Liqui-Flux®W10 Seawater pretreatment ultrafiltration membrane module 3M™ Equivalent

Product Introduction 

When it comes to seawater filtration, LEFILTER delivers dependable membrane solutions engineered for pre-treatment in desalination and marine water applications. The Liqui-Flux® W10 Seawater Pretreatment Ultrafiltration Membrane Module, designed as a reliable equivalent to the 3M™ range, offers a robust and efficient option for removing particulates, microorganisms, and suspended solids from challenging seawater environments.

This ultrafiltration module combines durable hollow fiber membranes with precise filtration technology, ensuring stable operation even in variable water conditions. By integrating the Seawater Pretreatment Ultrafiltration Membrane Module into your system, you gain enhanced protection for downstream reverse osmosis (RO) units, reduced fouling potential, and prolonged system uptime — making it a critical component for efficient seawater treatment operations.

Technical Specifications

• Model: Liqui-Flux® W10 Equivalent

• Filtration Process: Hollow fiber ultrafiltration (outside-in flow)

• Membrane Material: PES (Polyethersulfone)

• Effective Membrane Area: 75 m²

• Nominal Pore Size: 0.02 microns

• Recommended Operating Pressure: 0.2 – 0.4 MPa

• Maximum Operating Pressure: 0.5 MPa

• Operating pH Range: 4 – 10 (continuous)

• Cleaning pH Range: 2 – 12

• Operating Temperature Range: 5°C – 45°C

• Filtration Mode: Supports dead-end and crossflow operation

• Module Dimensions:

• Length: 1600 mm

• Outer Diameter: 225 mm

Application Scope 

The Seawater Pretreatment Ultrafiltration Membrane Module is designed for industries and utilities that require reliable pre-treatment of seawater before advanced desalination processes. Its superior filtration performance helps maintain the integrity of downstream systems and reduce operational costs in applications such as:

-Seawater Reverse Osmosis (SWRO) Plants: Serving as a critical pre-treatment step to safeguard RO membranes against fouling and extend service intervals.

-Desalination Facilities for Municipal Supply: Improving water quality in pre-treatment stages for drinking water production from seawater sources.

-Marine and Offshore Platforms: Ensuring onboard desalination systems maintain consistent performance with reliable ultrafiltration protection.

-Industrial Seawater Utilization: Pre-treating seawater used in cooling systems or industrial processes, reducing maintenance needs and system wear.

FAQ

Q: What advantages does this membrane module offer for seawater pretreatment applications?

A: The module provides effective removal of suspended solids, fine particles, and microorganisms, reducing the biofouling potential in downstream desalination systems and ensuring more stable operating conditions for RO membranes.

Q: Is the Liqui-Flux® W10 equivalent module suitable for direct replacement in existing 3M™ systems?

A: Yes, this module is engineered to meet the dimensional and performance criteria of the original 3M™ Liqui-Flux® W10, allowing for seamless installation in both new and retrofit applications without requiring design modifications.