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DuPont Water Solutions and Waterise collaborate toward sustainable subsea desalination

  • DuPont Water Solutions and Waterise collaborate toward sustainable subsea desalination
  • Subsea process, which reduces energy requirements of desalination by 40 percent, requires durable, long-lasting membranes.

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DuPont Water Solutions
DuPont Water Solutions – Global leader in sustainable separation and purification Technology.

DuPont has entered into a collaboration with Waterise to provide seawater reverse osmosis membranes and expertise to the company’s subsea desalination plants.

Subsea reverse osmosis (RO) desalination presents a sustainable and more economical new way to turn seawater to freshwater. As subsea desalination leverages the natural hydrostatic pressure found at the depths of the sea to run the reverse osmosis, it reduces the energy requirements of conventional RO desalination by 40 percent. It also requires 80 percent less coastal land than land-based plants, presenting a viable option for communities with limited space. From an environmental perspective, subsea desalination requires lower amounts of pretreatment chemicals and eliminates the discharge of concentrated brine into coastal waters.

As Waterise’s patented desalination units reside on the sea floor, Waterise sought the most durable, longest-lasting reverse osmosis element on the market—ultimately focusing on DuPont’s FilmTec™ seawater membranes.

“As we look to increase access to fresh water and enable a water optimized world, we are energized by opportunities to collaborate on innovative solutions to water purification, conservation and reuse,” said HP Nanda, global vice president and general manager, DuPont Water Solutions. “We are excited about Waterise’s new approach to desalination that not only reduces water scarcity, but also minimizes energy consumption and environmental impact.”

In addition to exclusively using DuPont’s FilmTec™ seawater membranes for all systems, DuPont and Waterise will share knowledge and expertise, as well as collaborate on research and development toward the mission to advance the subsea desalination operations and performance.

“I am delighted to announce that Waterise is collaborating with DuPont as part of our program to identify and establish collaboration with world leading companies which produce components needed to construct a Waterise desalination unit,” says Niels Petter Wright, CEO, Waterise.

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