Abstract
A techno-economic analysis was completed to compare the use of Hollow Fiber Membrane Modules (HFMM) with the more conventional structured packing columns as the absorber in amine-based CO2capture systems for power plants. In order to simulate the operation of industrial scale HFMMsystems, a two-dimensional model was developed and validated based on results of a laboratory scale HFMM. After successful experiments and validation of the model, a pilot scaleHFMMwas constructed and simulated with the same model. The results of the simulations, from both sizes of HFMM, were used to assess the feasibility of further up-scaling to a HFMM system to capture the CO2from an 800 MWe power plant. The system requirements – membrane fiber length, total contact surface area, and module volume – were determined from simulations and used for an economic comparison with structured packing columns. Results showed that a significant cost reduction of at least 50% is required to make HFMM competitive with structured packing columns. Several factors for the design of industrial scale HFMMrequire further investigation, such as the optimal aspect ratio (module length/diameter), membrane lifetime, and casing material and shape, in addition to the need to reduce the overall cost. However,HFMMwere also shown to have the advantages of having a higher contact surface area per unit volume and modular scale-up, key factors for applications requiring limited footprints or flexibility in configuration.
Highlights
The need to reduce the amount of CO2 that is emitted into the atmosphere is an issue that is being addressed globally
Specifications of the flue gas conditions, solvent conditions, and Hollow Fiber Membrane Modules (HFMM) designs for the two cases considered: with and without a direct contact cooler
Based on data from two experimental systems – a laboratory scale and a pilot scale – two membrane mass transfer coefficients resulted from the fit of the simulation results and the experimental data – the “ideal case” km and the “worse case” km’, respectively
Summary
989 > Post-Combustion CO2 Capture by Vacuum Swing Adsorption Using Zeolites – a Feasibility. 1035 > Hollow Fiber Membrane Contactors for Post-Combustion CO2 Capture: A Scale-Up Study from Laboratory to Pilot Plant Captage postcombustion du CO2 par des contacteurs membranaires de fibres creuses : de l’échelle laboratoire à l’échelle pilote industriel É. Erin Kimball1*, Adam Al-Azki, Adrien Gomez, Earl Goetheer, Nick Booth, Dick Adams and Daniel Ferre. Abstract — Hollow Fiber Membrane Contactors for CO2 Capture: Modeling and Up-Scaling to CO2 Capture for an 800 MWe Coal Power Station — A techno-economic analysis was completed to compare the use of Hollow Fiber Membrane Modules (HFMM) with the more conventional structured packing columns as the absorber in amine-based CO2 capture systems for power plants. Oil & Gas Science and Technology – Rev. IFP Energies nouvelles, Vol 69 (2014), No 6 and validated based on results of a laboratory scale HFMM. HFMM were shown to have the advantages of having a higher contact surface area per unit volume and modular scale-up, key factors for applications requiring limited footprints or flexibility in configuration
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