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Electro-Catalytic Oxidation-Reduction (ECOR)

Issuing time:2023-07-16 14:48

When the electrodes coated with special noble metals are electrified, electro-catalytic oxidation (ECO) and electro-catalytic reduction (ECR) are carried out simultaneously, so that persistent organic pollutants can be effectively degraded and mineralized.

（1）ECO：

ECO primarily mineralizes organic pollutants and ammonia nitrogen in wastewater directly through the anode, or it utilizes strong oxidizing agents (such as hydroxyl radicals and ozone) produced on the anode during electro-catalytic processes to indirectly degrade organic matter. As a result, based on the different oxidation mechanisms during electrolysis, electro_x0002_catalytic oxidation can be divided into direct and indirect oxidation processes.

（2）ECR：

The reducing action of ECR in the system mainly serves to provide electrons for macromolecular organic pollutants, remove some functional groups, and make ECO more efficient. Also, the denitrification capability of ECR is also an important part of the system, which can reduce nitrate nitrogen to nitrogen, reduce the total nitrogen, and ensure that the effluent meets the standard.


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  • The titanium-based, noble metal coated electrode plate with high catalytic efficiency is used. It has a low PH tolerance down to 2. The maximum current density can reach 800A/m2, and the highest temperature tolerance can reach 55 degrees Celsius.

  • No extra agents need to be added during the ECOR reaction. The degradation of pollutants relies mainly on electron transfer and electrode plate catalysis. This process does not produce secondary pollution, and is a clean water treatment technology.

  • ECOR can be operated at normal temperature and normal pressure without creating extra reaction conditions, which is easy to manage and requires little construction work.

  • ECO has an extremely high redox potential and a wide electrochemical window, and can degrade almost all known organic pollutants.

  • Due to the high efficiency of ECOR, compared with other advanced oxidation equipment, the ECOR system equipment has a smaller volume and is easier to operate and manage.




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