What is ozone catalytic oxidation technology
Release time:
Jul 16,2026
Author:
In homogeneous catalytic ozonation technology, the catalyst distribution is uniform and the catalytic activity is high, the mechanism of action is clear, and it is easy to study and grasp.
Ozone catalytic oxidation technology is an advanced oxidation technology based on ozone, which combines the strong oxidizing properties of ozone with the adsorption and catalytic characteristics of catalysts, and can effectively solve the problem of incomplete degradation of organic matter.
Ozone catalytic oxidation can be divided into homogeneous catalytic ozonation and heterogeneous catalytic ozonation according to the phase state of the catalyst.
In homogeneous catalytic ozonation technology, the catalyst distribution is uniform and the catalytic activity is high, the mechanism of action is clear, and it is easy to study and grasp.
The multiphase catalytic ozonation method utilizes solid catalysts to accelerate the oxidation reaction in the liquid (or gas) phase at atmospheric pressure. The catalyst exists in a solid state, is easy to separate from water, has less secondary pollution, and simplifies the treatment process. Therefore, it has attracted widespread attention.
For ozone catalytic oxidation technology, the choice of solid catalyst is the key to whether the technology has high oxidation efficiency. Research has found that heterogeneous catalysts have three main functions.
1. Adsorption of organic matter, for catalysts with relatively large adsorption capacity, when water comes into contact with the catalyst, the organic matter in the water is first adsorbed on the surface of these catalysts, forming surface chelates with affinity, making ozone oxidation more efficient.
2. Catalytic activation of ozone molecules, this type of catalyst has high catalytic activity and can effectively catalyze the activation of ozone molecules. Ozone molecules are easily decomposed under the action of this type of catalyst to produce highly oxidative free radicals such as hydroxyl radicals, thereby improving the oxidation efficiency of ozone.
3. The synergistic effect of adsorption and activation, this type of catalyst can not only adsorb organic pollutants in water, but also catalyze the activation of ozone molecules, producing highly oxidative free radicals. On the surface of this type of catalyst, the synergistic effect of adsorption of organic pollutants and activation of oxidants can achieve better catalytic ozone oxidation effect.
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