"The opening of the SaskPower Boundary Dam CCS project marks an important step for the CCS industry, as it demonstrates the viability of large-scale post-combustion CO2 capture,” said Lori Motherwell, President and GM at Shell Cansolv. “It’s also an important moment for Shell Cansolv, as it is our largest CO2 capture project so far, proving the technology at industrial scale and paving the way for future developments.”

The Shell Cansolv integrated technology can remove CO2 and SO2 from a broad range of industrial flue gases, providing a simplified solution to emission regulations.  The technology can be added to an existing plant or incorporated in a new installation. 

Shell Cansolv’s technology also has the potential to lower capital and operating costs.  The combined capture system can help reduce the energy used in the capture process. The technology also uses regenerable aqueous amine solutions to capture the SO2 and CO2, making the process more cost-effective and minimising environmental waste.

“SaskPower’s carbon capture and storage project at Boundary Dam Power Station is the world’s first post-combustion carbon capture and storage system. The effort has provided us with unique opportunities to work with valued partners, such as Shell Cansolv, as we work to power our province today and for generations to come,” said Robert Watson, SaskPower President & CEO.


CCS is a process that captures carbon dioxide emissions from large industrial sources, like power stations, smelters and many other industrial sites. Once captured, the CO2 is transported, typically by pipelines, before being permanently stored in deep, underground formations such as depleted oil and gas reservoirs.

The Shell Cansolv technology removes sulphur dioxide (SO2) and carbon dioxide (CO2) in two stages.  At the SaskPower Boundary Dam project:

The power plant’s flue gases are desulphurised first.  The SO2 is further processed and used as feedstock for a sulphuric acid plant.  Sulphuric acid has a number of industrial uses including fertilizer.

Then the CO2 is removed and compressed.  Most of the CO2 will be used in enhanced oil recovery projects.  Some CO2 will also be injected into a deep saline formation as part of the Aquistore Project.  In both cases, the CO2 will be permanently stored underground so that it does not enter the atmosphere.

The amount of CO2 expected to be captured at the Boundary Dam Power Plant is equivalent to taking approximately 250,000 cars off the road.

The Shell Peterhead project in Scotland, currently in the front end engineering and design stage of project development, is also expected to use Shell Cansolv CO2 capture technology.


Shell International Media Relations: +44 20 7934 5550

Business Development:  mail@cansolv.com or +1 514 382 4411

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