Arrival – 18:00-18:30 Hours
Refreshments will be provided

Presentation – 18:30- 19:30

George Winning

“The Critical Role of Impurity Analysis in Ensuring the Integrity of CCUS Projects”.

Après presentation – 19:30-20:00 (or later)

Food and drinks

(After the meeting there will be opportunity to socialise at a local hostelry)

The venue: The York Room, Lancaster Hall Hotel
35 Craven Terrace
London
W2 3EL

Nearest Tube / Train Stations:
“Lancaster Gate” Station and “Paddington” Station. Both approx. 5 mins walk    

Speaker name:  George Winning

Presentation title:  “The Critical Role of Impurity Analysis in Ensuring the Integrity of CCUS Projects”.

Abstract   

The successful execution of Carbon Capture, Use and Storage (CCUS) projects hinges on the management of several technical criteria, with the integrity of equipment, materials, and critical components being paramount. Recent data indicates that 33% of all unintentional CO₂ releases in existing assets were attributed to equipment or material/weld issues, primarily stemming from corrosion processes influenced by poorly understood effect of impurities in the CO₂ streams.

The corrosive properties of CO₂, in both gaseous and dense phases, are highly sensitive to impurities commonly found in the streams, which can adversely affect integrity and operability. The impurities in the stream, after processing, although at low levels can react to form new compounds, such as acids and secondary aqueous phases, which can impact the integrity of pipelines. These effects must be considered when setting impurity levels for a project. Even seemingly non-reactive species, like glycols and alcohols, can alter thermodynamics and phase envelopes, affecting the solubility of other impurities during phase changes.

Reaction chemistry in CCUS projects is an evolving field with limited experimental data. Testing the effects of impurities is in its early stages, with new methodologies and approaches being developed but much more is required to fully understand the effects of the impurities.

This presentation discusses the analysis of impurities and their impact on the selection, qualification, and assurance of materials to ensure the proposed asset life is achieved. Various detrimental mechanisms, including corrosion in relation to the impurity levels are discussed. Current CO₂ corrosion prediction models in aqueous environments are limited in their ability to predict corrosion in pure CO₂ streams, and the effect that impurities have. Recent advances in models consider the effect of the impurities, and use thermodynamic models to predict the formation of a secondary water phase, examples of this are discussed in the presentation.

Biography:  

George Winning is a highly experienced Corrosion Subject Matter Expert (SME) with a distinguished career spanning over three decades in the oil and gas industry. He currently serves as an Engagement Lead in the ALO team at Wood.

His expertise covers a wide range of corrosion-related challenges. In the low-carbon sector, his work has included investigating the effects of acid on the corrosivity of dense-phase carbon dioxide and leading a working group within the Wood Joint Industry Project (JIP) focused on impurities and their reactions in CO₂ transport systems.

Over his 38-year career, George has held several key positions and has worked in most of the world’s oil-producing regions, including the Middle East, where he lived for five years in the late 1990s.

He has published numerous papers on corrosion, corrosion inhibition and, more recently, on Carbon Capture, Utilisation and Storage (CCUS). George is actively involved in professional bodies such as the Association for Materials Protection and Performance (AMPP), the Institute of Corrosion, and the European Federation of Corrosion (EFC), where he holds or has held high-profile roles.