Table 4.

Porifera’s FO membrane operating guidelines. Adapted from Porifera Inc (2016) and Nasr (2016)

Item	Specifications
Manufacturer	Porifera Inc.
Model	Roll-to-roll
Pure water permeability coefficient, A (Lm-2 h-1 bar-1)	2.2 ± 0.01
Salt permeability coefficient of active layer, B (m/s)	1.6 × 10.7
Total membrane thickness (μm)	70 ± 10
Structural parameter, S (μm)	215 ± 30
Material of active layer	Polyamide (PA)
Material of support layer	Porous hydrophilic polymer
Water permeation	FO mode: 33 ± 2 LMH PRO mode: 55 ± 3 LMH
Reverse salt flux (RSF)	FO/PRO ,ode: 0.50 ± 0.2 g/L
Membrane parameters	Structural parameter (S value): 215 ± 30 μm
Maximum trans-membrane pressure (TMP)	180 psi
pH operating range	2–11
Maximum chlorine	< 0.1 ppm