杜邦FilmTec™ BW30FR-400/34 膜元件DuPont FilmTec™ BW30FR-400/34 Reverse Osmosis Membrane
Element Technical Copy
5. DuPont FilmTec™ BW30FR-400/34: Suitable for Salt
Separation in Low-to-Medium Salinity Systems
DuPont FilmTec™ BW30FR-400/34 is well-suited for salt
separation applications in low-to-medium salinity systems (salinity <10,000
ppm), making it a reliable choice for industrial wastewater resource recovery
[3]. Its polyamide composite membrane efficiently retains sodium chloride and
other common salt ions, while the 34-mil feed spacer design reduces contaminant
deposition and pressure drop—critical for stable salt separation performance.
In practical applications such as coastal power plant wastewater treatment,
this membrane has demonstrated a 40% lower flux decay rate than conventional RO
membranes, with long-term salt rejection stabilized above 98% [3], verifying
its applicability in salt separation scenarios.
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