Membrane Type

Permeate Flow

(m³d⁻¹)

Salt Rejection (%)

Nominal

Minimum

Configuration

Membrane Polymer

Nominal Membrane Area: (ft²)

Reference

SCW4 plus

24.6

99.8

99.7

Spiral Wound

Composite

Polyamide

400

Hydranautics. Nitto Group Co. Teaneck. NJ (USA)

SW30HR LE-400

28

99.80

99.95

Spiral Wound

Polyamide thin-film composite

400

Dow Filmtec Texas (USA)

Qfx SW 365 ES

47

99.75

99.70

8-inch Spiral Wound

Thin-film composite

365

NanoH₂O Inc. Los Angeles, CA (USA)

SWC4+

24.5

99.8

99.7

Spiral Wound

Composite polyamide

400

Nitto Group Co. Teaneck, NJ (USA)