What are the common types of titanium anodes? What industrial applications are they suitable for?
Titanium anodes can be divided into various types based on their surface coating materials and application requirements. The most common ones are Mixed Metal Oxide (MMO) titanium anodes and platinum-plated titanium anodes. They are widely used in electroplating, water treatment, chlor-alkali industry, cathodic protection, and other fields.
Main Titanium Anode Types and Applications:
| Anode Type | Typical Coating | Main Application Areas | Advantages |
|---|---|---|---|
| MMO Titanium Anodes | Ru-Ir-Ti (Ruthenium-Iridium-Titanium) | Chlor-alkali industry, electroplating, electrolysis of water, seawater desalination, cathodic protection | High electrocatalytic activity, long lifespan, resistance to chlorine evolution, low energy consumption |
| Ir-Ta-Ti (Iridium-Tantalum-Titanium) | Oxygen evolution reactions, electrolytic copper foil, PCB electroplating, precious metal electroplating | Excellent oxygen evolution performance, acid resistance |
| Platinum-plated Titanium Anodes | Pt (Platinum) | Precious metal electroplating, water electrolysis, electrochemical sensors, organic synthesis | High purity, excellent corrosion resistance, suitable for applications requiring high product purity |
MMO titanium anodes, especially ruthenium-iridium coatings, have shown excellent performance in chlor-alkali electrolysis, effectively replacing traditional graphite anodes, improving current efficiency and product quality.
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