BREAKING NEWS: FULL-DAY FACE-TO-FACE FABIG TECHNICAL MEETING ON HYDROGEN FIRE & EXPLOSION HAZARDS PLANNED FOR 07 OCTOBER 2021 IN LONDON

Webinar 020

CCS CO2 - Aspects of CO2 that could cause or contribute to a major accident

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Speaker(s): Hamish Holt

Organisation(s): DNV

Duration: 61 min

SUMMARY

Carbon Capture and Storage (CCS) requires very large quantities of impure CO2 to be captured, transported, and injected deep underground. The CO2 systems will likely have Major Accident Hazard (MAH) potential due to a combination of the mass of CO2 that could be released during an accidental leak and the impact if the released CO2 is inhaled above a concentration of around 5%.

Of particular concern are pipelines carrying liquid phase CO2 located onshore or near-shore as these pipelines will have a CO2 inventory of many tens of thousands of tonnes and if there was a loss of containment would threaten life for a considerable distance.

It is therefore vital that those responsible for implementing and regulating CCS are fully aware of the CO2's MAH potential so that CO2 systems are located, designed, operated and maintained to reduce the risks to people to an acceptably low level.

This presentation raises awareness of the properties and behaviours of CCS CO2 and highlight how they could cause or contribute to a MAH event. It draws on the considerable experience and knowledge gained through various CO2 Joint Industry Projects (JIPs) that DNV has delivered to support the global roll out of CCS, JIPs such as CO2PIPETRANS and CO2RISKMAN.

The presentation includes information on:

  • CCS & CO2 basics;
  • Inhalation effects;
  • Integrity threats:
    • Material incompatibility;
    • Internal corrosion;
    • Low temperatures;
    • Solid CO2 formation;
    • Thermal expansion;
  • Mixture phase behaviour;
  • Propagating pipeline cracks;
  • Hydrate formation;
  • CO2 BLEVE;
  • Release modelling & topography effects;
  • MAH Regulatory oversight.
Non-member price: £75.00 Add to Basket
Recorded in: February 2021
Keywords:
Carbon Capture and Storage (CCS) / CO2 / Major Accident Hazard (MAH)

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