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Operator-guidance systems for industrial processes: A case study evaluating impact on energy use and NOx control

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  • Mårtensson, Anders

Abstract

Systems for process-operator guidance are now found in all industrial branches. Their impact on process performance, particularly energy use, is discussed. A case study includes an evaluation of a system in a steel plant; energy efficiency of the process was about 4% higher when the system was in use. A proposed extension of the system includes calculation of NOx emissions and emission charges. The expected process performance for simulated operating conditions is studied. Four performance criteria are used: operating cost, NOx emissions, energy and exergy efficiencies. Measurement accuracy, process modelling, and the emission-charge scheme are found to be critical for the guidance given by the system and hence the performance of the process.

Suggested Citation

  • Mårtensson, Anders, 1996. "Operator-guidance systems for industrial processes: A case study evaluating impact on energy use and NOx control," Energy, Elsevier, vol. 21(12), pages 1233-1245.
    • Handle: RePEc:eee:energy:v:21:y:1996:i:12:p:1233-1245
    DOI: 10.1016/0360-5442(96)00052-7
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