How to Select a Catalyst for Ozone Decomposition in Water Treatment?

A company specializing in the research and development and production of a series of environmentally friendly catalytic materials, including ozone decomposition catalysts, carbon monoxide catalysts, hopalat agents, manganese dioxide, copper oxide, VOC catalysts, and hydrogen peroxide catalysts, is compiling information to provide highly adaptable catalytic material solutions for various environmental governance scenarios. We hope this information is helpful.

Our main clientele includes: industrial waste gas treatment companies, ozone purification equipment manufacturers, environmental protection companies in the motor vehicle, shipbuilding, petrochemical, and chemical industries, coating, printing, VOCs treatment, municipal and industrial wastewater treatment companies, flue gas treatment companies in the metallurgical and thermal power industries, laboratory and enclosed space air purification equipment manufacturers, and environmental engineering general contracting and operation and maintenance companies.

Ozone oxidation is the mainstream process in industrial wastewater and sewage treatment. Efficient ozone decomposition at the tail end is crucial for achieving effluent standards and reducing energy consumption. The selection of ozone decomposition catalysts for water treatment directly determines the ozone treatment effect and operation and maintenance costs. Faced with ozone decomposition catalysts of different structures and operating conditions, how should industrial water treatment companies select products to suit their wastewater characteristics and balance efficiency and economy? This has become a core pain point for many technical professionals.

When selecting ozone decomposition catalysts for water treatment

ozone decomposition efficiency is paramount. Industrial wastewater has a complex composition and fluctuates greatly in ozone dosage. High-quality ozone (O3) decomposition catalysts must achieve efficient ozone decomposition in actual operating conditions to avoid residual ozone exceeding standards and affecting wastewater discharge compliance. In practice, suppliers should be required to provide actual decomposition data for industrial wastewater applications, not just laboratory data. Furthermore, verified testing reports should be checked to ensure data authenticity and traceability.

Water resistance and antifouling performance are core requirements for water treatment applications. 

Water treatment scenarios are humid, and wastewater contains various impurities. If the catalyst has poor water resistance, it is easily deactivated upon contact with water; if its antifouling properties are insufficient, active sites will be covered by impurities, leading to rapid performance degradation. Practical recommendations prioritize industrial wastewater-specific ozone catalysts, paying attention to the catalyst's surface process design to ensure stable operation under humid and impurity-rich conditions.

Mechanical strength and structural design directly affect equipment operational stability. 

Catalysts in water treatment equipment must withstand water flow impacts and loading operations. Insufficient strength can easily lead to breakage and pulverization, resulting in pipe blockage and increased equipment maintenance costs. In practice, honeycomb-shaped ozone decomposition catalysts are preferred, as this structure offers stronger resistance to pressure and wear. It's also crucial to verify the catalyst's compressive strength test data to mitigate the risk of breakage from the outset.

Selection should also consider the economics throughout the entire lifecycle.

 Don't solely focus on initial purchase costs. While some low-priced catalysts may have a low unit price, they are prone to deactivation and have short replacement cycles, ultimately driving up overall water treatment costs. In practice, it's necessary to calculate the ozone catalytic cost per unit volume of wastewater based on the specific wastewater treatment volume, prioritizing catalysts with suitable operating conditions and long lifespans for wastewater ozone oxidation treatment to achieve cost reduction and efficiency improvement.

The core of selecting ozone decomposition catalysts for water treatment is "operating condition suitability as the foundation and performance data as the basis." By considering the composition and treatment volume of your industrial wastewater, select products with practical application cases in industrial water treatment that can provide precise selection advice. This will ensure more efficient ozone decomposition, more economical operation and maintenance, and a solid guarantee for achieving industrial water treatment standards.

Author: Hazel
Date: 2026-03-24