Catalytic VAM Abatement Commercialisation Project

Methane’s global warming potential is 28 times greater than that of carbon dioxide, making its mitigation crucial in the reduction of mining emissions. The low concentration of methane in VAM (typically 0.3–0.6%) presents a challenge for abatement technologies. Gas capture initiatives may further reduce these concentrations over time, making residual emissions more difficult to abate but still significant regarding their financial impact under the Safeguard Mechanism. Traditional thermal oxidation methods require high temperatures (up to 1000°C) to ignite methane, which can be energy-intensive and less efficient. Additionally, the safe and scalable deployment of catalytic oxidation technology in Australia poses technical and logistical challenges that must be addressed to meet regulatory requirements and sustainability goals.

The project not only evaluates catalytic oxidation as a viable technology to mitigate VAM emissions but also aims to advance its commercialisation through structured technical and stakeholder engagement, leveraging SMEs worldwide who help identify and address bottlenecks. Phase One involved comprehensive testing of promising catalysts under various conditions to assess their performance and operational envelope. Three potential catalysts for pilot-scale application were successfully identified through independent testing. Phase Two involves detailed engineering design, fabrication, and operation of three catalytic pilots. These will operate in a workshop facility and at Australian coal mines under synthetic and real VAM conditions, respectively, to prove of concept, identify challenges, and address them for Phase 3, which will demonstrate the technology at 10 m³/s.

Mining3: An industry-led research and development organisation engaged by LETA to serve as the program leader who ensures technical integrity and compliance. Mining3 coordinates project phases, facilitates stakeholder collaboration, and provides technical input to accelerate technology development as needed.

The successful implementation of catalytic oxidation technology for VAM abatement offers significant environmental and economic benefits:

• Environmental Impact: By converting methane into carbon dioxide, the project aims to reduce the greenhouse gas impact of coal mining operations, addressing a critical source of emissions.
• Regulatory Compliance: Compliance with Australian legislation and the Safeguard Mechanism will help coal producers avoid increased financial costs associated with emissions.
• Technological Advancement: Developing a more efficient and lower-temperature oxidation process enhances safety and reduces operational expenses.
• Commercial Opportunities: For technology providers, the project presents a cost-free opportunity to advance and commercialise their catalysts, fostering innovation within the industry.
• Sustainability: The project contributes to the long-term viability of coal mining businesses by aligning operational practices with environmental goals.

The project is currently in Phase Two, focusing on determining the scalability of catalytic oxidation technology for VAM using high potential catalysts determined in Phase One. The project is on track to:

• Manufacture and operate a 0.7 m3/s unit off-site with simulated mine site conditions.
• Manufacture and operate two pilot units with 1 m3/s capacity on an Australian mine site.
• Develop a commercialisation roadmap with suitable pilot designs for subsequent phases.
• Set the stage for Phase Three, which will involve further scaling up to 10 m3/s trialling, and developing a full commercial unit in Phase Four by 2030.

• Low Emission Technology Australia (LETA): A consortium representing 26 coal mines, LETA has commissioned the project to address the industry’s need for effective methane emission reduction solutions.
• Mining3: An industry-led research and development organisation engaged by LETA to serve as the program leader who ensures technical integrity and compliance. Mining3 coordinates project phases, facilitates stakeholder collaboration, and provides technical input to accelerate technology development as needed.
• TAB Resources: A Engineering, Procurement, Construction Management (EPCM) firm supporting Mining3. Tab-Resources will support the installation, commissioning, and operation of pilot plants in Phase Two.
• Catalyst Developers and Technology Providers: Invited to participate in the project, these partners provide catalysts for testing and contribute expertise to the test program design. Participation offers a pathway to commercialisation without incurring costs.
• Independent Testing Facilities: Collaborating with Mining3, these facilities conduct comprehensive evaluations of catalyst performance. Agreements ensure the protection of intellectual property and prevent reverse engineering of samples.
• Original Equipment Manufacturers: Providing detailed engineering designs and pilot fabrication for Phase 2.