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Correlated Effect of Air Gap and PVP Concentration on the Structure and Performance of PVDF Ultrafiltration Hollow Fiber Membrane

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Figure

Table 1 Dope solutions for hollow fiber spinning.
Fig. 1. SEM images of hollow fibers spun by dope 1 containing 15% of PVP at air gap (1) 80, (2) 40, (3) 20, and (4) 10 mm
Fig. 2.  SEM images of hollow fiber membranes spun by dope 2 containing 5% PVP at air gap (1) 40, (2) 20, and (3) 10 mm
Table 6 Effect of PVP concentration in the dope on the hollow fiber performance.
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