Overview
MMO titanium anodes use a titanium substrate with an electrocatalytic mixed-metal-oxide coating. MMO is not a single coating formula; Ru-Ir, Ir-Ta and other coating systems are selected according to the required electrode reaction and working medium.
For an actual order, coating system, active area, anode form and electrical connection should be reviewed together with current density, electrolyte composition and operating temperature. Plate, mesh, tubular and custom configurations can be supplied according to confirmed specifications or drawings.
Product Parameter
The following parameters provide a general reference for MMO titanium anode supply. Final coating system, active area and operating conditions should be confirmed according to the electrolyte, required electrode reaction, current density and temperature.
| Parameter | General Reference | Notes |
| Titanium Substrate | Grade 1 / Grade 2 Titanium | Selected according to product form and order requirement |
| Coating System | Ru-Ir MMO / Ir-Ta MMO | Selected according to working medium and electrode reaction |
| Anode Form | Plate / Mesh / Tubular / Custom | Selected by installation and active-area requirement |
| Current Density | Defined by operating conditions | Please provide current density or total current |
| Working Medium | Electrolyte, concentration and temperature | Aggressive media should be reviewed separately |
| Service Requirement | Confirmed by project conditions | Affected by medium, loading and operating mode |
| Inspection Scope | According to purchase specification | Surface, coated area and agreed verification items |
- For quotation, provide the working medium, relevant concentration, current density or total current, anode dimensions, coated area and connection method. Strongly acidic, fluoride-containing or other aggressive media should be reviewed separately before coating selection.
Application & Coating Direction
Chloride-Based Electrolysis
Ru-Ir based MMO systems are commonly considered for chlorine-evolution duties and other chloride-containing electrolysis. Final coating selection depends on the electrolyte, concentration, temperature and operating current.
Oxygen Evolution & Oxidation
Ir-Ta based MMO systems are commonly considered where oxygen evolution or electrochemical oxidation is required. Active area, working medium and current loading should be reviewed before selection.
Industrial Electrochemical Systems
MMO titanium anodes are also used in electroplating, metal recovery and other industrial electrochemical equipment when the coating chemistry, geometry and electrical connection are matched to the process.
Packaging and transportation management
MMO titanium anodes are separated with non-abrasive protective material to reduce coating-to-coating contact and friction during handling. Connection tabs and electrical contact areas are protected according to the anode geometry.
Products are secured in suitable export packaging with internal supports where required to reduce movement, bending and impact during transportation. Final packing arrangement is selected according to product form, dimensions and shipment requirements.
MMO Anode Order Support
Coating Selection Review
Working medium, required electrode reaction and current loading are reviewed before the MMO coating system is confirmed.
Geometry & Active Area
Plate, mesh, tubular and custom forms can be defined according to active area, installation space and order requirements.
Drawing & Connection Review
Coated boundaries, tabs, hangers and electrical contact areas can be checked against drawings before production.
Inspection by Order
Dimensions, surface condition, coated area and agreed verification items are controlled according to the purchase specification.
FAQ
Q: Is MMO a single coating type?
A: No. MMO refers to a family of mixed-metal-oxide coatings. Ru-Ir, Ir-Ta and other systems are selected according to the required electrode reaction, electrolyte and operating conditions.
Q: What information is needed to select an MMO titanium anode?
A: Please provide the working medium, concentration, current density or total current, operating temperature, anode dimensions, coated area, connection method and quantity.
Q: What affects MMO titanium anode service life?
A: Service life is affected by coating system and loading, current density, effective area, electrolyte composition, temperature, flow conditions, cleaning method and power-supply stability.
Q: Can you manufacture from an existing anode drawing?
A: Yes. Dimensions, coated and uncoated areas, connection details and required tolerances can be reviewed from the drawing before the production specification is confirmed.
Request Titanium MMO Anode for Your Application
Send the working medium, current density, operating temperature, anode form or drawing, coated area and quantity.
We will review the MMO coating direction and anode configuration before quotation.
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