Carbon Capture: A Guide to Reducing Emissions
The science of carbon capture involves the capture, transportation, and storage of carbon dioxide (CO2) emissions from industrial processes such as power generation, manufacturing, and transportation. The process of carbon capture involves three main steps: capture, transportation, and storage.
The capture step involves separating CO2 from other gases, such as nitrogen and oxygen, using solvents or physical processes such as adsorption.
The transportation step involves moving the captured CO2 to a storage location, which could be an underground geological formation or an industrial site.
The storage step involves injecting the CO2 into the chosen storage location and monitoring it to ensure it remains secure.
One example of carbon capture in action is the Boundary Dam Power Station in Saskatchewan, Canada, which uses a process called post-combustion carbon capture to capture up to 90% of the CO2 emissions from its coal-fired power plant. The captured CO2 is then transported via pipeline to an oil field where it is used for enhanced oil recovery, a process that involves injecting CO2 into oil reservoirs to increase the amount of oil that can be recovered.
Another example is the Sleipner project in the North Sea, which involves capturing CO2 from natural gas production and injecting it into a saline aquifer deep beneath the seafloor. The project has been in operation since 1996 and has injected over 15 million tonnes of CO2, effectively preventing it from being released into the atmosphere.
Carbon capture technologies are constantly evolving and improving, with new methods of capture, transportation, and storage being developed and tested all the time. The science of carbon capture is a vital tool in the fight against climate change, and it will continue to play an important role in reducing greenhouse gas emissions in the years to come.
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