants. The effects of predilution, odorant composition, and method of odor presentation on the above conclusions are discussed.