✔ No reagents/chemicals
✔ Low pressure operation
✔ Low temperature operation
✔ Only uses electricity
✔ Scalable and modular
✔ Proven process
ClearFox® DiOx
Advanced electrical oxidation process [AEOX]
Where conventional wastewater treatment processes fail, ClearFox® DiOx succeeds.
ClearFox® DiOx
Advanced electrical oxidation process [AEOX]
Where conventional wastewater treatment processes fail, ClearFox® DiOx succeeds.
✔ No reagents/chemicals
✔ Low pressure operation
✔ Low temperature operation
✔ Only uses electricity
✔ Scalable and modular
✔ Proven process
About the System
The ClearFox® DiOx is an AEOX (advanced electrical oxidation) process. It is a cutting edge process technology that uses diamond doped electrodes to oxidise a wide range of hard to treat pollutants. These include persistent substances, PFAS, forever chemicals, inert COD, heavy metals, BTEX, spent caustics, dyes, dioxins, and other pollutants. A modular and scalable solution, it is ideally suited to lower volume, highly polluted wastewater. DiOx be used as a standalone process or combined with other ClearFox® process steps.
About the System
The ClearFox® DiOx is an AEOX (advanced electrical oxidation) process. It is a cutting edge process technology that uses diamond doped electrodes to oxidise a wide range of hard to treat pollutants. These include persistent substances, PFAS, forever chemicals, inert COD, heavy metals, BTEX, spent caustics, dyes, dioxins, and other pollutants. A modular and scalable solution, it is ideally suited to lower volume, highly polluted wastewater. DiOx be used as a standalone process or combined with other ClearFox® process steps.
Specifications
| Modules | |
|---|---|
| Electrode type | Boron-doped diamond electrode on niobium basis |
| Measures of Anode surface | 500 mm x 150 mm |
| Maximum current density | 100 mA/cm² |
| Minimum Voltage | 3 V DC |
| Maximum Voltage | 25 V DC |
| Spacer material and insulation | Teflon |
| Contacting material in case of reversing polarity | Titanium |
| Minimum flow / electrode gap | 5 L/min |
| COD removal (100% current efficiency; example) | 0.298 g / Ah |
| Heavy metal removal (due to composition of wastewater) | Highly efficient up to 99% |
| Production Range | |||
|---|---|---|---|
| ClearFox® DiOx Modules | DiOx 1.0 | DiOx 2.0 | DiOx 3.0 |
| Number of electrodes | 5 | 10 | 15 |
| Max. current | 750 A | 1500 A | 2250 A |
| Surface | 0.75 m² | 1.5 m² | 2.25 m² |
| COD removal (100% efficiency) | 223.5 g/h | 447 g/h | 670.5 g/h |
| Voltage (due to electr. conductivity) | 20 V | 20 V | 20 V |
| Power | 15 kW | 30 kW | 45 kW |
| Reversion of polarity | Yes | Yes | Yes |
| Inflow monitoring | Yes | Yes | Yes |
| Maximum operating electrolytic temperature | 40°C | 40°C | 40°C |
Treatment Process
Wastewater is pumped from a collection tank into the oxidation reactor.
Electricity is applied to the BDD electrodes in the oxidation reactor.
The electrodes generate OH radicals which oxidise all of the pollutants in the wastewater.
Clean water is discharged from the system and the process restarts.
Treatment Process
Wastewater is pumped from a collection tank into the oxidation reactor.
Electricity is applied to the BDD electrodes in the oxidation reactor.
The electrodes generate OH radicals which oxidise all of the pollutants in the wastewater.
Clean water is discharged from the system and the process restarts.
Applications
Advanced electrical oxidation with BDD has been successfully applied by our team on wastewaters from various sectors and applications, including those listed below:
- BTEX
- PFAS
- Dioxanes
- Spent caustic
- Heavy metals
- Dye / color removal
- Tobacco
- Pharmaceutical / cosmetic
- Fertiliser / pesticides
- Inert COD
- Phenols
- Disinfection
- And many more!
| Criteria | DiOx Wastewater Oxidation | Ozonation | Fenton Oxidation | Other Oxidation Processes | Chlorination |
|---|---|---|---|---|---|
| Oxidation Power | High due to combined biological and oxidative processes | High oxidation potential, especially for organic contaminants | High for organics, but limited for inorganics | Very high, utilizes hydroxyl radicals | Moderate, primarily for disinfection rather than organics |
| Efficiency in Pollutant Removal | Excellent for both organic and inorganic contaminants | Effective for organic compounds, but less so for inorganics | Effective for organic pollutants, but produces sludge | Excellent for a wide range of organic pollutants, including micropollutants | Limited to biological pathogens, less effective for organic pollutants |
| Cost | Generally lower due to biological component | Higher due to ozone generation and maintenance | Moderate, with chemical costs | High due to energy consumption and chemical requirements | Low cost but may have harmful by-products |
| Energy Requirement | Low to moderate | High, as it requires ozone generation equipment | Moderate due to chemical handling | Very high due to energy-intensive processes (UV, ozone, H₂O₂) | Low energy requirement |
| By-products | Minimal, as biological degradation minimizes harmful by-products | Potential formation of harmful by-products like bromates | Sludge generation and potential secondary pollution | Some by-products depending on the specific AOP used | Harmful by-products like trihalomethanes (THMs) and other disinfection by-products |
| Environmental Impact | Low, eco-friendly due to natural biological processes | Moderate, concerns with bromates and energy consumption | Potential toxicity of chemical reagents | High due to chemical and energy usage | High due to toxic disinfection by-products |
| Maintenance Complexity | Low to moderate, relies on established biological processes | High, requires specialized equipment and ozone generators | Moderate, involves chemical dosing and handling | High, requires advanced equipment and chemicals | Low, simple dosing but needs monitoring for harmful by-products |
| Scalability | Highly scalable with low energy input | Scalable, but with high energy and equipment costs | Scalable but dependent on chemical availability | Scalable, but with high costs | Scalable but with limitations in contaminant range |
This table showcases how DiOx oxidation stands out for its balance of cost, efficiency, and environmental impact compared to other oxidation technologies.
Using DiOx with your wastewater
We offer a complete in-house team to help develop a solution for your wastewater. We take the following steps to verify the DiOx is effective for your wastewater and to allow a highly accurate CAPEX and OPEX budget to be prepared.
Step 1 – Lab tests at our in-house testing facility to find the optimum reactor design and operating conditions for your wastewater
Step 2 – Lab testing with your wastewater to determine contact time/residence time for complete oxidation of pollutants, or to achieve your desired effluent targets
Step 3 – CAPEX and OPEX calculations for a pilot scale or full scale DiOx reactor for your project
Step 4 – Manufacturing, delivery and installation
Step 5 – Your challenging wastewater is now being cleaned by our simple and robust DiOx reactor!
Downloads
Using DiOx with your wastewater
We offer a complete in-house team to help develop a solution for your wastewater. We take the following steps to verify the DiOx is effective for your wastewater and to allow a highly accurate CAPEX and OPEX budget to be prepared.
Step 1 – Lab tests at our in-house testing facility to find the optimum reactor design and operating conditions for your wastewater
Step 2 – Lab testing with your wastewater to determine contact time/residence time for complete oxidation of pollutants, or to achieve your desired effluent targets
Step 3 – CAPEX and OPEX calculations for a pilot scale or full scale DiOx reactor for your project
Step 4 – Manufacturing, delivery and installation
Step 5 – Your challenging wastewater is now being cleaned by our simple and robust DiOx reactor!
Downloads
Make an Enquiry
To check availability in your country, become a distributor or ask us anything about the ClearFox Nature, don’t hesitate to reach out.