Physical and chemical processes of sulphur dioxide in the plume from an oil-fired power station

H. Flyger, E. Lewin, E. Lund Thomsen, J. Fenger, E. Lyck, S. E. Gryning

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    Abstract

    The Danish contribution to the EUROCOP COST 61a project is described. Work concerned the physical and chemical reactions of sulphur dioxide released from a power station. The investigation was based on the application of two tracers. Inactive, inert SF, is used to monitor the dispersion of and deposition from the plume; it was intended to use radioactive 35SO2 to determine the degree of oxidation of sulphur released from the stack; so far, however, public reaction has prevented the use of a release of activity in field experiments. The report describes the construction and testing of airbornr instruments for continuous registration of sulphur dioxide, nitrogen oxides, ozone and the tracer SFg, as well as for measurements of temperature and humidity. Sulphur samples were collected on filter paper in a specially constructed low volume air sampler, and the subsequent chemical analysis in the laboratory is described. Finally, the problem of navigation is treated. It is shown that nitrogen oxides may be used as an internal tracer in plume experiments. Preliminary experiments based on inactive analysis only indicated an overall half-life for S0_ in the plume of about half an hour.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages60
    ISBN (Print)87-550-0438-5
    Publication statusPublished - 1977
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number328
    ISSN0106-2840

    Keywords

    • Risø-R-328
    • Risø report 328
    • Risø-328

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