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Thermodynamic modelling and techno-economic assessment of mechanical vapour recompression for decarbonising low-temperature alumina refining
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DOI：10.1016/j.enconman.2026.122008.png)
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Abstract
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• Open-cycle MVR is assessed for low-temperature alumina steam generation. • Waste heat and steam temperatures determine compression stage requirements. • Feasible MVR cases achieve COPs of 2–7 and 62–70% of the Carnot limit. • Median MVR-electric boiler cost parity occurs near the MW scale. • Moderate temperature lifts reduce compression work, stages, cost and emissions.
Keywords:
Mechanical vapour recompression (MVR)
Industrial steam
Levelised cost of heat (LCOH)
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