ELSS L14 - Carbon Sequestration
- Created by: Hadley023
- Created on: 07-11-18 12:12
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- Carbon sequestration
- What are the limitations?
- Involves big capital costs which makes energy production more expensive.
- Uses large amounts of energy - 20% of power plants output is needed to separate CO2 and compress it.
- Requires storage reservoirs with specific geological conditions i.e. porous rocks overlain by impermeable strata.
- Case Study: USA
- 40% of all CO2 emissions are from coal and gas fired power stations.
- CCS has the potential to reduce emissions by 80-90%.
- Case Study: Drax, UK
- Designed to capture 2 millions tonnes of CO2 per year, costing £1 billion.
- Plan was for carbon to be transported by pipeline to the North Sea and stored in depleted gas reservoirs.
- Project was designed due to rising costs of the Petemead project in Scotland.
- What are the limitations?
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