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← ScienceWhich limitation occurs on a multi-stage flash desalination plant heated by geothermal energy?
A)Vapor production surges unexpectedly
B)Inter-stage scaling risk increases gradually
C)Reduced phase change efficiency occurs✓
D)Condenser vacuum leaks depress temperature
💡 Explanation
Reduced phase change efficiency because geothermal brine reaching lower-pressure stages has decreasing temperature differential available for evaporation utilizing latent heat, therefore hindering rapid flash boiling, and reducing overall freshwater output rather than localized surges, because the effects are on later stages.
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