Carbon capture and storage
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This poster on the UKCCSRC Call 1 project, Mixed Matrix Membrane Preparation for PCC, was presented at the Nottingham Biannual, 04.09.13. Grant number: UKCCSRC-C1-36.
This data contains the output from the first Flexible CCS Network Development (FleCCSnet) workshop of stakeholders discussing the development of CO2 networks in the UK. The first was held on the 30 April 2014 at the University of Edinburgh, UK. The purpose of Workshop 1 was to identify and confirm the key questions to be considered in order to understand the most likely impacts of variability in the CO2 sources and variability in CO2 sinks on CO2 transport system design and operation. There were a total of 21 attendees including 7 representatives from PSE, Scottish Power, BP, SCCS, Parsons Brinckerhoff, Element Energy, and AMEC. The dataset consists of two reports. The first report, 'Developing CO2 networks: Key lessons learnt from the first Flexible CCS Network Development (FleCCSnet) project workshop', summarises the workshop findings, which have been used to create a series of scenarios that were investigated by transient simulation. The scenarios developed are described in the second report, 'Developing CO2 networks: Scenarios building on the first Flexible CCS Network Development (FleCCSnet) project workshop'.
This poster on the UKCCSRC Call 2 project Performance of Flow Meters with Dense Phase CO2 and CCS Recovery Streams was presented at the CSLF Call project poster reception, London, 27.06.16. Grant number: UKCCSRC-C2-201. Captured carbon dioxide (CO2) from CCS operations needs to be transported to the storage location. Metering of the flow could be challenging due to the presence of impurities as well as unusual physical properties of the CO2 with impurities. The metering accuracy must be within the range of ±1.5% by mass according to the European Union Emission Trading Scheme (EU ETS) regulations. However, no investigations have been performed to evaluate the performance of flowmeters with pressurized CO2 at operational CCS conditions. The goal of project is to investigate the performance of Coriolis mass flowmeter with high CO2 content mixtures. Specific objectives of the project include: • To study the effect of impurities on the accuracy of the Coriolis flow meter. • To investigate the performance of Coriolis flow meter at conditions likely to happen in the CCS operations. • Evaluation of costs for the deployment of Coriolis flow meter in CCS operations.
The data consists of an extended abstract submitted to 'The Fourth International Conference on Fault and Top Seals', Almeria, Spain, 20-24th September 2015. The abstract describes work carried-out on behalf of the 'Fault seal controls on CO2 storage capacity in aquifers' project funded by the UKCCS Research Centre, grant number UKCCSRC-C1-14. The CO2-rich St. Johns Dome reservoir in Arizona provides a useful analogue for leaking CO2 storage sites, and the abstract describes an analysis of the fault-seal behaviour at the site. http://earthdoc.eage.org/publication/publicationdetails/?publication=82673.
The objective of the EU SiteChar Project was to facilitate the implementation of CO2 geological storage in Europe by developing a methodology for the assessment of potential storage sites and the preparation of storage permit applications. Research was conducted through a strong collaboration of experienced industrial and academic research partners aiming to advance a portfolio of sites to a (near-) completed feasibility stage, ready for detailed front-end engineering and design and produce practical guidelines for site characterisation. SiteChar was a 3 year project supported by the European Commission under the 7th Framework Programme. The Final Report can be downloaded from http://cordis.europa.eu/docs/results/256/256705/final1-sitechar-finalreport.pdf.
This Proposal focuses on the determination of the dew point of water (H2O), or “water solubility”, in impure CO2 mixtures (e.g. containing nitrogen, N2, oxygen, O2, hydrogen, H2, or mixtures of N2 + H2). The proposed work is a direct result of new findings in our project under Call 1, where we have obtained highly reproducible data for water solubility in CO2 + N2 using infrared spectroscopy and are well on the way to implementing an independent route using the so-called “Karl-Fischer” titration technique to give independent validation of our results. We have shown that the solubility of H2O is significantly reduced by the presence of even low concentrations of N2, a finding which has direct implications on anthropogenic CO2 transportation pipeline specifications and operation (e.g. internal corrosion). Such data have been identified by the Advanced Power Generation Technology Forum (APGTF) and the priorities specified in the UKCCRC Research And Pathways to Impact Delivery (RAPID) Handbook as being crucial for developing safe CO2 transportation in both the gaseous and dense phase. This Project has been designed to fill gaps in the available data, which are crucial for the safe implementation of Carbon Capture and Storage (CCS) because liquid water is highly acidic in the presence of excess CO2; this acidity can be increased by trace amounts of sulphur dioxide (SO2) and hydrogen sulphide (H2S), and this acidity will greatly accelerate corrosion in transportation pipelines and can cause further problems in sub-surface storage. Keeping water and CO2 in a single phase during transportation will largely avoid these problems. In Call 1, we set out to design and develop two complementary experimental approaches using either Infrared spectroscopy or Karl-Fischer titration. The key is now to understand the major implications for the complex range of CCS mixtures. A further complication is that the phase behaviour is highly dependent on both composition and temperature, therefore in order to fully understand the behaviour of water in the context of CCS requires further measurements. For this project we are targeting the needs outlined by National Grid in their letter for pre-combustion CCS where H2 is a likely contaminant. We have obtained preliminary data for H2 which shows that the effects may be greater than for N2, but this needs full validation. Furthermore, we propose to test the widespread assumption that the behaviour of O2 impurities will mirror that of N2. O2 is important in CCS coupled to the oxyfuel technology. Grant number: UKCCSRC-C2-185.
This poster on the UKCCSRC Call 1 project, Oxyfuel and EGR Processes in GT Combustion, was presented at the Sheffield Biannual, 08.04.13. Grant number: UKCCSRC-C1-26.
This poster on the UKCCSRC Call 2 project Advanced Sorbents for CCS via Controlled Sintering was presented at the CSLF Call project poster reception, London, 27.06.16. Grant number: UKCCSRC-C2-206. Calcium looping shows significant promise for CO2 capture. The process can lead to an energy penalty as low as 6 - 8 % including the compression of the lean CO2 stream, compared to 9.5 - 12.5 % for amine-based post-combustion capture. To implement this technology on an industrial scale, a large quantity of CaO-based sorbent will be required, therefore the sorbent must be capable of being regenerated and reused.
This presentation on the UKCCSRC Call 1 project, North Sea aquifer mapping, was presented at the Cambridge Biannual, 02.04.14. Grant number: UKCCSRC-C1-30.
This poster on the UKCCSRC Call 2 project, Towards more flexible power generation with CCS, was presented at the Cranfield Biannual, 21.04.15. Grant number: UKCCSRC-C2-214.