For the first three extraction steps, the PRDC had 1–1.6 ideal or
theoretical stages, indicating a relatively low extraction efficiency,
most likely due to the mass transfer competition with other fatty
compounds, mainly acylglycerols, that were also extracted to the
solvent phase. In the last two extraction steps, the number of ideal
stages increased to approximately 3, which might indicate a higher
extraction efficiency. Although the transfer of acylglycerols was
relatively low in the last two steps, the fatty acid transfer was also
low because their concentration in the oil fed into the column in
steps 4 and 5 was low.
For the first three extraction steps, the PRDC had 1–1.6 ideal ortheoretical stages, indicating a relatively low extraction efficiency,most likely due to the mass transfer competition with other fattycompounds, mainly acylglycerols, that were also extracted to thesolvent phase. In the last two extraction steps, the number of idealstages increased to approximately 3, which might indicate a higherextraction efficiency. Although the transfer of acylglycerols wasrelatively low in the last two steps, the fatty acid transfer was alsolow because their concentration in the oil fed into the column insteps 4 and 5 was low.
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