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Discover the latest advances carbon capture and storage research

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

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

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

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

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 Report

CCS Site Selection and Characterisation Criteria

1 December 2009
Capture
Storage

The I EA G reenhouse G as R &D P rogramme ( IEA GHG ) ha s recently co mmissioned the Alberta Research Council in Canada to conduct a review of storage site selection criteria and site ch aracterisation methods in o rder to produce a s ynthesis r eport. Among the va rious elements of the CO₂ capture and storage (CCS) chain, t he stage of storage site selection and characterisation is o f cr itical importance be cause any storage s ite m ust de monstrate that it satisfies three fundamental requirements: 1. capacity to store the intended volume of CO₂ 2. injectivity, to accept/take CO over the lifetime of the operation, 2 3. containment, to en sure t hat C O at the rate that it is supplied from the emitter(s), 2 will n ot m igrate an d/or leak out of t he s torage unit (safety and security of storage). This report reviews the literature on the subject on site selection and characterisation since the publication of the IPCC Special Report on CCS, and provides a synthesis and classification o f criteria.

Technical Report

CO₂ Storage in Depleted Oil Fields

1 December 2009
Storage

The study took as its starting point, IEA GHG Report on PH3/23 undertaken in 2000 as its base line data set. The study was to assess the data within the report and determine whether there was newer data on issues, (e.g. CO2 use/bbl oil produced in EOR floods) that could be used to revise global estimates.

Technical Report

OPEC-IEA GHG CCS workshop for scientists and professionals in OPEC Member Countries

1 December 2009
Event Proceedings
Industry Insights

This workshop was proposed to the IEA GHG by OPEC, and the first plan was to hold the workshop in February 2009, in Algeria. Due to difficulties in preparing invitation letters and visas; the workshop was postponed to November 2009. The suggestion was that Carbon Capture and Storage (CCS) was an important topic not being adequately dealt with by OPEC member countries. Therefore, this workshop was planned to introduce scientists and professionals from OPEC member countries with a general overview of the complete CCS chain. In addition, this workshop was considered as a good opportunity for IEA GHG to interact with professionals from these countries, who are involved mainly in the oil and gas sector. The Ministry of Energy and Mines together with Sonatrach, agreed to host the workshop in Hassi Messaoud, Algeria. An organizing committee was established, with members form IEA GHG, OPEC, the Ministry of Energy and Mines and Sonatrach. The workshop was held from the 16th to 20th of November, 2009 and attracted over 25 delegates from 7 countries.

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.

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