What Is Titanium Anode for Seawater Desalination by Electrodialysis and How to Choose the Right One for Your Industry?
A Ru+Ir Coated Titanium Electrode for seawater desalination by electrodialysis is a high-performance insoluble anode designed for ion removal and salt separation in advanced electrodialysis (ED) systems. It is manufactured using a titanium substrate coated with a ruthenium-iridium mixed metal oxide (MMO) layer, which ensures excellent conductivity, strong chlorine resistance, and long-term electrochemical stability in high-salinity seawater environments.
In seawater desalination processes, electrodialysis relies on ion-selective membranes and stable electrode reactions to separate dissolved salts. The Ru+Ir coated titanium electrode plays a key role in maintaining stable current distribution and efficient electrochemical reactions, especially under high chloride concentration conditions where conventional materials suffer from rapid corrosion and performance degradation.
Choosing the right Ru+Ir coated titanium electrode for seawater desalination by electrodialysis requires careful evaluation of seawater composition, operating current density, system voltage, temperature conditions, and required desalination capacity. Proper electrode selection ensures stable desalination performance, lower energy consumption, and extended system lifespan.
This electrode is widely used in seawater desalination plants, brackish water treatment systems, marine engineering applications, and industrial water purification systems due to its durability, energy efficiency, and excellent resistance to chloride-induced corrosion.
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Superior Corrosion Resistance、Ultra-Long Service Life、High Electrocatalytic Activity & Efficiency、Eco-Friendly、Low Maintenance





Customization Available (Size, Material, Coating, Shape, Lifespan & Installation)

Titanium anode for seawater desalination by electrodialysis can be fully customized according to industrial requirements:
We provide fully customized Ru+Ir coated titanium electrode for seawater desalination by electrodialysis solutions based on different seawater treatment requirements.
At Hengyi Ti-Ni Import Export, we specialize in titanium-based electrochemical materials with strong engineering capability in anode system design.
HY Ti-Ni Import & Export is a professional manufacturer and exporter specializing in Ru+Ir coated titanium electrode for seawater desalination by electrodialysis and other advanced electrochemical solutions.
Located in Baoji, China, we benefit from a complete titanium industrial chain and advanced MMO coating technology. Our engineering team focuses on improving electrode stability in high-salinity seawater environments, reducing energy consumption, and extending operational lifespan.
Every electrode is strictly tested from titanium substrate selection to coating sintering and final performance inspection. With strong OEM/ODM capability, stable production capacity, and global export experience, HY Ti-Ni Import & Export provides reliable and cost-effective electrode solutions for seawater desalination industries worldwide.
Selecting the correct Ru+Ir coated titanium electrode for seawater desalination by electrodialysis is critical for system efficiency and operational stability.
First, analyze seawater composition, especially chloride concentration and total dissolved solids (TDS). High chloride levels require stronger corrosion-resistant coating formulations.
Second, determine system operating parameters such as current density, voltage, and flow rate. These directly affect electrode performance and energy efficiency.
Third, choose appropriate electrode geometry. Mesh electrodes improve ion exchange efficiency, while plate electrodes offer stable large-area performance.
Fourth, evaluate expected service life. Marine environments require higher coating loading and premium titanium substrates to ensure durability.
Finally, ensure collaboration with an experienced manufacturer that can provide technical optimization, system matching, and long-term support for seawater desalination projects.
Purchase Guide
1. What is a Titanium anode for seawater desalination by electrodialysis? |

What Is Titanium anode for seawater desalination by electrodialysis?
A Ru+Ir coated titanium electrode for seawater desalination by electrodialysis is an insoluble anode used in electrodialysis systems to remove salt ions from seawater. It is made of titanium coated with ruthenium-iridium mixed metal oxides, offering excellent electrochemical activity and corrosion resistance.
It operates in high-chloride seawater environments, ensuring stable current flow and efficient ion separation. Compared with conventional electrodes, it reduces energy consumption, improves desalination efficiency, and significantly extends system service life in marine applications.
| Parameter | Specification |
|---|---|
| Substrate Material | Titanium Gr1 / Gr2 |
| Coating Type | Ru-Ir Mixed Metal Oxide |
| Coating Loading | 6–20 g/m² |
| Operating Voltage | 1.2–1.8 V |
| Current Density | 500–3000 A/m² |
| Working Temperature | ≤ 85°C |
| Electrolyte Type | Seawater / Brine |
| Chloride Resistance | High |
| Coating Thickness | 8–20 μm |
| Service Life | 10,000–60,000 hours |
| Type | Standard Size Range |
| Plate Electrode | 300×500 mm – 1500×3000 mm |
| Mesh Electrode | Customized Expanded Mesh |
| Rod Electrode | Ø6 mm – Ø50 mm |
| Tubular Electrode | Ø25 mm – Ø300 mm |
| Ribbon Electrode | Width 10–60 mm |
| Thickness | 0.5–5.0 mm |
| Custom Design | Available |
| Electrode Area | Recommended Current Output |
| 0.1 m² | 50–150 A |
| 0.5 m² | 250–750 A |
| 1.0 m² | 500–1500 A |
| 2.0 m² | 1000–3000 A |
| 5.0 m² | 2500–7500 A |

Water Treatment Industry

Electroplating Industry

Chlor-Alkali Industry

Marine Engineering

Hydrogen Energy Industry

Mining and Metal Recovery

Q1: Why is Ru+Ir coated titanium used in seawater desalination?
It provides excellent chlorine resistance and stable electrochemical performance.
Q2: What is the lifespan in seawater environments?
Typically 10,000–60,000 hours depending on conditions.
Q3: Can it handle high salinity seawater?
Yes, it is specifically designed for high-chloride environments.
Q4: What electrode shapes are available?
Mesh, plate, rod, tubular, and ribbon types.
Q5: Is it suitable for electrodialysis systems?
Yes, it is optimized for ED and EDR systems.
Q6: Can it be customized?
Yes, full OEM/ODM customization is available.
Q7: Does it reduce energy consumption?
Yes, it lowers cell voltage and improves efficiency.
Q8: What industries use it most?
Seawater desalination, marine engineering, and water treatment industries.
Production site
State-of-the-art manufacturing for titanium anodes, precision coating and quality control.
Choseing titanium substrate
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Substrate Cutting
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Sandblasting
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Pickling
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Metal
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Coating
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Sintering
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Packaging
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Workshop
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Titanium anode coating workshop
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Thermal decomposition sintering furnace workshop
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Titanium mesh anode production area
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Pickling/surface treatment process
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Pickling/surface treatment process
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Quality inspection workshop
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Worker operation photos
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Panoramic view of a clean production line
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Quality inspection
Rigorous testing for coating adhesion, electrochemical performance, and durability.
Dimension Inspection
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Coating Thickness Testing
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Coating Adhesion Testing
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Microstructure Analysis
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Conductivity Testing
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Corrosion Resistance Testing
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Bond Strength Testing
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Final Inspection & Packaging
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Packaging
Professional packaging to prevent damage and corrosion during transportation.
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