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← ScienceWhich risk increases when supercritical carbon dioxide's pressure fluctuates in industrial extraction?
A)Solute decomposition rate reduction
B)Optimized mass transfer stability
C)Extraction selectivity decrease✓
D)Increased operational energy efficiency
💡 Explanation
A pressure drop below the critical point causes deposition because of phase separation, causing decreased extraction selectivity, rather than optimized mass transfer; therefore, product purity declines as components precipitate, rather than remaining solvated.
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