This technology provides a catalyst system designed to remove methane from air streams containing very low methane concentrations. Methane emissions from sources such as industrial facilities, landfills, and agricultural operations can be difficult to treat because existing catalysts require high operating temperatures and lose activity in the presence of contaminants. The ORNL-developed catalyst enables methane conversion at significantly lower temperatures while maintaining activity under challenging conditions. By improving the efficiency of methane removal processes, this technology could support industrial emission control systems that must operate with dilute methane streams and variable air compositions.
Description
Researchers at ORNL developed a catalyst platform based on palladium supported within a specialized zeolite structure designed to promote methane conversion at relatively low temperatures. The material uses a tailored catalyst architecture that improves the distribution and stability of active sites, allowing methane oxidation to occur more efficiently than with many conventional catalyst systems.
Laboratory testing indicates that the catalyst begins converting methane at temperatures near 100 °C and can reach near-complete conversion at substantially lower temperatures than common commercial catalyst materials. These conditions more closely reflect real-world operating environments, where methane concentrations may be very low and air streams may contain contaminants such as water vapor or sulfur compounds.
The technology is designed to function in harsh operating environments and at gas flow rates relevant to industrial systems. Ongoing development focuses on improving catalyst stability and maintaining performance in the presence of impurities commonly found in atmospheric or facility air streams. The catalyst platform may be integrated into methane treatment systems positioned at emission points or incorporated into broader industrial air-handling processes.
Benefits
- Enables methane conversion at significantly lower operating temperatures
- Effective under dilute methane concentrations representative of real-world air streams
- Improved tolerance to contaminants
- Potential compatibility with high gas flow industrial environments
Applications and Industries
- Methane control systems for oil and natural gas operations
- Emission treatment at coal mines and industrial facilities
- Air treatment systems for landfills and agricultural operations
- Industrial process exhaust and facility ventilation streams
Contact
To learn more about this technology, email [email protected] or call 865-574-1051.
Researchers
Contact
To learn more about this technology, email [email protected] or call 865-574-1051.