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A range of evidence supports the role of carbon capture, usage and storage (CCUS) in delivering the most competitive and productive UK transition to a low carbon future.
The UK government has funded appraisal work on several of the many offshore saline aquifers potentially suitable for CO2 storage. As a result, our knowledge base relating to these stores is high, and some stores are ‘ready for business’.
Injecting CO2 into saline aquifers pressurises them, and since each store has a limiting pressure for integrity reasons, this can limit the storage capacity and CO2 injection rate, and so affect costs.
This paper, delivered by Energy Systems Catapult for the Energy Technologies Institute, describes the efficacy of a simple technique to alleviate this constraint – pressure is relieved by releasing the native water in the aquifer as it is filled with CO2. This is termed ‘brine production’.
This analysis reports the savings to the UK from deploying brine production in line with that needed to deliver lowest-cost decarbonisation pathways would be at least £2 billion, but would most likely be more.
Brine Production and its Potential Impact on UK Carbon Dioxide Storage
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Independent and technology-agnostic, whole systems approach to accelerating clean innovations to market and tackling the hardest challenges on the way to Net Zero
Find out moreFind out more about how Energy Systems Catapult can help you and your teams
Find out more about how Energy Systems Catapult can help you and your teams