About Merging Threshold and Critical Flux Concepts into a Single One: The Boundary Flux

Table 1

Experimental setup for UF and NF, valid for all feedstock.

	UF	NF
Feed flow rate [L h^−1]	600	600
Temperature [°C]	20 ± 1	20 ± 1
Membrane ID	Desal Osmonics GM2540	Desal Osmonics DK2540
Module type	Spiral wounded	Spiral wounded
Membrane area [m^−2]	2.51	2.51
Average pore size [nm]	2.0	0.5