Q1: What materials prevent CO2 pipeline embrittlement?
A1: Clean steels with controlled hardness are essential. Proper drying prevents corrosive acid formation. These measures maintain ductility despite high-pressure CO2 exposure.
Q2: How are impurities managed in CCS pipelines?
A2: Gas treatment removes water, oxygen, and sulfur compounds. Continuous monitoring verifies purity levels. These controls prevent accelerated corrosion during transport.
Q3: What are the challenges in offshore CO2 pipelines?
A3: Corrosion protection must handle both internal and external threats. Special installation techniques account for deepwater pressures. These factors increase project complexity.
Q4: Why are pipeline routing studies critical for CCS?
A4: Population density affects risk assessments. Geological storage sites dictate endpoints. These considerations influence both design and regulatory approval.
Q5: How are CO2 pipeline leaks detected?
A5: Fiber optic cables provide distributed sensing. Aerial surveys complement fixed monitors. This multi-layered approach ensures rapid leak identification.
