About Spectra Watermakers

In the late 90’s we revolutionized the watermaker with the successful launch of the Clark Pump, the first energy recovery pump designed specifically for small scale desalination. This pump lowers the amount of energy consumption, in some systems as much as 75%, over conventional systems by recycling energy. Since then, the Spectra brand has become synonymous with innovation in desalination technology. 

Our product line ranges from hand operated desalinators that can make 6 gallons a day to our largest system that produces 10,000 gallons of fresh, potable water per day. Spectra Watermakers has the complete package: unparalleled engineering design, a worldwide factory-trained sales and technical service network, and a foundation firmly rooted in excellent customer service.

With less than 1% of the global fresh water supply deemed potable, Spectra Watermakers is opening new sources of high quality, safe, fresh drinking water. Our products save lives, reduce our global carbon footprint, and help to alleviate stress on one of our most precious natural resources. 

We are a team of engineers and project managers transforming the way the world purifies water and creating products that utilize renewable energy like solar arrays and wind turbines. 

Spectra specializes in small scale energy-efficient desalination systems designed for ocean going vessels, off-shore oil platforms, military, disaster relief, emergency preparedness and distributed infrastructure markets. 

In 2015 we joined with the Katadyn Group, the world leader in portable water treatment systems to bring you the most reliable, energy-efficient, and service-backed watermakers available.

Our Technology

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A watermaker or desalinator is a device used to obtain potable, drinkable water by reverse osmosis of seawater or brackish water. Reverse osmosis can be an energy-intensive process, that’s why we use an energy recovery pressure amplifier, making it possible to run your watermaker from a solar array, wind turbine, or battery bank. This pump lowers the amount of energy consumed by as much as 75% over conventional systems. 

 

How it works:

Conventional Watermakers

In a conventional watermaker, a high pressure pump similar to a pressure washer, boosts the incoming raw water pressure up to 800-1000 PSI (55 - 69 Bar). Large pumps use brute force to hammer seawater against a back-pressure valve in order to generate this pressure. Only a small percentage of the water pumped through a watermaker passes through the membranes and comes out as fresh drinking water. The result is that a significant amount of energy is wasted pumping the entire quantity of raw water to such a high pressure.

Energy Recovery Watermakers

When seawater exits the membranes in a watermaker, that water is still under pressure, up to 1000 PSI (69 Bar). An energy recovery device transfers the energy normally wasted in conventional systems at the membrane exit, and passes it to the incoming raw water, dramatically lowering the power required to operate the system. All Spectra Watermakers use a similar energy recovery technology; the high pressure waste stream from the membranes is channeled to the underside of the pump piston, allowing them to recover 90% of the available energy or more. All Spectra Watermakers adjust automatically (as part of the hydraulic design) to changes in water temperature and salinity so there is no need to make adjustments in different climates, bays, rivers, or oceans.

© 2019 Global Distribution Solutions Ltd.

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