1 / 20

Thursday Morning, 1/10, CPE 2.220 Solvent Management

CO 2 Capture by Aqueous Absorption/Stripping Research Review Meeting The University of Texas at Austin with contributions from The University of Regina, Canada NTNU, Norway January 10-11, 2008 Austin, TX Introduction by Gary Rochelle gtr@che.utexas.edu. Thursday Morning, 1/10, CPE 2.220

mura
Télécharger la présentation

Thursday Morning, 1/10, CPE 2.220 Solvent Management

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. CO2 Capture byAqueous Absorption/StrippingResearch Review MeetingThe University of Texas at Austinwith contributions fromThe University of Regina, CanadaNTNU, NorwayJanuary 10-11, 2008Austin, TXIntroduction by Gary Rochellegtr@che.utexas.edu

  2. Thursday Morning, 1/10, CPE 2.220 Solvent Management

  3. Thursday Afternoon, 1/10 CPE 2.220 Thermodynamics and Solvent Development

  4. Friday Morning, 1/11, CPE 2.220Rates and Absorber Modeling

  5. Friday Afternoon, 1/11System ModelingSequestration

  6. Research Funding • Luminant Carbon Management Program ($750k/yr) • Luminant ($500k/yr), Alstom ($75k/yr) • IAP for CO2 Capture by Aqueous Abs ($300k/yr) • Strategic Partner for Pilot: LSPower ($100k/yr) (pending) • Other Sponsors in LCMP and IAP, $25k/yr each • Suppliers: B&W, Cansolv , IFP, MHI, Shell, URS, BP • Utilities: RWEnpower, E.ON, Southern • Other: AspenTech, Chevron, Huntsman, CSIRO, Siemens • Pending: Battelle • Grants and contracts • DOE - $1,565k – finished 8/07 • Industrial (Seibert) – 3+ months of pilot plant • Overhead on Industrial Contributions • Faculty Salary

  7. CO2 Capture – ChE - UT Austin Thermodynamics: VLE – (Hilliard), Nguyen Rate/VLEMeasurements: Packing Area – Tsai MEA/PZ, ROC16 – Dugas Solvent Management: OxidativeDegradation – Sexton Thermal Degradation – Davis Reclaiming – Xu ROC16 – Freeman MDEA/PZ – Closmann Modeling: Absorber – Plaza Stripper – Van Wagener MEA optimization/control – Ziaii

  8. Funded Collaborations • Capture Pilot Plant: Seibert • Third party testing (4 months) • Testing to support a field pilot (LSPower) • Packing Characterization • Center Int Energy & Env Policy: Webber • Offpeak operation – Cohen • Gulf Coast Carbon Center ($50k): Hovorka • Geologic Storage JIP ($50k): Bryant • Univ. of Regina ($?): Corrosion Veawab

  9. Recent Publications Quarterly Progress Reports DOE Final Report New Manuscripts Absorber Intercooling – Plaza (not submitted) Dissertations K+/PZ pilot plant – Chen Thermodynamics – Hilliard

  10. Activities at NTNU Department of Chemical Engineering and SINTEF Materials and Chemistry • Absorbent systems (amines, amino acids, carbonates, • precipitating systems) • Experimental screening (rate and capacity) • CO2 equil at absorption & desorption conds(several apparatuses) • VLE of unloaded systems(ebulliometer) • Kinetics (string of discs contactor) • N2O/CO2 solubility(Henry’s law constant) • Heat of absorption (differential in T, semi-differential in CO2 loading) • Density and viscosity of unloaded and loaded solutions • Ecotoxisity and bio-degradability • Degradation • Corrosion (starting) • Computational chemistry • Absorbent system pre-selection criterion • Evaluation of reaction mechanisms • Determination of chemical equilibrium constants

  11. Pilot plant studies • System operability and performance • Detailed studies of absorber, desorber, & reboiler • Energy requirements • Model validation • Simulation model development • Equilibrium models • Mass and heat transfer models • Process simulator • Packing characterization • Pressure drop and capacity • Liquid mal-distribution • Effective area and wetting, low liquid loads • Tracer studies

  12. Analytical methods • Methodologies for quantitative and qualitative detection of amines and degradation products. Combination of high (LC-TOF, LC-Q-TOF) and low (GC-MS, LC-MS, LC-MS-MS, LC-IonTrap) resolution chromatographic methods • Multivariate analysis(QSAR) for bio-degradation and ecotoxicity Membrane contactors Mass transfer measurements and modeling Effects of geometry, mixing Pilot studies

  13. NTNU Projects Norwegian: (RCN = Research Council of Norway) BIGCO2: Post- & pre-combustion, oxyfuel & storage (RCN & Ind) REACT: Reducing the environmental impact of acid gas control technologies (RCN and Ind) VOCC: Validation of CO2 Capture, packing material studies (RCN and Ind) VNC: Validation of New Chemicals (RCN and Ind) CCERT: Fundamental studies, post- and pre-combustion, and systems analysis(RCN and Ind) European CASTOR: CO2 Capture & Storage, post-combustion & storage ULCOS: Reducing CO2 emissions from steel-making, DYNAMIS: Pre-combustion CESAR: Post-combustion capture DECARBIT: Pre-combustion capture CAPRICE: Post-combustion pilot & model validation, collaboration with U. Regina

  14. CO2 Capture Research at University of Regina (under supervision of A. Veawab and A. Aroonwilas) • Mass-transfer characteristics of single & blended alkanolamines • Performance of high-efficiency gas-liquid contactors (structured packing and spray column) • CO2 absorption kinetics using wetted wall column • Modeling and process simulation of absorber and stripper • CFD-based model of absorber & regenerator design • Energy model for CO2 capture process • Integration of CO2 capture unit into power plant (Monte-Carlo simulation) • Measurement of reboiler heat duty using a small-scale CO2 stripping unit • Development of energy-efficient process configuration for CO2 capture • Corrosion in CO2-amine system • Development of low-toxic corrosion inhibitors • Environmental impact of CO2 capture technologies • Foaming in CO2-amine system

  15. Funding Agencies (under supervision of A. Veawab and A. Aroonwilas) • Natural Sciences and Engineering Research Council of Canada (NSERC) • Canada Foundation for Innovation (CFI)

More Related