Q&A
Questions and Answers about Carbon Capture, Utilization, and Storage (CCUS). If you have a suggestion for this page (or would like to appear here) give us a shout.
What is CCUS?
CCUS stands for Carbon Capture Utilization and Sequestration. It involves capturing CO2 emissions from sources like power plants, utilizing it in various products, or storing it underground.
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How does carbon capture work?
Carbon capture involves capturing CO2 from emission sources using chemical solvents, physical separation, or other technologies.
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Why is CCUS important?
CCUS is crucial for reducing greenhouse gas emissions and combating climate change. It helps in achieving carbon neutrality and mitigating global warming.
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What are the main challenges of CCUS?
The main challenges include high costs, energy requirements, public acceptance, and ensuring long-term storage safety.
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Where can CO2 be stored?
CO2 can be stored in geological formations such as depleted oil and gas fields, saline aquifers, or unmineable coal seams.
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What are the potential uses of captured CO2?
Captured CO2 can be used in enhanced oil recovery, manufacturing carbonates, producing biofuels, and creating building materials like concrete.
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How much CO2 can be captured and stored with current technology?
Current technology can capture and store millions of tonnes of CO2 annually, but scaling up is necessary to meet global climate targets.
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Is CCUS safe?
When properly managed, CCUS is considered safe. Long-term monitoring and regulation are essential to ensure the safety of storage sites.
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What is the cost of implementing CCUS?
The cost of CCUS varies, but it generally ranges from $50 to $100 per tonne of CO2 captured, with potential for reduction as technology advances.
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What are the environmental impacts of CCUS?
CCUS can significantly reduce CO2 emissions, but it requires careful management to avoid risks such as CO2 leakage and ecosystem disruption.
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