Electric positive nanofiltration elements, specially formulated to give a positively charged surface, can be used for the separation of multivalent and monovalent cations, including lithium extraction from salt lakes, heavy metal ion removal, biochemical and pharmaceuticals, water softening, dye industry and other fields.
Product Parameters
Element Model | NaCl Rejection | MgCl₂ Rejection | Permeate Flow Rate | Active Area | Stabilized Salt Rejection | Feed Concentration | Feed Pressure | ||||
% | GPD | m³/d | ft² | m² | mil | mg/L | psi | MPa | |||
NFEP–400 | ≤35 | 97 | 9000 | 34.1 | 400 | 37.2 | 28 | NaCl: 500 | MgCl₂: 2000 | 100 | 0.69 |
NFEP–4040 | ≤35 | 97 | 2200 | 8.3 | 90 | 8.4 | 28 | NaCl: 500 | MgCl₂: 2000 | 100 | 0.69 |
Permeate flow and salt rejection based on the following standard conditions: 25°C and 15% recovery. Flow performance variation: ±15%