FILMTEC NF membrane elements are designed for process applications where a separation of solutes is desired. “NF” is a durable membrane designed to reject organics with a molecular weight above 200 while passing monovalent salts. FILMTEC NF membrane elements replace NF45 elements in a variety of applications such as desalting organic compounds, acid processing, metal recovery from waste streams, and antifreeze recovery.
| Product Name | Nominal Active Surface Area ft2 (m2) |
Stabilized Salt Rejection (%) |
Minimum Salt Rejection (%) |
| FILMTEC NF-4040 | 82 (7.6) | >99 | 98.0 |
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