Preparation and characterization of different geometrical shapes of multi-bore hollow fiber membranes and application in vacuum membrane distillation

Journal of Analytical Science and Technology

Table 3 Spinning conditions ranges

Dope composition	PES 16%, PVP2%, PEG 2%, diethylene glycol 2%, NMP78%
Bore fluid	Water
Dope flow rate, cm³/s	0.77, 0.92, 1.14, 1.47, 1.92, 2.17
Bore fluid flow rate, cm³/s	0.27, 0.55, 0.7, 1, 1.2, 2.4
Air gap distance, cm	0,1, 2, 3, 4, 5, 6
Coagulation bath	Water
Temperature, °C	25
Take-up speed	Free fall