Water for hydrogen produc­tion

Ultra-​pure water is the most important raw mate­rial to produce green hydrogen.
Signe H2 dans un globe rose avec des éoliennes et du solaire.

Age of hydrogen

The key for sustai­na­bi­lity with rene­wable ener­gies.


Climate change and limi­ta­tion of fossil energy sources require re-​evalua­tion of our energy supply. Hydrogen emerges as a leading option for a sustain­able energy supply for mobi­lity, trans­port, and indus­trial produc­tion. Renew­able energy alone cannot fulfil all demands without effec­tive energy conver­sion and storage solu­tions; thus, hydrogen is essen­tial for a reli­able energy supply.

The role of hydrogen as a clean replace­ment for fossil fuels depends on the produc­tion by elec­trol­ysis of water using power from renew­ables like hydro­power, wind, or solar energy.

Age of Hydrogen
Age of Hydrogen

H2 pioneer since 1997

Fuma­tech is member of the BWT group.

Utili­zing the syner­gies between BWT‘s lead­er­ship in water treat­ment tech­nolo­gies and Fuma­tech‘s cutting-​​​edge membrane tech­nology, we make signif­i­cant contri­bu­tions to the follo­wing areas in the hydrogen cycle:

  • BWT: Water treat­ment and purifi­ca­tion for elec­troly­zers
  • Fuma­tech: Highly stable ion exchange membranes for elec­troly­zers
  • Fuma­tech: Energy effi­cient membranes for fuel cells
  • Fuma­tech: Bipolar and mono­polar membranes for CCU, Carbon Capture and Power-​​​to-X

Rese­arch and invest­ment since more than 25 years into the membrane tech­nology for hydrogen produc­tion and energy storage tech­nolo­gies.

Inno­v­a­tive membrane tech­nology by Fuma­tech BWT

The membrane makes the differ­ence.

Fuma­tech BWT has compre­hen­sive know­ledge in all aspects of membranes‘ produc­tions. The company pursues two important elec­tro­che­mical appli­ca­tion fields: water treat­ment and energy-​related appli­ca­tions.

  • Membranes for Polymer elec­tro­lyte membranes for elec­tro­lysis and fuel cells appli­ca­tion are based on PFSA polymer.
  • Membranes are typi­cally produced in rein­forced version in order to elimi­nate swel­ling for large cells.
  • Membrane’s proper­ties such as thick­ness and equi­va­lent weight can be adjusted upon request.
  • Membranes for alka­line water elec­tro­lysis are tailored for either circuit with concen­trated KOH or for KOH-​free circuit. The membranes are avail­able in custo­mized width up to 150 cm and custo­mized length up to 300 m.

Not all water is appro­priate for hydrogen produc­tion

Depen­ding on the source of the water, it can contain numerous chemical and biolo­gical impu­ri­ties. For hydrogen produc­tion, water in its purest form is required. Muni­cipal water or water from any natural source cannot be used directly.

Water treat­ment plants are key compo­nent to achieve the neces­sary purity in the water. Follo­wing the motto „ever­ything from a single source” BWT could offer inno­va­tive and envi­ron­mentally friendly water treat­ment systems for hydrogen produc­tion.

There are various processes for produ­cing hydrogen. Some use hydro­car­bons, others biomass, but the most envi­ron­mentally friendly process is elec­tro­lysis of water using rene­wable, clean energy. Raw water in its natural form is not an appro­priate source for produ­cing green hydrogen. It must be pre-​treated for removal of suspended solids, iron, manganese, and other conta­mi­nants, desa­li­nated to be free of mine­rals and finally puri­fied to pure and ultra­pure water quality. All indi­vi­dual treat­ment processes and unit opera­tions will be managed by a single control system.

Age of Hydrogen
Age of Hydrogen

Water in it's purest form

More than 25 years expe­ri­ence in BWT

BWT has specia­list exper­tise in meeting these highest stan­dards and, with decades of expe­ri­ence, BWT is one of the world’s leading supplier of critical and highly puri­fied media for Pharma & Biotech.

Product by BWT
Modular, scalable and tailored to your needs

Water puri­fi­ca­tion for hydrogen produc­tion requires a dedi­cated water treat­ment system made with a combi­na­tion of suitable tech­no­lo­gies. BWT provides industry-​leading tech­no­lo­gies and products with highest stan­dards to achieve any required water quality.

Ideal combi­na­tions of the products:

  • BWT Water Softe­ning System
  • BWT Reverse Osmosis System
  • BWT Elec­tro­de­io­niza­tion System
  • BWT Loop System/Circuit Treat­ment with Inte­grated Ion Exchanger
  • BWT System Control

Stan­dard Perfor­mance Sizes:

  • Produc­tion of feed water quality with a conduc­ti­vity of < 5 μS/cm to < 0.1 μS/cm
  • Stan­dard capa­ci­ties from 200 to 10,000 l/h

We plan your indi­vi­dual request for ultra-​pure water

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