Browsing USN Open Archive by Author "Qvenild, Carsten"

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    • Assessment of mercury emission at Norcem's cement kiln by use of 203 Hg tracer 

      Eriksen, Dag Øistein; Tokheim, Lars-André; Eriksen, T.A.; Meyer, Julien; Qvenild, Carsten (Conference report, 2005)
      In manufacture of cement clinker, mercury (Hg) is introduced in the cement kiln system via the fuels and as constituents in the raw materials, i.e. limestone, iron ore, etc. The permissible emission of Hg to air is very ...

    • Assessment of sulphur emission at Norcem's cement kiln by use of 35S-tracer 

      Eriksen, Dag Øistein; Tokheim, Lars-André; Eriksen, T.A.; Martini, V.; Qvenild, Carsten (Conference report, 2001)
      Although sulphur is not a major reacting species in making cement clinker, it is introduced as a pollutant in both the energy carrier (oil, coke, coal, household waste) and in the reactants (chalk, silica). Due to the ...