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Environmental Evaluation of CCS Using Life Cycle Assessment (LCA)

1 May 2010
Capture
Storage

In the last years several studies have investigated carbon capture and storage (CCS) from a life cycle perspective focussing on the environmental performance. Scope of this study is to compare systematically the different approaches of fifteen studies, to summarise the results, show the site specific differences, address methodological variations and formulate guidelines to assign the various conclusions gathered from the studies.

Technical Review

6th Meeting of the Monitoring Network

1 May 2010
Event Proceedings
Storage

There are currently several carbon dioxide capture and storage (CCS) projects around the world with extensive monitoring programs. A review and new results for many of these were presented. As this meeting was held in the USA, a session was given to the work being carried out by the US Regional Partnerships (USRPs). This includes projects at various phases, including several at validation phase, planning phase and ongoing development phase. The latter includes the Cranfield site in Mississippi.

Technical Review

5th Meeting of the Risk Assessment Network

1 May 2010
Event Proceedings
Storage

The two day workshop was divided into eight sessions, opening with a welcome session and closing with the Outcomes and Recommendations discussion session. Presentations were held over six sessions, covering key topics: Regulatory Requirements, What can Risk Assessment deliver?, Risk Communication, Update from Real Projects, Induced seismicity/Geomechanics, and Long-term Risk Management; with twenty minute presentations on average and a minimum thirty minute facilitated discussion. All the discussion sessions were met with enthusiastic input from all participants, many of which continued into the coffee and lunch breaks, expressing the great interest in the workshop topics, and the importance of such an open forum for advancing knowledge in this topical field.

Technical Review

Oxyfuel Combustion of Pulverised Coal

1 May 2010
Capture

In the IPCC (2005) special report oxyfuel combustion was described as a process that eliminates nitrogen from the flue gas by combusting a hydrocarbon or carbonaceous fuel in either pure oxygen or a mixture of pure oxygen and a CO₂-rich recycled flue gas. It was pointed out that combustion of a fuel with pure oxygen has a combustion temperature of about 3500/C which is far too high for typical power plant materials. The combustion temperature is limited to about 1900/C in an oxyfuel coal-fired boiler using current technology. The combustion temperature is controlled by the proportion of flue gas and gaseous or liquid water recycled back to the combustion chamber.

Technical Review

2nd Meeting of the Geological Storage Modelling Network

1 April 2010
Event Proceedings
Storage

The second meeting of the IEAGHG International Research Network on CO₂ Geological Storage Modelling was hosted by the University of Utah in Salt Lake City, on February 16th and 17th, 2010. The meeting comprised four technical sessions: Modelling Methodology and Recent Advances, Integrated Roles and Objectives of Modelling, Modelling of Real Storage Projects; Case Studies and International Efforts towards Best Practice and Modelling Protocols. The agenda was designed to provide ample time for discussions between participants, with breakout groups in sessions 1 and 2, and plenary discussions following sessions 3 and 4. Discussions following Session 1 focussed on recent advances in modelling. Current theoretical and laboratory scale research has continued to advance our understanding of the processes which will control the behaviour of stored CO₂ in the subsurface and govern potential leakage mechanisms. However, there was a consensus that an increased number of large-scale storage projects are required to provide data with which modelling methods can be calibrated

Technical Review

Workshop on Operating Flexibility of Power Plants with CCS

1 January 2010
Capture
Event Proceedings

This report is a summary of a workshop on the operating flexibility of power plants with CCS that was organised in November 2009 by IEAGHG in collaboration with Imperial College London. Operating flexibility is becoming recognised as an important issue for CCS plants but so far there has been relatively little discussion of the subject.The workshop included presentations by invited speakers followed by discussions sessions. The presentations focussed on electricity systems and CCS operating requirements, and modelling and operating experience of the flexibility of the three main CO2 capture techniques (pre-combustion, post combustion and oxy-combustion capture) and CO2 transport and storage.

Technical Review

International Network for CO₂ Capture: Report on 12th Meeting

1 January 2010
Capture
Event Proceedings

This report contains summaries of the presentations on a variety of developments including updates on amines, use of ammonia as a solvent, ionic liquids, solid sorbents, pilot plant and demonstration projects, modelling activities and environmental impacts of post combustion capture. In addition, the overall meeting evaluation and the major learning points from the meeting are summarised at the end of the report.

Technical Review

Corrosion and selection of materials for carbon capture and storage

1 January 2010
Capture
Storage

The IEA Greenhouse Gas R&D Programme (IEAGHG) has studied many aspects of Carbon Dioxide Capture and Storage (CCS). As part of this programme, the current study investigates the potential corrosion risks in the CCS processes and proposes suitable materials of construction to mitigate those risks. The scope of this study covers all aspects of the CCS systems, including the carbon capture plants, transport of CO₂ and injection wells.

Technical Review

A Review of the International State of the Art in Risk Assessment Guidelines and Proposed Terminology for Use in CO₂ Geological Storage

1 December 2009
Storage

The work carried out included the following key elements: a review of the international terminology and regulations with a focus on public health and engineering systems risk assessment and management; a compilation of generic and specific terminology for risk assessment and management relevant for CO₂ geological storage; a formal report of the methods used, results and conclusions.

Technical Review

What Have We Learned from CCS Demonstrations

1 November 2009
Industry Insights
Storage

The IEA Greenhouse Gas R&D Programme (IEA GHG) has undertaken an assessment of the learning that is being provided by operational, large-scale, pilot, demonstration and commercial CCS projects around the world. This was undertaken by questionnaire and analysis of the responses. From the analysis of the responses, key themes, learning points and areas for beneficial collaboration are identified. The extent of coverage of projects is summarised in terms of geological properties and monitoring techniques. From this initial analysis, a number of key learning areas have been identified that also warrant further investigation. These include: Effectiveness of various monitoring techniques Injectivity – prediction, restoration and enhancement Design to avoid hydrate formation Performance of materials in CO2 environments Scaling up capture train size Wells – designing, placing, and monitoring cementation

Technical Review

The Landscape of Carbon Dioxide Capture, Storage and Management (CCSM) Education in the UK

1 August 2009
Industry Insights
Public Perception

This report was commissioned by the IEA Greenhouse Gas R&D Programme (IEA GHG) to assist the Carbon Sequestration Leadership Forum (CSLF) task force in the assessment of international graduate degrees at MSc and PhD level on Carbon Dioxide Capture, Storage, and Carbon Management (hereinafter CCSM) from universities. The scope of this report is to identify academic perspectives and programs in the areas of CCSM currently available in the United Kingdom (UK). The information assembled in this report was sought from the internet, email contacts and visiting key universities. This report addresses the major findings and discusses the current landscape of CCSM education in the UKThis report has concentrated on courses provided in the UK. In addition, mention should be made that from a base in the UK the IEA GHG organises an annual International CCS Summer School. This is hosted at different locations worldwide each time; Germany, Canada and Australia in the first three years. This course offers an intensive week in all aspects of CCS, from capture to storage, and non-technical topics such as economics, policy, regulation, safety and public communication.

Technical Review

Otway Basin Pilot Project - Annual Expert Review of Monitoring and Verification Programme

1 June 2009
Industry Insights
Storage

IEA GHG has produced a revised set of criteria for assessment of plants, particularly power plants with CO₂ capture, making use of information from EPRI and others. The revised criteria should be used by IEA GHG for its future studies. Other organisations are encouraged to use the criteria to provide consistency of results. Preliminary criteria have been specified for alternative locations and these should be finalised with local organisations at the time when IEA GHG undertakes its first study for each alternative location. Other alternative locations could be considered in future, at the request of IEA GHG's members. As a follow on to this report IEA GHG will assess the feasibility of providing standard assessment criteria for CO₂ transport and storage and it will develop methodologies for comparing the relative merits of CCS and alternative low-CO₂ technologies.

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