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Separation of phenolic acids by CPC using the system composed of 15 wt% of PEG 8000 + 4.5 wt% of NaPA 8000 + 75.5 wt% of water + 5 wt% of NaCl. Experimental conditions: rotation speed of 2000 rpm.min-1; flow-rate of 1.5 mL.min-1; Sf = 37 %; P ≈ 38 bar.
