Alkalistab NF-4040

Alkalistab series nanofiltration membranes are suitable for the treatment of pH 5 ~ 14 and the extreme feed solution which is not suitable for been described by pH Value.
 
The membrane elements can keep stable separation performance in 20% (w /%) NaOH, KOH and other strong alkaline solutions, with the unique patent membrane Combined process and high-permeate flow design, it will bring both economic and environmental benefits for the user.
 
Model: NF-4040
Active Membrane Area ft²(m²): 83(7.7)
Permeate Flow GPD(m³/d): 750(2.8)
Stabilized Rejection Rate (%): 96
 
Testing Position
Operating Pressure at 110 psi (0.76MPa)
Temperature at 25℃
Tested in 2000 mg/L MgSO4 solution
pH 7.0 ± 0.5
Recovery rate at 15%
 
Operating Limit & Conditions
Maximum feedwater flow: 4040- 16gpm（3.6 m3/h）
Maximum feedwater temperature: 45℃
Maximum pressure drop per element: 10 psi (0.07 MPa)