Carbon monoxide (CO) remains one of the most critical contaminants to eliminate in any system supplying breathable or high-purity air. Whether used in respirators, escape masks, compressed breathing systems, or cryogenic gas processing, CO must be removed effectively to ensure safety and compliance with international air quality standards.
DEAI CHEM’s Hopcalite Catalyst is specifically engineered for these environments. This manganese dioxide–copper oxide granular catalyst provides a stable and efficient pathway for CO oxidation, delivering reliable purification performance even at ambient temperature.
1. Functional Role of Hopcalite in Air and Gas Safety
In breathing air systems and emergency respiratory equipment, trace concentrations of carbon monoxide can compromise user safety within seconds. Hopcalite catalysts are widely recognized as the preferred non-thermal solution for CO conversion, operating without external heat input or electrical power.
The catalyst promotes the oxidation of carbon monoxide to carbon dioxide, enabling continuous purification in:
• Compressed breathing air cylinders
• Self-contained breathing apparatus (SCBA)
• Emergency escape masks and hoods
• Industrial respiratory devices
• Cryogenic air separation and purification systems
In these settings, system reliability must be absolute. Hopcalite’s proven catalytic stability under dry-air conditions makes it a critical safety component.
2. Composition and Physical Properties
DEAI CHEM manufactures Hopcalite in a range of mesh sizes to accommodate different system designs and flow conditions:
•4 × 8 mesh
•8 × 14 mesh
•10 × 18 mesh
•12 × 20 mesh
The material is characterized by its black to dark brown granular appearance, optimized for:
• High surface area
• Low pressure drop
• Stable mechanical strength
• Uniform gas–solid contact
These attributes ensure predictable performance over the catalyst’s operational lifespan.
3. Catalytic Mechanism and Performance
Hopcalite enables carbon monoxide oxidation through a surface-mediated catalytic reaction.
This reaction proceeds efficiently at room temperature, making the material well-suited for equipment that cannot accommodate thermal regeneration or external heating.
Key performance characteristics include:
• High CO conversion efficiency in dry air
• Rapid reaction kinetics at ambient temperature
• Robust resistance to long-term deactivation in controlled conditions
• No secondary contaminant generation
For maximum effectiveness, systems must prevent moisture exposure, as humidity can inhibit Hopcalite activity.
4. Application Considerations
Integrating Hopcalite correctly within a purification system is essential. Recommended practices include:
1）Ensuring the catalyst bed remains dry and protected from water vapor and hydrocarbons.
2）Maintaining proper airflow distribution, avoiding channeling that may reduce contact efficiency.
3）Using appropriate pre-filtration to remove particulates and oil aerosols before air reaches the catalyst.
4）Monitoring pressure drop and service intervals as part of routine maintenance.
These guidelines help maintain high conversion efficiency and extend the operational life of the catalyst.
5. Commitment to Air Safety and Purification Reliability
Carbon monoxide control is essential for every industry reliant on compressed or purified air. DEAI CHEM’s Hopcalite Catalyst is developed to support these requirements with dependable, long-lasting performance under demanding operational conditions.
Through controlled manufacturing, stringent quality standards, and material expertise, DEAI CHEM provides a catalyst solution designed to safeguard users and ensure air purity across critical applications.