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Volume 16, issue 21
Atmos. Chem. Phys., 16, 13653–13668, 2016
https://doi.org/10.5194/acp-16-13653-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Global Mercury Observation System – Atmosphere...

Atmos. Chem. Phys., 16, 13653–13668, 2016
https://doi.org/10.5194/acp-16-13653-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 03 Nov 2016

Research article | 03 Nov 2016

Mercury emissions of a coal-fired power plant in Germany

Andreas Weigelt1,a, Franz Slemr2, Ralf Ebinghaus1, Nicola Pirrone3, Johannes Bieser1,4, Jan Bödewadt1, Giulio Esposito3, and Peter F. J. van Velthoven5 Andreas Weigelt et al.
  • 1Helmholtz-Zentrum Geesthacht (HZG), Institute of Coastal Research, Geesthacht, Germany
  • 2Max-Planck-Institute for Chemistry (MPI-C), Department of Atmospheric Chemistry, Mainz, Germany
  • 3National Research Council (CNR), Institute of Atmospheric Pollution Research, Rende, Italy
  • 4Deutsches Zentrum für Luft- und Raumfahrt (DLR), Institute of Atmospheric Physics, Oberpfaffenhofen, Germany
  • 5Royal Netherlands Meteorological Institute (KNMI), Chemistry and Climate Division, De Bilt, the Netherlands
  • anow at: Federal Maritime and Hydrographic Agency (BSH), Hamburg, Germany

Abstract. Hg ∕ SO2, Hg ∕ CO, NOx ∕ SO2 (NOx being the sum of NO and NO2) emission ratios (ERs) in the plume of the coal-fired power plant (CFPP), Lippendorf, near Leipzig, Germany, were determined within the European Tropospheric Mercury Experiment (ETMEP) aircraft campaign in August 2013. The gaseous oxidized mercury (GOM) fraction of mercury emissions was also assessed. Measured Hg ∕ SO2 and Hg ∕ CO ERs were within the measurement uncertainties consistent with the ratios calculated from annual emissions in 2013 reported by the CFPP operator, while the NOx ∕ SO2 ER was somewhat lower. The GOM fraction of total mercury emissions, estimated using three independent methods, was below ∼ 25 %. This result is consistent with other findings and suggests that GOM fractions of ∼ 40 % of CFPP mercury emissions in current emission inventories are overestimated.

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Hg ∕ SO2, Hg ∕ CO, and NOx ∕ SO2 emission ratios (ERs) in the plume of the coal-fired power plant (CFPP), Lippendorf, near Leipzig in Germany, were determined in August 2013. GOM fraction of mercury emissions was also assessed. Measured Hg ∕ SO2 and Hg ∕ CO ERs were consistent with the ratios calculated from annual emissions in 2013 reported by the CFPP operator. The NOx ∕ SO2 ER was somewhat lower. GOM fractions of ~ 40 % of CFPP mercury emissions in current emission inventories are overestimated.
Hg ∕ SO2, Hg ∕ CO, and NOx ∕ SO2 emission ratios (ERs) in the plume of the...
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