Abdul’Aziz A. Aliyu*, Maria E. Diego, K. N. Finney, M. Akram, K. J. Hughes, L. Ma, D. B. Ingham, M. Pourkashanian
Energy 2050, Faculty of Engineering, University of Sheffield, Sheffield, S10 2TN, United Kingdom
Contact detail: [email protected]
Introduction:
CCS is slated to play 12%role in decarbonizing theelectricity sector accordingto IEA
Post Combustion CO2capture is poised to bethe first generation CCStechnology in the energysector
Parametric study of the Amine Capture Plant system based on varying MEA concentrations
Studying the influence ofpacking type (random vsstructured) on theperformance of absorberand stripper reactors
Main Research Objectives
• Investigating how different MEA concentrations (30wt.% and 40wt.%) affect the performances of Amine Capture Plants
• Appraising the performance of Amine Capture Plant system with Random vs structured packing types
• Optimization of the process conditions above that yield the least Specific Reboiler Duty on gCCS.
Methodology (Experimental)
Sampling/FTIR Sampling/FTIR
Solvent measurement
5 gas sampling points
Rich/lean sampling
Methodology (Process simulation)
Main expected conclusions
Acknowledgement:
Opening results
Micro gas turbine Amine Capture Plant
30wt. % vs 40wt. % MEA
Reduction in energypenalty imposed on thepower plant due tointegration with CCS plant
The CO2 absorption/desorption
process was modelled using
gCCS v1.1.0 (Process Systems
Enterprise) with 30wt.% MEA as
the base case solvent
• Reduction in the Specific Reboiler Duty with higher MEA concentrationin the solvent. This is due to a decreased in the required solvent mass flowrate, which reduces consumption in the Reboiler.
• Increased corrosion from higher MEA concentration is expected.
• Improved column performance with structured vs random packing, whichgives better liquid-gas contact and lower pressure drop thus reducing theenergy penalty in Amine Capture Plant systems.
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