Year-end Sale % OFF 
Abstract
The reaction of SO 2 and NH 3 in humid air to produce an aerosol of ammonium sulfate is studied in a photolytic laboratory reactor. The reaction is shown to be controlled by ultraviolet irradiation in the wavelength range of 240–330 nm and is initiated by excitation of SO 2. It is found that NH 3 has a strong catalytic effect on the photolytic oxidation of SO 2 and surprisingly high values of the quantum yield are observed with NH 3 concentration in the range of 20–400 ppm. The reaction rate increases with decreasing temperature. An overall mechanism for the formation of aerosol particles is proposed. It is concluded that aerosol formation due to sunlight photolysis by this mechanism explains the high-opacity smoke formed in industrial stack plumes with small amounts of NH 3 and SO 2.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
