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Emirates Global AluminiumAluminium (EGA) has implemented a project to avoid fumes emissionsEmissions in potrooms due to failures of exhaustExhaust fan dampers. In potrooms, fumes are generated during the aluminium electrolysisAluminium electrolysis process and they are collected for cleaning in Gas Treatment CentersGas treatment center (GTCsGas Treatment System (GTC)). A failure of GTCGas Treatment System (GTC) main exhaust fansMain exhaust fan can lead to interruption of critical gas scrubbing. Failures can occur if the outlet damper positions are disturbed suddenly, which was not controlled easily. In this project, damper fail-safe mode was added, a verification of high inlet/outlet duct pressure was introduced before initiating closing command, and manual option of damper control was created for the operators. Upon successful completion of this project, uncontrolled closing of the dampers of the main exhaust fansMain exhaust fan was eliminated, which ensured reliable operation and fume treatment.

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Avoidance of Fume Emissions in Potrooms Due to Failures of Exhaust Fan Dampers

  • 会议论文

  • 发表日期：

    2026年

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  • Mohamed Aldhanhani,
  • Arogyanathan Sigamani,
  • Amit Dubey,
  • Vishnu Sankar,
  • Dheeraj Dinesh,
  • Amiya Jena

摘要

Emirates Global AluminiumAluminium (EGA) has implemented a project to avoid fumes emissionsEmissions in potrooms due to failures of exhaustExhaust fan dampers. In potrooms, fumes are generated during the aluminium electrolysisAluminium electrolysis process and they are collected for cleaning in Gas Treatment CentersGas treatment center (GTCsGas Treatment System (GTC)). A failure of GTCGas Treatment System (GTC) main exhaust fansMain exhaust fan can lead to interruption of critical gas scrubbing. Failures can occur if the outlet damper positions are disturbed suddenly, which was not controlled easily. In this project, damper fail-safe mode was added, a verification of high inlet/outlet duct pressure was introduced before initiating closing command, and manual option of damper control was created for the operators. Upon successful completion of this project, uncontrolled closing of the dampers of the main exhaust fansMain exhaust fan was eliminated, which ensured reliable operation and fume treatment.