How to Optimize the Active Sites of Ozone Decomposition Catalysts?

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 will be helpful.

Our main customer base includes: industrial waste gas treatment companies, ozone purification equipment manufacturers, environmental protection companies in the motor vehicle, shipbuilding, exhaust gas treatment, 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, as a common pollutant, is widely present in industrial exhaust gases, indoor air, and enclosed spaces. Long-term exposure can harm human health. Catalytic decomposition is a highly efficient treatment method without secondary pollution. The core of ozone decomposition catalysts lies in their active sites. Their quantity, activity, and stability directly determine catalytic efficiency. Optimizing active sites is crucial for overcoming catalyst performance bottlenecks and driving technology implementation. It is also a core research direction for ozone decomposition catalyst optimization and room-temperature ozone purification technology.

The essential necessity of optimizing active sites is to address practical application pain points: traditional catalysts are susceptible to competitive adsorption by water vapor and blockage by intermediate species, leading to activity decay, especially severe deactivation in high-humidity environments. Simultaneously, optimizing active sites can improve catalyst low-temperature activity, reduce energy consumption, and extend service life, balancing cost-effectiveness and practicality. This has significant practical implications for industrial ozone exhaust treatment and indoor air ozone purification.

From an application value perspective, optimized catalysts are widely adaptable to various scenarios: in industry, they can efficiently treat exhaust gases from ozone generators and wastewater treatment plants, reducing environmental emission pressure; indoors, they can solve ozone residue problems in printers and UV disinfection equipment, ensuring human health; in high-end fields, they can meet the stringent requirements of precision electronics and automotive exhaust purification, driving the upgrade of ozone treatment technology.

A combination of commonly used active site optimization methods provides more compelling case studies:
First, constructing dual active sites: A university team created a NiO catalyst rich in hydroxyl groups and oxygen vacancies, achieving "hydroxyl groups protecting vacancies and vacancies promoting activation." At 50% humidity, the ozone conversion rate approached 100% after 100 hours, and remained at 87% at 90% humidity, overcoming the high-humidity deactivation bottleneck.

Second, metal doping regulation: An industrial university prepared a hydroxyl-rich MnOₓ catalyst using a simple process, maintaining a 90% conversion rate after 240 minutes at 90% humidity, significantly improving moisture resistance.

Third, rare earth doping optimization: A La-doped Mn-based catalyst achieved a conversion rate exceeding 95% after 6 hours at 90% humidity, with a unit processing cost only 1/8 that of precious metal catalysts, making it suitable for industrial-scale applications.

Furthermore, increasing oxygen vacancies through low-temperature calcination and plasma reduction, or increasing site exposure through porous support loading, are also highly efficient optimization methods. In the future, combining in-situ characterization and DFT calculations to precisely design active sites will achieve a triple breakthrough in catalysts, namely "high efficiency, moisture resistance, and long lifespan," thus propelling ozone pollution control technologies towards industrialization.

Author: Hazel 

Date: 2026-02-28