Custom MMO Ru-Ir Anodes For Chlor-Alkali Cells

Ruthenium-Iridium Coated Anode Plate Details
(1) Anode Material: Grade 1 (Gr1) Pure Titanium as substrate.
(2) Coating Options: Ruthenium-Iridium-Titanium Anode (Highly Recommended for Chlor-Alkali), Ruthenium-Titanium Anode, Iridium-Tantalum-Titanium Anode, Iridium-Platinum-Titanium Anode, Platinum-Titanium Anode.
(3) Coating Thickness: 6–10 μm (Microns).
(4) Highly Customizable: Shape and size can be designed and customized according to the specific needs of different electrolytic equipment in the chlor-alkali industry.
(5) Remarks: Titanium anodes are also widely known as MMO anodes, DSA (Dimensionally Stable Anodes) & Insoluble anodes. Matching Cathodes can also be provided. Small sample orders are available for quality testing.

MMO Ruthenium-Iridium coated anode plate for chlor-alkali industry

 

• Electrolysis of salt water:In the chlor-alkali industry, ruthenium-iridium coated titanium anode plates are used for the electrolysis of brine to produce chlorine, hydrogen, and sodium hydroxide (caustic soda). The high electrocatalytic activity of our anode plates effectively reduces the overpotential of the chlorine evolution reaction. This realizes efficient chlorine gas precipitation at a lower tank voltage, drastically reducing energy consumption in the electrolytic process. Compared with conventional graphite anodes, it significantly cuts power consumption and improves overall production efficiency.

 

 

• Outstanding Stability Advantage:

  Its robust corrosion resistance enables long-term, stable operation in highly corrosive electrolytes containing high concentrations of chloride ions. This helps maintain the stable operation of the electrolyzer, reduces the frequency of equipment maintenance and anode replacement, lowers production costs, and ensures maximum continuity of your production line.

• Electrolyzing Salt Water to Produce Chlorine & Caustic Soda: The ruthenium-iridium coated titanium anode plate serves as a core component of brine electrolysis. Within the electrolytic cell, the anodic oxidation reaction occurs: chloride ions lose electrons on the surface of the Ru-Ir coated titanium anode plate to form chlorine gas. Simultaneously, the cathode undergoes a reduction reaction where water molecules gain electrons to form hydrogen gas and hydroxide ions, successfully producing caustic soda.
• Prolonging the Service Life of Equipment: Electrolytes in the chlor-alkali industry are highly corrosive, containing high concentrations of chloride ions, sodium hydroxide, and other aggressive substances. Our ruthenium-iridium coated titanium anode plates possess excellent chemical corrosion resistance. They can work stably in harsh environments for extended periods, effectively resisting corrosion from chlorine gas and lye, which minimizes equipment maintenance and replacement frequency to reduce overall production costs.

• Stable & Consistent Production Process: The geometric size of the ruthenium-iridium coated titanium anode plate remains stable. Because the distance between electrodes does not change during the electrolytic process, it ensures that operations are carried out under stable tank voltage conditions. This stability is highly conducive to maintaining the consistency of the electrolysis process, further extending the service life of the anode plate, and eliminating the maintenance costs and production risks caused by changes in electrode spacing.

We offer full OEM/ODM services tailored to your industrial needs:

Substrate shape: Plate, mesh, rod, tube, ribbon, or any custom geometry.

Dimensions: Fully customized according to your specific technical design, drawings, or CAD files.

Internal Packaging: Anti-scratch, foam-separated interleaving to guarantee coating integrity during transit.

External Packaging: Rugged, export-standard plywood wooden cases.

Shipping Methods: Fully suitable for sea freight, air cargo, or international express (DHL / FedEx / UPS).

Production Lead Time:

Standard Sizes/Specifications: 15–25 days.

Customized Designs/Large Batches: 25–35 days.

To maximize the operational lifespan and performance of your MMO anodes:

Avoid Mechanical Friction: Handle with extreme care. Prevent any mechanical damage, scratching, or scraping of the precious metal coating surface.

Strict Chemical Constraints: Do NOT use these anodes in electrolytes containing Fluoride ions. Fluoride rapidly breaks down and corrodes the titanium substrate, leading to catastrophic coating peeling.

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