Chloralkali Process

Our commitment is to develop innovative solutions for chlorine and caustic soda industry to ensure greater competitiveness to our customers, through better performances in term of energy savings, investment costs, product quality and environmental impact.


High performance

Energy savings



Our roots in the chlorine, caustic soda, and potash industry run deep, from the creation of the earliest commercial diaphragm cells in the early 1920's, through mercury cells in the 40's to the development of the very first membrane cell in the 70's concentrating nowadays on the highest performing electrode structures and catalytic coatings.

Our company serves a wide range of customers’ needs for various electrochemical processes and primarily focuses on high performing electrodes and catalysts for the Chlor-Alkali industry.


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We offer a high level of know how in design and manufacturing of anodes and cathodes made in titanium or nickel with a mixed precious metal oxide coating.

Our main services can be listed as:

  • manufacturing and reconditioning of DSA® electrodes and gas diffusion electrodes (GDE);
  • manufacturing of high performing catalytic coatings for anodes and cathodes;
  • production of non asbestos cell separators for diaphragm cells;
  • high tech solutions for energy-savings;
  • refurbishment and repairs capabilities for any type of electrode available in the market;
  • support and technical assistance.

Our competences

  • With more than 400.000 m2 of coated electrodes per year, De Nora is a proved and qualified designer, manufacturer and supplier of activated cathodes and anodes for the chlorine and caustic industry;
  • The worldwide presence, with facilities distributed in Europe, Asia and Americas, makes De Nora able to provide services  in real time, everywhere our customer is located.


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