Mineralisation - Carbon Capture and Storage by Mineralisation Stage Gate 1 Report
Abstract:
The current prime path solution for large-scale energy-intensive processes emitting >1Mt CO2 per year is geologic sequestration. Geologic sequestration is a less economically viable option for smaller lone emitters, who are located remotely from geological storage sites, due to the high CO2 handling and transportation costs. There are currently no commercialized processes that specifically address this technology gap. Carbon capture and sequestration by mineralization has been demonstrated in various forms on laboratory and pilot scales, with CO2 capture efficiencies of up to 90% using naturally occurring minerals high in magnesium, such as serpentine. The UK reserve of readily accessible serpentine is 2-10Gt, 2-10 times the amount required to sequester 2% of UK CO2 emissions for 100 years. These reserves are typicallylocated within 2km of the coast, enabling cost-effective mass transport via ship to small and medium power stations and industrial emitters that are located in close proximity to the coast. The emissions from the (75) UK industrial emitters (<1.0Mt CO2) totals 24Mt CO2, and roughly, half of those are coastally located. Implementing CCSM at those coastal sites will meet the project target of capturing 11Mt CO2/year. The cost of CCSM ranges from £85-254/tonne CO2 avoided operating costs, with potential opportunity to decrease cost by £30/tonne or more by direct flue gas capture, process optimisation, and system integration at each site. To achieve this goal further experimentation is required to validate suitability of UK rock resources, direct CO2 capture from flue gas on UK minerals, optimization of CCSM process fundamentals and system integration at each site. CCSM has the potential to become an economically viable alternative to capture and store CO2 from small and medium emitters.
Publication Year:
2011
Publisher:
ETI
Author(s):
Zimmermann, A., Styles, M.T., Lacinska, A.M., Zemskova, S., Sanna, A., Hall, M., Verduyn, M., Songok, J. and Zevenhoven, R.
Energy Category
Language:
English
File Type:
application/pdf
File Size:
19060790 B
Rights:
Energy Technologies Institute Open Licence for Materials
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Further information:
N/A
Region:
United Kingdom
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