Water scarcity is one of the most pressing challenges across the Gulf. With natural freshwater resources limited, seawater desalination accounts for a major share of the region’s municipal and industrial water supply. Seawater, however, contains more than 35,000 mg/l of total dissolved solids (TDS) and requires advanced treatment before it can be made safe for use. 

The Hydranautics SWC Series RO membranes, curated by the Dutco Team, are designed to meet this challenge by combining high salt rejection, high flow performance, and reliability in seawater reverse osmosis applications.

The global desalination market is expanding rapidly. More than 50% of drinking water in the GCC already comes from desalination plants, and global RO membrane demand is expected to grow steadily as urbanisation and industrialisation accelerate. In this context, membrane-based technologies like the SWC Series are shaping the future of water security.

Delivering High Salt Rejection with SWC Technology

The Gulf’s reliance on desalination places enormous pressure on water treatment systems. SWC membranes are engineered for exactly these conditions, ensuring consistent performance under high salinity and high TDS environments.

  • High salt rejection RO elements that meet municipal and industrial quality standards
  • High-flow RO membranes for seawater, increasing productivity in large-scale plants
  • Composite polyamide RO membrane construction for strength and durability
  • Low-pressure seawater RO elements that reduce energy demand
  • Compatibility with wastewater treatment, supporting reuse in high-TDS applications

Inside the SWC Advantage

 

Seawater treatment systems demand membranes that combine durability with performance. The SWC Series achieves this balance by offering high rejection rates, lower operating pressures, and reliable output compared to conventional RO membranes.

Feature Conventional RO Membranes Hydranautics SWC RO Membranes
Salt Rejection Moderate, less reliable in high TDS Very high, consistent across conditions
Flow Capacity Standard flow, limited capacity High-flow performance for seawater
Operating Pressure Higher pressure requirements Low-pressure options available
Material Standard polyamide layers Composite polyamide construction
Applications Mostly limited to brackish water Seawater, brackish, and greywater reuse

 

Municipal Plants to Greywater Reuse

The adaptability of the Sea Water Composite Series makes it a strong fit for multiple applications across the region:

  • Municipal desalination plants ensuring reliable drinking water supply
  • Industrial facilities where process water demands are constant and high-volume
  • Wastewater treatment plants handling high TDS streams
  • Greywater reuse systems supporting long-term sustainability targets

This versatility reflects the direction of the global desalination membrane market, which continues to expand as cities and industries look for technologies that manage diverse water challenges with one system.

Efficiency That Saves Energy and Extends Life

Desalination is inherently energy-intensive, making efficiency one of the most important considerations for operators. Hydranautics SWC membranes address this challenge through:

  • Low-pressure designs that cut energy use in seawater system
  • Long service life, reducing replacement frequency and operational costs
  • Reliable rejection rates that protect municipal and industrial users from water quality fluctuations

In regions like the GCC, where desalination provides the majority of potable water, these improvements directly support sustainability while reducing overall system strain.

The SWC Innovation At WETEX 2025

We are proud to present Hydranautics SWC Series RO membranes at WETEX 2025, highlighting their contribution to seawater desalination and wastewater reuse across the Gulf. With proven high salt rejection, high flow, and energy-saving operation, these membranes stand out as a key solution in addressing water scarcity.

At our stand, visitors will see how Hydranautics technology supports municipal utilities, industrial water systems, and reuse applications, all while aligning with regional goals for sustainable resource management. 

Don’t miss the event. Our team will be joined by global industry leaders to showcase innovations shaping the future of water security. You can consult them to resolve all your queries regarding water processing, desalinisation, and wastewater management.

  Dubai World Trade Centre

  30 Sept to 2 Oct

  Stand No.: 7-H5