Physico-Chemical Conversion of Sulphur Dioxide in a Power Plant Plume

Ella E. Lewin

    Research output: Book/ReportReport

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    Abstract

    A review is given of the actual knowledge of SO- atmospheric processes gained from laboratory and field experiments. Implementation is described of the instrumentation, operational prodecures and analytical methods in connection with a field study of the conversion and dispersion of SO- in an oil-fired power plant plume. Furthermore, the preliminary results are included of five experiments performed until the end of 1976.

    Measurements were performed from an aircraft and included continuous registration of NOx, SO2, SF6, and particle concentrations, as well as temperature and humidity. It was planned to label sulphur from the source in question with sulphur-35. However, this part of the experiment had to be abandoned because
    of public opinion on the use of radioactive tracers. Sulphur hexafluoride was used as an internal tracer for the plume. A half-life for S02 of about 30 min was determined from one of the experiments. In this connection the possibility of using NO as a conservative tracer is shown. Possible ways of removal are discussed and the rate of two of the processes is calculated by means of a model describing the chemical conversion in a dispersing plume.
    Original languageEnglish
    Place of PublicationRoskilde, Denmark
    PublisherRisø National Laboratory
    Number of pages116
    ISBN (Print)87-550-0520-0
    Publication statusPublished - 1978
    SeriesDenmark. Forskningscenter Risoe. Risoe-R
    Number364
    ISSN0106-2840

    Keywords

    • Risø-R-364
    • Risø-364
    • Risø report 364

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