Characteristics of Condensed Particulate Matter from Stationary Sources. Relationship between Flue Gas Temperature and Condensed Particulate Matter Properties.:from Relationship between Flue Gas Temperature and Properties of Condensed Particulate Matter

概要

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To elucidate the generation mechanism and to establish a standard measuring method for condensed particulate matter from stationary sources, the properties of condensed particulate matter in heavy oil combustion flue gas were investigated using the duct test, by which the flue gas temperature was controlled. The main results obtained were: 1) Dust sampled from high temperature locations was black, while condensed particulate matter sampled at low temperature locations was brown, and had a pungent odor. 2) Condensed particulate matter concentrations at low temperature locations were high 2-4 times grearter than samples from high temperature locations. 3) Condensed particulate matter appeared filmy in droplet formations ranging from 1 to 10μm in diameter. 4) The component ratio of organic and elemental carbon exhibited no obvious differences between condensed particulate matter and dust; the lavel of condensed particulate matter organic carbon was high at about 90%, while one dust sample was at about 70%. On the other hand, the levels of SO42- in condensed particulate matter and dust were almost equal.
社団法人大気環境学会の論文