Platinum Titanium Anode For Circulating Water Equipment
Application: circulating water treatment
Product Introduction
Titanium anodes are advanced electrochemical electrodes widely used in circulating water treatment systems. Typically manufactured using high-purity titanium as the substrate, these anodes are coated with platinum (Pt) or mixed metal oxides (MMO) to enhance electrocatalytic performance, corrosion resistance, and service life.
They play a critical role in electrolytic water treatment, enabling efficient descaling, sterilization, algae removal, and corrosion prevention in industrial and HVAC systems.
Working Principle
In circulating water systems (such as central air conditioning cooling loops), electrolysis is applied using a DC power supply:
Cathode Reaction:
Generates hydroxide ions (OH⁻), promoting precipitation of calcium and magnesium ions → scale forms on the cathode surface.
Descaling Mechanism:
The cathode is periodically reversed (or mechanically cleaned), removing deposited scale.
As ion concentration drops below equilibrium, existing scale in pipelines and heat exchangers gradually dissolves.
Anode Reaction:
Titanium MMO or Pt-coated anodes generate:
These substances:
Kill bacteria and algae
Inhibit biofilm formation
Prevent microbial-induced corrosion
Active oxygen (O)
Active chlorine (Cl₂ / HOCl)
Other strong oxidants
Applications
Central air conditioning circulating water systems
Power plant cooling water systems
Industrial circulating water treatment
Heat exchanger and pipeline protection
Key Features
Excellent Corrosion Resistance
Titanium substrate ensures long-term stability in aggressive water environments
High Electrocatalytic Activity
Pt or MMO coatings provide efficient electrochemical reactions
Integrated Water Treatment Functions
Descaling
Sterilization & algae removal
Corrosion inhibition
Long Service Life
Strong bonding between coating and substrate ensures durability
Energy Efficient Operation
Low operating voltage and stable performance
Wide Chemical Compatibility
Suitable for various water qualities and treatment conditions
Advantages Over Traditional Methods
Reduces or eliminates chemical dosing
Minimizes maintenance and downtime
Improves system efficiency and heat transfer performance
Extends equipment lifespan
Technical Highlights
Base Material: Industrial pure titanium (Gr1 / Gr2)
Coating Options:
Platinum (Pt)
Mixed Metal Oxides (Ru-Ir, Ir-Ta, etc.)
Process: Thermal decomposition / electroplating
Form: Plate, mesh, tubular, or customized
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