Materials Science
3 years ago

Flue Gas Recirculation Boosts CO2 Concentration and Reduces NOX Emissions

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˜The œminerals, metals & materials series
Pilot Scale Test of Flue Gas Recirculation for the Silicon Process
Vegar Andersen, Ingeborg Solheim, Heiko Gærtner, Bendik Sægrov-Sorte, Kristian Etienne Einarsrud, Gabriella Tranell

Paper Summary

Flue gas recirculation in the silicon process can increase CO2 levels in emissions and reduce NOX. A pilot furnace was modified to test different FGR ratios and flow rates, using industrial materials. Results showed CO2 concentrations over 20%, demonstrating successful FGR. NOX emissions were lower during stable tapping cycles.

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