Table 2 NF90 membrane characteristics (data adapted from refs 34,35)

From: Renewable energy-powered membrane technology in Tanzanian communities

Membrane

MWCO (Da)

Pore radius (nm)

NaCl retention (%)

Permeabilitya (L/h·m2·bar)

Zeta potentialb (mV)

Contact anglec (°)

NF90

100

0.34

83.7

9.7

−26

47.9 ± 1.7

  1. MWCO molecular weight cut-off
  2. 0.1 M NaCl, at 10 bar
  3. At pH 8, in 20 mM NaCl and 1 mM NaHCO3
  4. At pH 8, in 1 mM KCl