Laboratory studies of the impact of aerosol composition on the heterogeneous oxidation of 1-propanol

摘要

The effects of (NH_4)_2SO_4, NH_4NO_3, NaCl, NH_4Cl, and Na_2SO_4 aerosols on the kinetics of 1-propanol oxidation in the presence of the hydroxyl radical have been investigated using the relative rate technique, p-Xylene was used as a reference compound. Two different aerosol concentrations that are typical of polluted urban conditions were tested. The total surface areas of aerosols were 1400 (condition I) and 3400 μm~2 cm~(-3) (condition II). Results indicate that aerosols promote the oxidation of 1-propanol, and the extents of the promoting effects depend on the aerosol composition and concentration.