Ultrapure Water for Hydrogen Production

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The Key to Green Hydrogen Production

Successful hydrogen production relies on the right water treatment — especially the water source and the water electrolysis process, during which electricity is used to split water into hydrogen and oxygen.

With our expertise, state-of-the-art water purification equipment, and global service capabilities, MECO ensures a reliable, ultrapure solution that spans from the water source to the core of the electrolyzer.

Treating Different Water Sources for Hydrogen Production

Each available water source comes with unique requirements for your water treatment system. We offer pretreatment and final treatment, along with polishing steps, including softening to deionization. Our team of experts helps you choose the best option based on your source water and electrolyzer technology.

Groundwater

A stable water source, but it can contain iron, manganese, and ammonium.

City water

Easy access for smaller projects but contains chlorine and chloramine.

Treated wastewater

Varies in quality and has a potentially high load of organics.

Seawater

High salinity and content of metal ions.

MASTERpak™ MICRO – The Turnkey System for Ultrapure Water Generation

Designed with sustainability in mind, the MASTERpak™ MICRO unifies loop operation and make-up operation into one simple system customized to your plant requirements. Our systems consistently produce water required for Alkaline water electrolysis (AWE), Proton Exchange Membrane (PEM), and Solid Oxide Electrolyzer Cell (SOEC) including all ASTM types I, II, III, IV grade water quality.

The MASTERpak™ MICRO reduces your environmental water and energy footprint, lowering OPEX cost for chemicals, water, electricity, and square footage while reducing the risk of biological loop contamination and potential product contamination.

  • Complete turnkey ultrapure water system
  • Product water quality meets Alkaline water electrolysis (AWE) and Proton exchange membrane (PEM) electrolysis requirements
  • Supported by MECO’s full range of on-site services, including service deionization tanks that are regenerated in a dedicated plant, eliminating the risk of loop contamination from co-mixing resin with an industrial or water reuse application
  • ASTM Type I, II, III, and IV Grade Water Quality
  • Makeup or generation capacities from 1,000 – 30,000 GPD
Discover MASTERpak™ MICRO

+95 Years Producing Quality Systems

Expertise Turnkey Systems Training Service Sustainability
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Expertise

Customized water treatment systems tailored to your source water quality, safeguarding your electrolyzer by preventing not only membrane damage but also clogging, scaling, corrosion, and electrolyte degradation.

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Turnkey Systems

Plug-and-play systems that are prepackaged on a single skid for quick deployment, fast installation, and ease of use.

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Training

Ongoing education and training including service seminars, lunch and learns, and webinars, covering water plant operation, troubleshooting, maintenance, and more

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Service

24-hour support including on-site water room management, preventative maintenance, and emergency response, ensuring your water treatment system remains up and running.

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Sustainability

MECO recognizes the critical role that water plays in supporting life on our planet. Our systems recover as much water as possible – minimizing the amount of wastewater discharged into the environment – and reduce energy consumption with energy-efficient technologies.

FAQ About Water Treatment for Hydrogen Production

How much source water is needed to produce hydrogen?

The amount of water required is a crucial factor in determining the impact of a green hydrogen production facility on the local water system. It is important to remember that the water purification process requires water itself–meaning the ratio of source water to ultrapure water is not 1:1.

Let’s consider an example: A hydrogen plant designed to produce 1 tonne of hydrogen would need 9 m3 of ultrapure water. In order to obtain that amount of ultrapure water, one would need to extract either 12 m3 of groundwater, 13 m3 of treated wastewater, or 30 m3 of seawater.

How much ultrapure water is needed to produce hydrogen?

Ultrapure water is the primary feedstock used to produce hydrogen. Cooling water may also be required during the electrolysis process.

The rule of thumb is that it takes 9 L ultrapure water to produce 1 kg of hydrogen. How much water is needed will also depend on the production capacity, as well as the power rating (MW) and efficiency of the electrolysis equipment.

How much ultrapure water is needed per megawatt (MW)?

In order to design a water treatment system, it is necessary to know the consumption rate of ultrapure water. The amount of ultrapure water needed per MW depends on how much energy the electrolyzer needs to convert the 9 L of ultrapure water into 1 kg of hydrogen.

Given that 9 L of ultrapure water is required to produce 1 kg of hydrogen, it equals a consumption rate of 163-200 L/h of ultrapure water per MW electrolysis.

Questions About Choosing the Right Water Treatment System?

MECO’s expert water purification specialists are available to implement highly engineered processes to achieve ultrapure water for any facility’s needs. Contact our MECO team to learn more about how we can help.

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