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New High-Efficiency Catalytic Oxidation Equipment Process
Summary: In comparison, our company has innovated the production of a new type of catalytic oxidation equipment, which has a high COD removal rate, a small footprint, and a high degree of automation.
Release time:
2024-10-10
Currently, there are not many feasible technologies for deep sewage treatment processes: activated carbon adsorption, other chemical adsorbents, Fenton's method for oxidation, membrane methods, and aerated biological filters, each with its own advantages but also certain limitations. In comparison, our company has innovated the production of a new type of catalytic oxidation equipment, which has a high COD removal rate, a small footprint, and a high degree of automation.
In principle, this new catalytic oxidation process is the same as the Fenton process for oxidizing organic matter, both relying on •OH. However, the pathways for generating •OH are different. The Fenton process relies on Fe2+ to catalyze H2O2 under acidic conditions, which is a homogeneous catalysis. It not only requires the addition of chemical agents but also produces a large amount of iron sludge and sulfate after neutralization. In contrast, this equipment relies on "transition metal compounds," with the catalyst being solid phase, representing heterogeneous catalysis, a true catalyst. When hydrogen peroxide is used as the oxidant, the reaction pH is controlled at 4-6; when ozone is used as the oxidant, the reaction pH is controlled to be slightly alkaline, producing no sludge, no salt, with high reaction efficiency, low dosage, and stable operation.
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