Chlor-Alkali | Industrial Electrochlorination

Seawater Electrolysis


Used for various applications, the simple electrolysis of seawater to yield hypochlorite is performed extensively the world over, but more specifically in Western Europe and the Middle East. Sodium hypochlorite (NaOCl), an environmentally friendly bleach, is considered one of the most trusted water disinfectants available on the market.


NMT® Electrodes Mixed Metal Oxide and Platinised Titanium Anodes are found in industrial applications, such as, hypochlorite generation in waste water, in refineries, petrochemical plants and power plants, for potable water supplies and in food processing. Marine applications include the above as well as use in off shore platforms and the prevention of mussel, barnacle and algal growth on ships hulls.


The electrolytes that are used in the electrolysis of seawater vary in both temperature and salt concentrations. NMT® Electrodes produces Mixed Metal Oxide and Platinised Titanium Anodes that are able to withstand these variances in properties, whilst working at their maximum efficiency, current density and design life, and still proving economical.


Our significant expertise in the design and manufacture of Mixed Metal Oxide and Platinised Titanium Anodes have allowed NMT® Electrodes to be at the forefront of Seawater Electrolysis systems, whilst affording us the ability to refurbish, repair and replace anodes in Seawater Electrolysis cells.



Brine Electrolysis

The principle of the electrolysis of brine is very similar to that of seawater electrolysis, however additional food grade salt must be added to the water to produce a concentrated brine solution, this is ultimately diluted before being introduced into the electrochemical cell, of which NMT® Electrodes Mixed Metal Oxide and Platinised Titanium Anodes are a part. They operate with high efficiency resulting in significantly slower operating expenses, a major drawcard in any industry.



Ballast Water Electrolysis


Ballast water has been found to be the predominant cause of the introduction of nuisance species to marine and coastal waters. Greater and greater restrictions have been imposed, ensuring that the ballast water has passed through a treatment system before exchange occurs, or that exchange of ballast water occurs only in the open ocean.

NMT® Electrodes Mixed Metal Oxide and Platinised Titanium Anodes have been used in ballast treatment systems, which utilise the halide ions present in many water types and convert these ions into disinfectants.

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