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Träfflista för sökning "L773:0340 4803 srt2:(2005-2009)"

Sökning: L773:0340 4803 > (2005-2009)

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1.
  • Grip, Carl-Erik, et al. (författare)
  • Exergy as a means for process integration in integrated steel plants and process industries
  • 2009
  • Ingår i: Stahl und Eisen (1881). - 0340-4803. ; 129:9, s. 2-8
  • Tidskriftsartikel (refereegranskat)abstract
    • Exergy analysis can be a useful tool for process comparison and improvement in industrial energy systems. Examples from three branches are given: pulp and paper, bio refineries (ethanol) and steel production. The application and development of exergy analysis in an integrated steel plant is shown together with description and explanations on destroyed and lost exergy. Implementation for energy conservation and use as a pedagogic tool is discussed.
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3.
  • Hallberg, Malin, et al. (författare)
  • Sulphur and hydrogen refining during vacuum degassing : a new concept for process control
  • 2005
  • Ingår i: Stahl und Eisen (1881). - 0340-4803. ; 125:5, s. 39-48
  • Tidskriftsartikel (refereegranskat)abstract
    • The purpose of this paper is to discuss how a fundamental mathematical model for prediction of hydrogen and sulphur refining during vacuum degassing can be used to develop on-line process control models. It has first been shown how predictions of sulphur and hydrogen using fundamental mathematical models agree well with measured values from plant trials. These models and analytical equations have thereafter been used to predict hydrogen and sulphur refining for new heats. Here, it was shown that these analytical predictions give very similar results as the fundamental predictions. Thus, it is possible to use the analytical equations in production. It is also discussed how the analytical process models can be used both as on-line or off-line tools in industry.
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