2017 Volume 54 Issue 6 Pages 402-405
In order to characterize the emission behavior of PM2.5/PM10 mass concentration from stationary sources, such as power plants, factories and waste incinerator plants, two-stage virtual impactors were developed for in-stack separation and collection of PM2.5/PM10 in flue gas. This method was adopted as international standard, ISO 13271 (2012) to determine the actual emission behavior of PM2.5/PM10 from stationary sources. PM2.5 separation performance of a virtual impactor was compared with that of a real impactor, which was also international standard method as ISO 23210 (2009). With the conventional cascade real impactor method PM2.5 mass concentration was overestimated by the particle bounce and re-entrainment of coarse particles from the collection plates.
