What Is Titanium Anode for Treating Papermaking Black Liquor and How to Choose the Right One for Your Industry?
A Titanium Anode for Treating Papermaking Black Liquor is a high-performance electrochemical electrode specifically designed for the treatment of pulp and paper industry wastewater. Papermaking black liquor contains high concentrations of lignin, cellulose residues, organic pollutants, sulfides, sodium compounds, and other difficult-to-degrade contaminants. Conventional treatment methods often struggle to achieve efficient pollutant removal while maintaining low operating costs.
Using advanced Ru+Ir mixed metal oxide (MMO) coating technology, the titanium anode provides excellent electrocatalytic activity and corrosion resistance. During electrolysis, the anode generates powerful oxidizing species that effectively decompose complex organic compounds, reduce COD, remove color, and improve wastewater quality. Compared with traditional graphite and lead-based electrodes, titanium anodes offer significantly longer service life, higher current efficiency, lower energy consumption, and reduced maintenance requirements.
When selecting a Titanium Anode for Treating Papermaking Black Liquor, it is important to evaluate wastewater composition, conductivity, pH level, operating temperature, current density, and expected service life. Factors such as coating formulation, titanium substrate grade, electrode geometry, and installation method directly influence treatment efficiency and operating costs. Proper electrode selection ensures stable performance, maximum pollutant removal, and long-term economic benefits for pulp and paper wastewater treatment systems.
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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 treating papermaking black liquor can be fully customized according to industrial requirements:
We provide complete OEM and ODM customization services for Titanium Anodes for Treating Papermaking Black Liquor.
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 supplier of Titanium Anodes for Treating Papermaking Black Liquor. Located in Baoji, China's leading titanium manufacturing center, we combine advanced MMO coating technology with strict quality control to provide reliable electrochemical solutions for industrial wastewater treatment.
Our production process covers titanium substrate preparation, precision coating application, thermal decomposition sintering, performance testing, and final inspection. Every electrode is manufactured according to international quality standards and customer specifications.
We offer:
Our goal is to help customers achieve efficient and cost-effective papermaking wastewater treatment.
Selecting the right Titanium Anode for Treating Papermaking Black Liquor is critical for achieving efficient wastewater treatment, low operating costs, and long service life. Since black liquor contains high concentrations of lignin, organic matter, sulfides, and alkaline chemicals, the electrode must withstand aggressive operating conditions while maintaining stable electrochemical performance.
First, analyze the wastewater characteristics, including COD concentration, pH value, conductivity, temperature, and pollutant composition. These parameters determine the required coating formulation and current density.
Second, choose the appropriate electrode structure. Titanium mesh anodes provide a large active surface area and are suitable for high-efficiency oxidation systems. Titanium plate anodes are commonly used in large industrial reactors, while rod and tubular anodes are preferred for specialized installations.
Third, evaluate the coating type and loading. Ru+Ir mixed metal oxide coatings offer excellent chlorine evolution efficiency, corrosion resistance, and long-term stability for papermaking wastewater treatment.
Additionally, consider installation dimensions, power supply specifications, operating current, maintenance requirements, and expected service life. Custom-designed electrodes can significantly improve treatment efficiency and reduce energy consumption.
When purchasing, choose a manufacturer with proven coating technology, strict quality control, and engineering support. A reliable supplier can provide customized solutions, technical guidance, performance testing reports, and after-sales service to ensure the best long-term return on investment for your wastewater treatment system.
Purchase Guide
1. What is a Titanium anode for treating papermaking black liquor? |

What Is Titanium anode for treating papermaking black liquor?
A Titanium Anode for Treating Papermaking Black Liquor is an insoluble electrochemical electrode used in advanced oxidation wastewater treatment systems. The electrode consists of a titanium substrate coated with ruthenium-iridium mixed metal oxides that promote highly efficient electrochemical reactions.
During operation, the anode generates active oxidizing species capable of degrading lignin, phenols, color-causing compounds, and other organic pollutants found in black liquor. The process helps reduce COD, improve biodegradability, and support wastewater recycling. Due to its excellent corrosion resistance and long service life, it has become a preferred solution for modern pulp and paper wastewater treatment facilities.
| Parameter | Specification |
|---|---|
| Product Name | Titanium Anode for Treating Papermaking Black Liquor |
| Coating Type | RuO₂ + IrO₂ |
| Substrate Material | ASTM B265 Gr1 / Gr2 Titanium |
| Coating Loading | 8–20 g/m² |
| Current Density | 500–3000 A/m² |
| Operating Voltage | 1.0–1.8 V |
| Working Temperature | ≤80°C |
| pH Range | 0–14 |
| Oxygen Evolution Potential | ≤1.45 V |
| Chlorine Evolution Efficiency | ≥95% |
| Service Life | 3–8 Years |
| Coating Adhesion | Excellent |
| Type | Standard Size | Thickness |
|---|---|---|
| Titanium Mesh Anode | 100×100 mm – 1500×3000 mm | 1–3 mm |
| Titanium Plate Anode | 100×100 mm – 2000×4000 mm | 2–10 mm |
| Titanium Rod Anode | Ø6–50 mm | Custom |
| Titanium Tube Anode | Ø10–100 mm | Custom |
| Titanium Ribbon Anode | 6.35×0.635 mm | Custom |
| Titanium Wire Anode | Ø1–10 mm | Custom |
| Electrode Type | Recommended Current Density | Maximum Current Output |
|---|---|---|
| Titanium Mesh Anode | 500–1500 A/m² | 3000 A/m² |
| Titanium Plate Anode | 1000–2500 A/m² | 5000 A/m² |
| Titanium Rod Anode | 500–2000 A/m² | 3500 A/m² |
| Titanium Tube Anode | 800–2500 A/m² | 4500 A/m² |
| Titanium Ribbon Anode | 200–1000 A/m² | 1500 A/m² |

Water Treatment Industry

Electroplating Industry

Chlor-Alkali Industry

Marine Engineering

Hydrogen Energy Industry

Mining and Metal Recovery
Choosing the right Titanium Anode for Treating Papermaking Black Liquor requires careful evaluation of operating conditions and treatment objectives.
Working with an experienced manufacturer helps ensure optimal electrode performance, lower operating costs, and long-term reliability in papermaking wastewater treatment applications.

Q1. What coating is used on the anode?
Ru+Ir mixed metal oxide coating is commonly used for papermaking black liquor treatment.
Q2. What is the typical service life?
Normally 3–8 years depending on operating conditions.
Q3. Can custom sizes be manufactured?
Yes. OEM and ODM customization services are available.
Q4. Is the electrode resistant to strong alkaline solutions?
Yes. It performs well in highly alkaline papermaking wastewater.
Q5. What pollutants can be removed?
Lignin, phenols, color compounds, COD, and other organic contaminants.
Q6. Can the electrode operate continuously?
Yes. It is designed for long-term industrial continuous operation.
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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Laser Cutting Configure Precious
Metal
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Coating
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Sintering
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Packaging
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Workshop
Precision machining and coating workshop for titanium anodes.
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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Certifications
International certifications ensuring quality and environmental compliance.




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