Ensuring Efficient Removal of Ozone and Trace VOCs
The performance of Hopcalite Catalyst Powder depends not only on its chemical composition but also on the surrounding operating environment. As a high–surface area catalyst composed mainly of manganese and copper oxides (with adjustable ratios), it is engineered for the removal of low-concentration contaminants such as ozone and volatile organic compounds (VOCs). To achieve stable performance and avoid premature deactivation, careful control of air quality, flow parameters, and substrate configuration is essential.
This technical guideline summarizes practical recommendations based on industrial trials and laboratory evaluations conducted on DEAI CHEM’s proprietary formulations.
1. Particle Characteristics — High Surface Area, Defined Range
The powder is dark brown to black, with a particle size distribution of 3–8 μm, providing a large active surface area for efficient catalytic reactions. Proper dispersion on the substrate is crucial for maximizing contact efficiency and preventing agglomeration.
Recommended substrates for coating:
• Metal meshes or foams (stainless steel or aluminum)
• Ceramic honeycomb structures
• Cellulose-based air filters
Uniform coating significantly improves diffusion efficiency and shortens required contact time, especially in low-flow ambient air systems.
2. Air Quality Requirements — Moisture & Oil Control
Hopcalite catalysts are highly sensitive to moisture and oil vapors. Excess humidity or hydrocarbon contamination may temporarily block active sites and reduce catalytic activity.
Recommended air conditions:
• Dew point ≤ –20°C (preferably ≤ –40°C for critical applications)
• No silicone-based aerosols or lubricants in the airflow
• Pre-filtration using HEPA or activated carbon is advised when VOC levels fluctuate
In indoor air treatment units, the use of a pre-filter stage significantly stabilizes performance over extended operation.
Elevated temperatures improve conversion efficiency, particularly for formaldehyde and other polar VOCs. However, excessive heat (>100°C) may induce structural sintering and should be avoided unless specified for high-temperature applications.
3. Suitable Applications
Hopcalite Catalyst Powder is formulated for fast-response ozone and VOC removal in low-to-moderate concentration environments, including:
• Ozone emissions from printers and photocopiers
• Chemical processing residues
• Indoor air purification (formaldehyde, odors, VOCs)
• Laboratory exhaust treatment
• Air handling units in commercial spaces
When properly coated and integrated into air systems, it functions as a passive, non-consumable catalyst with consistent long-term activity.
4. Integration & Performance Stability
For long-term use, the catalyst should be applied via spray coating, dip coating, or vacuum deposition depending on substrate type. DEAI CHEM provides support for coating formulation and viscosity control, ensuring proper adhesion without pore blockage.
With correct operating conditions, field installations have demonstrated >95% ozone removal efficiency and significant VOC reduction, without generating secondary pollutants.
Designed for Reliability and Low Maintenance
Hopcalite Catalyst Powder enables a passive purification strategy—no regeneration cycles, minimal energy demand, and compatibility with existing HVAC structures. When integrated with proper pre-filtration and controlled flow dynamics, it provides an extended service life suitable for commercial, medical, and industrial environments.
For substrate coating guidance, system integration, or VOC/O₃ performance evaluation, DEAI CHEM provides full technical support from material selection to implementation.