Performance Investigation of O-Ring Vacuum Membrane Distillation Module for Water Desalination

Table 7

Comparison of the permeate fluxes at different operating conditions in MD for different NaCl solutions.

MD type	Membrane	(μm)	(°C)	Vacuum (kPa)	(mL/s)	(g/L)	Flux (kg/m^2 h)	Ref.
VMD	PTFE	0.1	65	100	2280	35	66	[19]
VMD	PP 50/200	0.1	90	87	5 cm/s	3.5	15	[29]
VMD	PES/TiO2NTs	—	65	70	11	35	5.5	[34]
VMD	PP	0.2	55	97	30	100	14.4	[35]
VMD	PP	0.074	60	93	42	35	3	[36]
VMD	PVDF	0.2	60	14.5	25	3.5	4	[37]
VMD	PVDF	0.22	65	97	30.6	35	43.8	This study
VMD	PTFE	0.22	65	97	30.6	35	52.6	This study