Acid-resistant nanofiltration membrane OV-ACNF
● Purification and concentration of acids
● Concentration and separation of metal ions and salts in acidic solutions
● Product performance and characteristics
The special membrane material preparation technology is adopted, making the membrane products run stably for a long time in an extremely acid environment. Membrane element products can be used in scenarios such as acid purification and concentration, concentration and separation of metal ions and salts in acidic environments, etc.
● Specification parameters
Model of membrane element | Stable desalination rate(%) | Average water productionGPD（m³/d） | Application Environment |
OV-ACNF-4040 | 97.0 | 1000(3.8) | 20%sulfuric acid;20%hydrochloric acid;4%nitric acid;30%phosphoric acid |
OV-ACNF-8040 | 97.0 | 5000(18.9) |
● Testing conditions
Test pressure | 110psi |
Test solution temperature | 25℃ |
Test solution concentration(NaCl) | 2000ppm MgCl |
Recovery rate of single membrane element | 15% |
● Operating and cleanimg limits
Maximum operating pressure | 600 psi(4.0MPa) |
Maximum inlet flow rate | 75 gpm (17m³/h)(8040) |
16 gpm (3.6m³/h)(4040) | |
Maximum inlet temperature | 60℃ |
Maximum inletSDI15 | 5 |
Inlet free chlorine concentration | ＜0.1 ppm |
| Maximum pressure drop of single membrane element | 15psi(0.1 MPa) |