Practical application case of ozonolysis catalyst
In the wastewater treatment project of a chemical industry park, the wastewater discharged by enterprises in the park contains a large number of difficult to degrade organic matter, such as benzene series, phenols, polycyclic aromatic hydrocarbons, etc., and the water quality and water quantity fluctuate greatly, and the biodegradability is poor, and the traditional wastewater treatment process is difficult to achieve the ideal treatment effect.
Through the introduction of
ozone catalytic oxidation process and the use of high efficiency ozone decomposition catalyst, the wastewater treatment effect has been significantly improved. In the treatment process, the catalyst promotes ozone decomposition to produce more hydroxyl radicals, which can undergo rapid and non-selective oxidation reactions with organic matter in wastewater, decompose macromolecular organic matter into small molecular organic matter, and even directly mineralize into carbon dioxide and water.
After a period of operation, the effluent COD concentration of the wastewater treatment plant in the chemical industry Park has decreased from about 300mg/L to less than 100mg/L, the removal rate has reached more than 67%, the BOD/COD value has increased from 0.15 to more than 0.3, and the biodegradability has been significantly improved. It creates a good condition for the subsequent biochemical treatment, and also reduces the pollution pressure on the receiving water body, ensuring the sustainable development of the park.
Municipal sewage treatment plant
In order to further improve the effluent quality and meet the increasingly strict discharge standards, ozone decomposition catalyst was used to treat ozone exhaust gas during the upgrading of a municipal sewage treatment plant. Before the use of catalysts, the treatment efficiency of ozone exhaust is low, which not only causes the waste of ozone, but also has certain environmental risks.
After the installation of a professional ozone decomposition catalyst, ozone exhaust gas can be quickly decomposed into oxygen, and the ozone concentration in the exhaust gas is reduced to a very low level, meeting the requirements of environmental protection. At the same time, due to the active substances such as hydroxyl free radicals generated in the catalytic decomposition process of ozone, the trace organic matter, chroma and odorous substances in the sewage have also played a further oxidation removal effect, making the effluent water quality of the sewage plant more clear and odor-free, and all indicators are better than the level before the transformation. The effluent COD, ammonia nitrogen, total phosphorus and other indicators have reached the national level A discharge standard, which has made a positive contribution to the improvement of the urban water environment, and also provided a strong guarantee for the efficient and stable operation of municipal sewage treatment plants.