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Leilac - Carbon Capture Technology for Cement and Lime

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The Leilac technology seeks to deliver the lowest cost carbon abatement solution for cement and lime. It aims to equip producers to take urgent action against climate change and protect their industries’ jobs and prosperity.

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Leilac uses a unique, indirectly heated calcination approach to simply and efficiently separate unavoidable CO₂ process emissions for use or storage. It is being developed to be energy agnostic and electrification ready, providing flexible and economical pathways to carbon free cem

Carbon capture reimagined

Leilac’s novel calciner (kiln) represents a breakthrough in carbon capture technology.

With no additional chemicals or processes, Leilac has reimagined calcination by separating the heat source from the chemical processing of raw materials.

It works by keeping the CO₂ that is released from the raw materials pure, rather than trying to separate gases from gases, which is the reason carbon capture is traditionally expensive.

Leilac’s unique, modular array of purpose-engineered steel tubes indirectly heats the calcination reaction, delivering a pure stream of CO₂ process emissions that is kept separate from any furnace exhaust gases or air.

Potentially the lowest cost carbon abatement solution
Leilac’s reimagined approach to carbon capture in cement and lime, will simply and directly separate unavoidable process emissions to produce relatively high purity CO₂ ready for use or storage. It aims to be the lowest cost solution for decarbonising cement and lime, as it does not need to separate CO₂ from gases. It instead keeps the CO₂ process emissions
 
Efficient capture of unavoidable process emissions
With no additional chemicals or processes, our indirectly heated calcination technology is designed to efficiently capture unavoidable CO₂ process emissions. Our elegant carbon capture solution requires, in principle, the same specific energy as a conventional, directly heated calciner, minimising additional energy consumption and associated CO₂ production. This means a minimal
 
Low-impact retrofit integration for cement
Leilac’s modular design is currently being developed to be retrofitted and integrated into existing cement plants, to minimise disruptions to operations and ensure all cement producers can decarbonise for a sustainable future.
 
Scalable
Leilac’s modular design is being developed to be scalable to capture all of the process emissions from any cement or lime plant.
 
Energy agnostic
The Leilac technology aims to operate on a variety of energy sources, including electricity and alternative fuels, providing viable, flexible and economical pathways to carbon neutral cement and lime. Leilac has the potential to also rapidly switch energy sources to enable grid load balancing and enhanced economic operations.
 
Commercial demonstration
Leilac is actively partnering with cement and lime producers and local engineering firms around the world to develop full-scale solutions for lime and commercial demonstration-scale solutions for cement. For cement, these first modules will be able to be multiplied to simply scale to full plant solutions as CO₂ abatement ambitions increase.