Advanced Membrane Operations in CO2 Capture
May 22-26, 2017
Membrane-based gas separation systems are today widely accepted and, in many cases, used as a unit operation for generation, separation and purification of gases in gas, chemical, petroleum and allied industries. There are several applications of membrane gas separation and several membrane materials and membrane modules solutions available today for the various fields of interest. CO2 separation from flue gas coming out from a power plant or a cement industry, as well as CO2 from biogas and natural gas is one of these fields. Polymeric membranes, thermally rearranged polymer membranes, mixed matrix membranes, etc. are some examples of membranes investigated c/o the ITM-CNR for separating gases, such as, CO2, CH4, etc. of interest for many industrial cycles. The mass transport properties of these membranes were analyzed feeding gas streams, with different content of water vapor and other aggressive components; these being one of the crucial assets for moving towards to real applications [1,2]. Other aspects, such as aging owing to water vapor, physical compaction, thermal cycles and contaminants were and are currently under investigation, also with long term characterizations . To this purpose, together with material science, membrane engineering covers a fundamental role in the development of this technology and its scale-up. Modelling assists experimental analysis for a unified approach in advanced membrane unit operations. In this logic, a tool was developed in terms of performance maps suitable for analyzing also membrane-integrated systems identifying proper operating conditions and proposing possible process schemes for achieving the desired targets for the various streams of interest [4,5]. Among the main results achieved, there are the mass transport characterization of membranes, membrane properties restoring after long-time operation, modelling of the membrane gas separation as unit operation and its inclusion in more complex production cycles. 1. Cersosimo, A. Brunetti, E. Drioli, G. Dong, K. T. Woo, J. Lee, Y. M. Lee, G. Barbieri, “Separation of CO2 from humidified ternary gas mixtures using thermally rearranged polymeric membranes”, J. Membr. Sci., 2015 (492), 257-262. DOI: 10.1016/j.memsci.2015.05.072 2. Brunetti A.; Cersosimo M.; Kim J.S.; Dong G.; Fontananova E.; Lee Y.M.; Drioli E.; Barbieri G. “Thermally rearranged mixed matrix membranes incorporating oxidized carbon nanotubes for CO2 separation”, International Journal of Greenhouse Gas Control 2017, submitted 3. Brunetti A.; Cersosimo M.; Dong G.; Woo K.T.; Lee J.; Kim J.S.; Lee Y.M.; Drioli E.; Barbieri G. “In situ restoring of aged thermally rearranged gas separation membranes”, J. Membr. Sci., 2016, 520, 671-678, DOI: 10.1016/j.memsci.2016.07.030 4. Brunetti A.; Drioli E.; Lee Y.M.; Barbieri G.; “Engineering evaluation of CO2 separation by membrane gas separation systems”, J. Membr. Sci., 2014, 454, 305-315; DOI: 10.1016/j.memsci.2013.12.037 5. Brunetti A.; Scura F.; Barbieri G.; Drioli E.; "Membrane technologies for CO2 separation”, J. Membr. Sci., 2010, 359, 115-125; DOI: 10.1016/j.memsci.2009.11.040 ACKNOWLEDGEMENTS The “Ministero degli Affari Esteri, Direzione Generale per la Promozione e la Cooperazione Culturale” of Italy is gratefully acknowledged for the financial support of project “New highly innovative membrane operations for CO2 separation (capture) at medium and high temperature: Experimental preparation and characterization, theoretical study on elementary transport mechanisms and separation design” co-funded in the framework of a bilateral agreement between MAECI (Italy) and MOST (South Korea). The “Ministero per l’Istruzione, l’Università e la Ricerca” of Italy, Ricerca e competitività 2007-2013, is gratefully acknowledged for the financial support of the project PON 01_02257 “FotoRiduCO2 - Photoconversion of CO2 to methanol fuel”, (“Studio e sperimentazione di sistemi di foto conversione con luce solare di CO2 in metanolo, da utilizzare come combustibile”).
Giuseppe Barbieri, "Advanced Membrane Operations in CO2 Capture" in "CO2 Summit III: Pathways to Carbon Capture, Utilization, and Storage Deployment", Jen Wilcox (Colorado School of Mines, USA) Holly Krutka (Tri-State Generation and Transmission Association, USA) Simona Liguori (Colorado School of Mines, USA) Niall Mac Dowell (Imperial College, United Kingdom) Eds, ECI Symposium Series, (2017). http://dc.engconfintl.org/co2_summit3/38
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