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HomeHomework Helpenvironmental-scienceGeological Carbon Sequestration

Geological Carbon Sequestration

Geological carbon sequestration techniques refer to methods used to capture and store carbon dioxide (CO2) emissions in underground geological formations, such as depleted oil and gas reservoirs or deep saline aquifers, to mitigate climate change by preventing CO2 from entering the atmosphere. These techniques involve the injection of CO2 into porous rock layers, where it can be trapped and contained over long periods.

intermediate
3 hours
Environmental Science
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Overview

Geological carbon sequestration is a critical technology in the fight against climate change, allowing for the capture and storage of CO2 emissions from industrial sources. By storing CO2 underground in geological formations, we can significantly reduce the amount of greenhouse gases released into t...

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Key Terms

Carbon Capture
The process of capturing CO2 emissions from sources like power plants.

Example: Carbon capture technologies can reduce emissions by up to 90%.

Saline Aquifers
Underground layers of water-bearing rock that contain salty water, suitable for CO2 storage.

Example: Saline aquifers are often used for long-term CO2 storage.

Enhanced Oil Recovery
A technique that uses CO2 injection to increase oil extraction from reservoirs.

Example: CO2 is injected into oil fields to boost production.

Oxy-fuel Combustion
A combustion process that uses pure oxygen instead of air, resulting in a more concentrated CO2 stream.

Example: Oxy-fuel combustion can simplify the carbon capture process.

Monitoring Techniques
Methods used to track the movement and safety of stored CO2.

Example: Monitoring techniques include seismic surveys and satellite imaging.

Geological Formations
Natural underground structures that can store CO2 safely.

Example: Depleted oil fields are common geological formations for CO2 storage.

Related Topics

Renewable Energy
Explores energy sources that are replenished naturally, reducing reliance on fossil fuels.
intermediate
Climate Policy
Examines regulations and strategies aimed at reducing greenhouse gas emissions.
intermediate
Environmental Impact Assessment
Focuses on evaluating the potential environmental effects of proposed projects.
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Key Concepts

Carbon CaptureStorage SitesMonitoring TechniquesEnvironmental Impact