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Discover the latest advances carbon capture and storage research

Barriers to Implementation of CCS: Capacity Constraints

1 July 2012
Capture

The study tried to be as comprehensive as possible but to limit the scale of the study some compromises had to be made. The study was based on global requirements and essentially used a high level approach and did not consider regional differences in skills, manufacturing bases etc., The study considered the full CCS chain, i.e. capture, compression, transport and storage of CO2 but excluded the power/industry equipment prior to the capture plant.

Technical Report

Operating Flexibility of Power Plants with CCS

1 June 2012
Capture

IEAGHG has commissioned Foster Wheeler Italiana to carry out a study to review the operating flexibility of the current leading power generation technologies with CCS and to assess performance and costs of some techniques for improving flexibility. This overview of the report was written by IEAGHG.

Technical Report

Gaseous Emissions from Amine Based Post Combustion CO₂ Capture Processes and their deep removal

1 May 2012
Capture

This report evaluates the emission from the PCC technology that uses amine based inhibitor-free solvents, particularly MEA, ammonia and amino acid salt based solvents. It identifies shortcomings in terms of the environmental performance of existing PCC technology. It also evaluates various emission control methods that may be applied to minimise the emissions particularly from MEA and other amine technologies. All these aspects of the study are covered in the four sections of this report. A complete evaluation of environmental impact of the amine based process would involve assessment of all direct discharge of waste material from the process and the fates of these compounds, including chemical transformations that occur after their discharge. However, it is to be noted that only gaseous emissions are evaluated in this report and liquid and solid emissions are considered as beyond the scope of this study.

Technical Report

Emissions of Substances Other than CO₂ from Power Plants with CCS

1 March 2012
Capture

The emissions of CO₂ from power plants equipped with carbon dioxide capture systems are reduced by upwards of 85% compared to equivalent plants without capture. However the full environmental impact of a plant fitted with CO₂ capture will depend also on what changes are induced in emissions of other substances in gaseous, liquid and solid form. Furthermore due to the increase in fuel and chemicals consumption typical for a CCS plant emissions due to the “upstream” and “downstream” processes and particularly those associated with increased fuel use, will also increase. Both these effects need to be taken into account if the technology is to be assessed on a life cycle basis. This study focuses only on the changes which are to be expected in the direct emissions, discharges and solid wastes of substances other than CO₂ from within the boundary of power plants fitted with CO₂ capture

Technical Review

Integration of Solar Energy Technologies with CCS

1 March 2012
Capture

This study was undertaken to identify and quantify opportunities for Carbon Capture and Storage (CCS) and renewable energy technologies to be combined in a synergistic way and to identify any options which would tend to leave a permanent legacy for the renewable power generation industry. Several interesting options were studied and the key option of providing renewable thermal energy to compensate for the parasitic losses incurred by post combustion CCS was studied in some detail.

Technical Report

3rd High Temperature Solid Looping Network Meeting

1 December 2011
Capture
Event Proceedings

The third meeting of the IEAGHG high temperature solid looping network was held from 29th August to 1st September at the Technical University of Vienna. It was held in parallel with a meeting of the IEA Fluidised Bed Combustion implementing agreement and the International Conference on Polygeneration. This gave the 108 delegates who attended the network meeting the opportunity to meet with those engaged in these other related areas. For this meeting a considerable effort was made to attract members of the Chemical Looping Combustion (CLC) research community which has been less represented at past meetings where calcium oxide looping (CaL) cycles for CO2 capture have tended to dominate. This should be a useful change as both processes use similar dual fluidised bed hardware and there is also emergence of hybrid schemes employing both types of reaction. Also several of the larger test facilities are now set up to test both CLC and CaL processes using the same equipment.

Technical Report

Addressing SO2/SO3/Hg/Corrosion Issues in Oxyfuel Combustion Boiler and Flue Gas Processing Units

1 December 2011
Capture

The workshop consisted of two full days, with 3 keynote addresses presented by Prof. Terry Wall (Newcastle University), John Pavlish (EERC) and Prof. Axel Kranzmann (BAM) which review the current understanding on the fate of sulphur and Hg, and corrosion issues during oxyfuel combustion. The keynote addresses were followed by 24 presentations covering the following topics:   <ul> <li>Fundamental research on the fate of sulphur – measurement techniques and discussion on sulphur balance</li> <li>Fundamental research on corrosion issues in high and low temperature regime during oxyfuel boiler operation.</li> <li>Fundamental research on corrosion and ash deposition during oxyfuel combustion</li> <li>Fundamental research on performance of the flue gas processing units in control of NOx, SOx and Hg.</li> <li>Large scale pilot testing experience</li> </ul>

Technical Report

Post Combustion Capture Conference 1

1 November 2011
Capture
Event Proceedings

PCCC1 aims to be a forum to discuss the various issues related to post-combustion capture technologies status and development. PCCC1 will provide an opportunity to encourage technology providers and developers to share their experiences and knowledge.

Technical Report

Challenges and Opportunities of CO₂ Capture and Storage for the Iron and Steel Industry

1 November 2011
Capture
Industry Insights

The main objectives of the workshop were: To address and discuss the difficulties of the iron and steel industry to enable the implementation of CCS. To understand the various issues and factors in the evaluation of the cost of CCS in an integrated steel mill.

Technical Report

Rotating Equipment for Carbon Dioxide Capture and Storage

1 September 2011
Capture

The work was divided into two stages. The first part was to define the process requirements for the compression for typical coal fired, pre, post and oxy-combustion processes as well as for a gas fired post combustion process. Thereafter a number of optimisations of the integration of the compression system with the rest of the process were examined. In the second part selected manufacturers of CO2 compressors were asked to provide general information on their products and also to make selections and indicate budget prices for compressors to perform the 4 specific sets of compression process requirement. Two novel compression concepts were also reviewed, the most revolutionary being the supersonic compression technology being developed by Ramgen, the other being the use of a low pressure axial flow compressor for the first stage of compression. In addition a novel method to use heat of compression for regeneration of mole sieve dryers was investigated

Technical Report

Potential for Biomass and Carbon Dioxide Capture and Storage

1 July 2011
Capture

A contract for this study was awarded to Ecofys B. V. of the Netherlands. The aim of the study was to provide a global and regional assessment of potential for BE-CCS, identifying the main potential types of biomass, technologies applicable for energy conversion/process and whether CCS application is possible; considering deployment to target future scenarios; complimenting the IEAGHG study on ‘Techno-economic evaluation of biomass fired or co-fired power plant with post-combustion CO2 capture’. The contractor was asked to assess the net carbon balance for likely biomass CCS technology options, taking into account biomass supply chains and processing; to provide quantitative indications of the emissions performance potential; consider other potential greenhouse gas impacts such as land-use change, identifying any potential negative environmental consequences, such as non-sustainable biomass production; and consider deployment issues, in terms of policy and regulatory barriers and incentives.

Technical Report

IEAGHG Seminar on Control of Nitrosamine Formation in CO₂ Capture Plant: Report on Meeting

1 June 2011
Capture
Event Proceedings

This workshop was held aiming to answer the following questions: What inputs can we expect in terms of NO2 levels and amine quality? How to improve the reliability and plausibility of nitrosamine analysis? What level of accuracy is possible in nitrosamine detection? Which concentration of nitrosamine can be expected until the first reclaimer operation? How can nitrosamine levels be minimized? How likely is the formation of volatile nitrosamine? How can we move forward with providing reliable information to the public?

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