GEORGE K. XOMERITAKIS, Ph.D.

Wheeling, IL *****, USA

847-***-**** adgx05@r.postjobfree.com www.linkedin.com/in/george-k-xomeritakis/ CHEMICAL ENGINEER

R&D Chemical Engineer with years of demonstrated academic experience carrying out experimental projects focusing on membrane synthesis and separations and years of industrial experience on process modeling and simulation in Oil and Gas Industries. Open for R&D, Process or Project Engineer roles in Oil & Gas, Pharma, Food, Medical Device, Packaging and Semiconductor industries.

• Thin Film Manufacturing Technologies for Functional Membranes & Sensors

• Membrane-based Gas, Vapor and Liquid Phase Separation Processes

• Process Modeling and Simulation in Refining, Petrochemical and Gas Processing Industries WORK EXPERIENCE

UOP LLC, Des Plaines, IL September 2007 – April 2020 Senior R&D Process Modeling Specialist June 2010 – April 2020

• Developed chemical kinetics and reactor design models for a number of proprietary processes

• Developed custom reactor extensions for process simulation in UniSim Design flowsheets

• Maintained and enhanced the Gas Processing Simulation tools (Membranes, PSA)

• Contributed to development of major simulation tools in Aromatics, Naphtha, Hydroprocessing and Renewables technology domains

• Worked closely with internal technology development specialists to design and execute relevant pilot plant experimental runs for chemical kinetics model development

• Supported internal Technical Sales Engineers with process model software installation, distribution and licensing issues

• Mentored fellow junior Engineers in Des Plaines and Honeywell India Technology Center (HITC) Senior R&D Gas Processing Specialist September 2007 – June 2010

• Developed the UniSim Design Model of UOP SeparexTM Spiral Membrane for Acid Gas removal from Natural Gas

• Led Gas Processing engineers to execute the experimental laboratory and field testing program for membrane performance data acquisition and model development

• Supported internal technical Sales engineers to develop and refine proposals for customer offerings UNM Center for Microengineered Materials, Albuquerque, NM October 2000 - August 2007 Research Assistant Professor August 2004 – August 2007

• Led a 3-year DOE-funded experimental program to develop microporous, silica-based inorganic membranes for CO2 capture from coal-fired power plant flue gas

• Collaborated with scientists and engineers of Sandia National Laboratories on development of novel functional membranes for application in water desalination. Research Scientist October 2000 – July 2004

• Led multiple experimental membrane development projects focusing on CO2 separation (space flight, natural gas), chlorine purification and aromatic hydrocarbons isomer separation.

• Assisted in development of funding proposals submitted in industrial firms and government agencies ADDITIONAL RELEVANT EXPERIENCE

The University of Massachusetts, Amherst, MA

Postdoctoral Research Fellow, Department of Chemical Engineering The University of Cincinnati, Cincinnati OH

Graduate Research & Teaching Assistant, Department of Chemical Engineering GEORGE K. XOMERITAKIS, 847-***-****, adgx05@r.postjobfree.com TECHNICAL EXPERIENCE

• Chemical and Metalorganic Vapor Deposition (MOCVD) synthesis of ceramic and metal membranes

• RF Magnetron Sputtering synthesis of metal alloy membranes

• Sol-Gel Synthesis of Mesoporous and Microporous Films & Membranes

• Hydrothermal Synthesis of Zeolite Powders and Membranes

• Surfactant Templated Synthesis of Mesoporous Materials and Films

• Laboratory and field scale Membrane-based Gas, Vapor and Liquid Separation Processes

• Polymeric Cellulose Acetate Membrane Gas Permeation Modeling

• Membrane Permeator and Pressure Swing Adsorption Modeling and Simulation

• Membrane-based Natural Gas CO2 removal process design and simulation

• Chemical Reactor Design with detailed Chemical Kinetics and Thermodynamic Equilibrium

• Chemical Reactor Design with empirical conversion models in Hydroprocessing/renewables

• UniSim Design Process Simulation and Flowsheeting

• Numerical Analysis, ODE & PDE, Multi-variable Model Parameter Estimation

• Commercial Software (UniSim Design, Aspen Plus, Athena Visual Studio, CoilSim, ChemKin) EXPERIMENTAL & ANALYTICAL SKILLS

• Laboratory and pilot plant setup design, construction and operation

• Scanning & Transmission Electron Microscopy (SEM/TEM)

• X-Ray Diffraction (XRD)

• Small-angle X-Ray Scattering (SAXS)

• Gas Chromatography, UV-VIS & IR Spectroscopy

• Computer Data Acquisition

PROGRAMMING SKILLS

• Excel Visual Basic for Applications (VBA) programming and automation

• Intel Visual Fortran, IMSL

• Visual Basic 6, Visual Basic & C# .NET

• UniSim Design COM Automation and Extension Development

• Athena Visual Studio commercial mathematical package for process simulation EDUCATION

• Postdoctoral Research Fellowship, Chemical Engineering University of Massachusetts, Amherst, MA

• Doctor of Philosophy (Ph.D.), Chemical Engineering University of Cincinnati, Cincinnati, OH

• B.Sc., Chemical Engineering

National Technical University, Athens, Greece

PROFESSIONAL AFFILIATIONS

• American Institute of Chemical Engineers (A.I.Ch.E.)

• American Chemical Society (A.C.S.)

PATENTS

1. J.A. Tertel, A. Sattar, T.C. Bowen, G. Xomeritakis, Process and Apparatus for extracting Sulfur Compounds in a Hydrocarbon Stream, U.S. Patent 9,328,294, May 3, 2016, UOP LLC. PUBLICATIONS

1. Z. Chen, Y.B. Jiang, D.R. Dunphy, D.P. Adams, C. Hodges, N. Liu, N. Zhang, G. Xomeritakis, X. Jin, N.R. Aluru, S.J. Gaik, H.W. Hillhouse, C.J. Brinker, DNA translocations through an array of kinked nanopores, Nature Materials 9 (2010) 667-675.

2. G. Xomeritakis, C.Y. Tsai, Y.B. Jiang, C.J Brinker, Tubular ceramic supported sol gel silica membranes for flue gas carbon dioxide capture and sequestration, J. Membr. Sci. 341 (2009), 30-36 3. Y.B. Jiang, G. Xomeritakis, Z. Chen, D. Dunphy, D.J. Kissel, J.L. Cecchi, C.J. Brinker, Sub-10 nm thick microporous membranes made by plasma-defined atomic layer deposition of a bridged silsesquioxane precursor, J.Amer.Chem.Soc. 2007, 154**-*****. 4. G. Xomeritakis, N. Liu, Z. Chen, Y.-B. Jiang, R. Khn, P.E. Johnson, C.Y. Tsai, P.B. Shah, S. Khalil, S. Singh, C.J Brinker, Anodic alumina supported dual-layer microporous silica membrane, J. Membr. Sci. 287 (2007), 157-161.

5. G. Xomeritakis, C.Y. Tsai, C.J. Brinker, Microporous sol-gel derived aminosilicate membrane for enhanced CO2 separation, Separ. Purif. Technol. 42 (2005), 249-257. 6. G. Xomeritakis, C.M. Braunbarth, B. Smarsly, N. Liu, R. Koehn, Z. Klipowicz, C.J. Brinker, Aerosol- assisted deposition of surfactant-templated mesoporous silica membranes on porous ceramic supports, Microp.Mesop.Mater. 66 (2003) 91-101.

7. B. Smarsly, G. Xomeritakis, K. Yu, N. Liu, H. Fan, R.A. Assink, C.A. Drewien, W. Ruland, C.J. Brinker, Microstructural characterization of PS-b-PEO templated silica films with cubic-ordered spherical mesopores, Langmuir 19 (2003), 7295-7301. 8. G. Xomeritakis, S. Naik, C.M. Braunbarth, C.J. Cornelius, R. Pardey, C.J Brinker, Organic-templated silica membranes. I. Gas and vapor transport properties, J. Membr. Sci. 215 (2003), 225-233. 9. Y. Yang, Y. Lu, M. Lu, J. Huang, R. Haddad, G. Xomeritakis, N. Liu, A.P. Malanoski, D. Sturmayr, H. Fan, D.Y. Sasaki, R.A. Assink, J.A. Shelnutt, F. van Swol, G.P. Lopez, A.R. Burns, C.J. Brinker, Self- assembly of mesoscopically ordered chromatic polydiacetylene/silica nanocomposites using polymerizable surfactants as structure directing monomers, J. Amer. Chem. Soc. 125 (2003), 1269- 1277.

10. G. Xomeritakis, Z. Lai, M. Tsapatsis, Separation of xylene isomer vapors with oriented MFI membranes made by seeded growth, Ind. Eng. Chem. Res. 40 (2001), 544-552. 11. V. Nikolakis, G. Xomeritakis, A. Abibi, M. Dickson, M. Tsapatsis, D.G. Vlachos, Faujasite-type zeolite membrane and application in separation of close-boiling hydrocarbons, J. Membr. Sci. 184 (2001), 209-219.

12. G. Bonilla, M. Tsapatsis, D.G. Vlachos, G. Xomeritakis, Fluorescence confocal optical microscopy imaging of grain boundary structure of zeolite MFI membranes made by secondary (seeded) growth, J.Membr.Sci. 182 (2001), 103-109.

13. S. Nair, Z. Lai, V. Nikolakis, G. Xomeritakis, G. Bonilla, M. Tsapatsis, Separation of close-boiling hydrocarbon mixtures by MFI and FAU membranes made by secondary growth, Microp. &Mesop. Mater. 48 (2001), 219228.

14. M.P. Bernal, G. Xomeritakis, M. Tsapatsis, Tubular MFI zeolite membranes made by secondary

(seeded) growth, Catalysis Today 67 (2001), 101-107. 15. M. Tsapatsis, G.R. Gavalas, G. Xomeritakis, Chemical vapor deposition membranes, in "Recent Advances In Gas Separation by Microporous Ceramic Membranes", N.K. Kanellopoulos (Ed.), Elsevier, 2000, p. 397-416.

16. G. Xomeritakis, S. Nair, M. Tsapatsis, Transport properties of alumina-supported MFI membranes made by secondary (seeded) growth, Microp. & Mesop. Mater. 38 (2000), 61-73. 17. G. Xomeritakis, A. Gouzinis, S. Nair, T. Okubo, M. He, R. Overney and M. Tsapatsis, Growth, microstructure and permeation properties of supported zeolite (MFI) films and membranes prepared by secondary growth, Chem. Eng. Sci. 54 (1999), 3521-3531. 18. G. Xomeritakis, M. Tsapatsis, Permeation of aromatic isomer vapors through oriented MFI-type membranes made by secondary growth, Chem. Mater. 11 (1999), 875-878.\ 19. M. Tsapatsis, G. Xomeritakis, H.W. Hillhouse, S. Nair, V. Nikolakis, G. Bonilla, Z. Lai, Zeolite Membranes, Cattech 3 (1999), 148-163.

20. B. McCool, G. Xomeritakis, Y.S. Lin, A simple model for transient composition behavior of sputter deposited palladium-silver membranes, J. Membr. Sci. 161 (1999), 67-76. 21. G. Xomeritakis, Y.S. Lin, CVD Synthesis and gas permeation properties of thin palladium/alumina membranes, A.I.Ch.E. J., 44 (1998), 174-183.

22. G. Xomeritakis, Y.S. Lin, Fabrication of thin metallic membranes by MOCVD and sputtering, J. Membr. Sci. 133 (1997), 217-230.

23. G. Xomeritakis, J. Han, Y.S. Lin, Evolution of pore size distribution and average pore size of porous ceramic membranes during modification by counter-diffusion chemical vapor deposition, J. Membr. Sci. 124 (1997), 27-42.

24. J. Han, G. Xomeritakis, Y.S. Lin, Oxygen permeation through thin zirconia/yttria membranes prepared by EVD, Solid State Ionics 93 (1997), 263-272.

25. J. Han, Y. Zeng, G. Xomeritakis, Y.S. Lin, EVD synthesis and oxygen permeation properties of dense zirconia-yttria-ceria membranes, Solid State Ionics 98 (1997), 63-72. 26. G. Xomeritakis, Y.S. Lin, Fabrication of a thin palladium membrane supported in a porous ceramic substrate by chemical vapor deposition, J. Membr. Sci. 120 (1996), 261-272. 27. G. Xomeritakis, S. Pratsinis, Y.S. Lin, Analysis of ceramic membrane modification by CVD, J. Chem. Vapor Depos. 4 (1996), 173-196.

28. G. Xomeritakis, G. Lipscomb, Analysis of mass transfer in composite materials with irregular interfaces, J. Membr. Sci. 103 (1995), 1-10.

29. G. Xomeritakis, Y.S. Lin, CVD of solid oxides in porous media for ceramic membrane preparation or modification. Explicit solutions for deposition characteristics, Chem. Eng. Sci. 49 (1994), 3909-3922. 30. G. Xomeritakis, Y.S. Lin, Chemical vapor deposition of solid oxides in porous media for ceramic membrane preparation. Comparison of experimental results with semianalytical solutions, Ind. & Eng. Chem. Res. 33 (1994), 2607-2617.

CONFERENCE PRESENTATIONS

1. G. Xomeritakis, C.Y. Tsai, C.J. Brinker, Dual-functional, sol-gel derived aminosilicate membrane for enhanced CO2 separation, oral presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), Austin, TX, November 2004. 2. G. Xomeritakis, N. Liu, R. Khn, C.J. Brinker, Highly processible, cubic-ordered mesoporous silica films and membranes, poster presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), Austin, TX, November 2004.

3. G. De, R. Khn, G. Xomeritakis, C.J. Brinker, Nanocrystalline mesoporous tin dioxide thin films by sol- gel deposition for sensing applications, oral presentation at the 4th International Mesostructured Materials Symposium, Cape Town, South Africa, May 1-4, 2004. 4. C.Y. Tsai, G. Xomeritakis, C.J. Brinker, T. Nalette, C. Thibaud-Erkey, Metabolic CO2 removal using aminefunctional silica membrane, oral presentation at NASA Habitation Conference, Orlando, FL, January 4-7, 2004.

5. G. Xomeritakis, C.Y. Tsai, K. Yu, B. Smarsly, N. Liu, R. Khn, C.J. Brinker, Microstructural and separation properties of inorganic molecular sieve silica membranes, poster presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), San Francisco, CA, November 2003.

6. V. Nikolakis, G. Xomeritakis, M. Tsapatsis, D.G. Vlachos, Separation of saturated/ unsaturated hydrocarbon mixtures using a faujasite membrane, oral presentation at the 4th National Chemical Engineering Conference, University of Patras, Greece, May 29-31, 2003. 7. G. Xomeritakis, S. Naik, C.Y. Tsai, Y. Lu, C.M. Braunbarth, C.J. Brinker, Templating strategies for inorganic molecular sieve silica membranes, oral presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), Indianapolis, IN, November 2002. 8. G. Xomeritakis, Z. Lai, M. Tsapatsis, Separation of xylene isomers by MFI membranes made by seeded growth; Effect of membrane microstructure, oral presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), Los Angeles, CA, November 2000. 9. V. Nikolakis, G. Xomeritakis, D.G. Vlachos, M. Tsapatsis, Development of a new aluminosilicate zeolite membrane and its application to hydrocarbon isomer Separation, oral presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), Los Angeles, CA, November 2000.

10. G. Xomeritakis, E. Kokkoli, V. Nikolakis, G. Bonilla, S. Nair, A. Gouzinis, D.G. Vlachos, S. Auerbach, M. Tsapatsis, MFI membranes made by secondary (seeded) growth: Processing, growth mechanism, microstructure and separation properties, presented at the International Symposium on Zeolites and Microporous crystals (ZMPC 2000), Sendai, Japan, August 2000. 11. G. Xomeritakis, S. Nair, M. Tsapatsis, Separation of xylene isomers by MFI membranes made by seeded growth, oral presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), Dallas, TX, November 1999.

12. G. Xomeritakis, A. Gouzinis, M. Tsapatsis, Morphology and permeance of oriented MFI-type membranes, oral presentation at the Annual Meeting of the Americal Institute of Chemical Engineers

(AIChE), Miami, FL, November 1998.

13. G. Xomeritakis, S. Nair, M. Tsapatsis, Synthesis and permeation properties of ceramic-supported oriented MFI-type membranes, oral presentation at the New England Catalysis Society Symposium, Worcester, MA, October 31 1998.

14. A Gouzinis, L.C. Boudreau, G. Xomeritakis, M. Tsapatsis, On the role of renucleation and crystal incorporation during secondary growth of precursor (seed) zeolite layers, presented at the 12th International Zeolite Conference, Baltimore, MD, July 1998. 15. B. McCool, G. Xomeritakis, Y.S. Lin, CVD/Sputter deposition synthesis and properties of ultrathin metallic membranes, oral presentation at the 5th International Conference on Inorganic Membranes

(ICIM5), Nagoya, Japan, June 1998.

16. G. Xomeritakis, Y.S. Lin, CVD Synthesis and gas permeation properties of thin palladium membranes, oral presentation at the Annual Meeting of the Americal Institute of Chemical Engineers

(AIChE), Los Angeles, CA, November 1997.

17. G. Xomeritakis, Y.S. Lin, Fabrication of thin palladium membranes by Chemical Vapor Deposition, oral presentation at the 14th International Conference on CVD and EUROCVD-11, sponsored by the Electrochemical Society, Paris, September 1997.

18. G. Xomeritakis, Y.S. Lin, Fabrication of thin metallic membranes by CVD and Sputtering, poster presentation at the Annual Meeting of the Americal Institute of Chemical Engineers (AIChE), Chicago, IL, November 1996.

19. G. Xomeritakis, Y.S. Lin, Fabrication of ceramic-supported metallic membranes by counter-diffusion Chemical Vapor Deposition, oral presentation at the 4th International Conference on Inorganic Membranes (ICIM4), Gatlinburg, TN, July 1996.

20. G. Xomeritakis, Y.S. Lin, Modeling of metallorganic CVD for ceramic membrane modification, poster presentation at the 4th International Conference on Inorganic Membranes (ICIM4), Gatlinburg, TN, July 1996.

21. G. Xomeritakis, Y.S. Lin, Counter-diffusion CVD in porous media for ceramic membrane preparation or modification, oral presentation at the 3rd International Conference on Inorganic Membranes

(ICIM3), Worcester, MA, July 1994.

22. G. Xomeritakis, G. Lipscomb, Analysis of mass transfer in composite membranes, poster presentation at the Annual Meeting of the North American Membrane Society (NAMS), Lexington, KY, May 1992.

LIST OF INDUSTRIAL & ACADEMIC PROJECT EXPERIENCE

UOP LLC, 2007-2020

• SeparexTM Spiral-Wound Membrane Permeator Fortran Model Development

• Benfield Design Excel Application Development

• Hydrogen Pressure Swing Adsorption (PSA) Simulator Enhancement and Maintenance

• Renewable Diesel and Jet Yield Estimation Excel Application Development

• VGO FCC/Hydrocracker Pretreat Empirical Model Development

• Chemical Kinetics & Reactor Design Model Development o High-temperature Gas-to-Chemicals (GtC) Conversion o Vapor Phase IsomarTM Ethylbenzene Dealkylation

o Vapor Phase IsomarTM Ethylbenzene Isomerization

o Liquid Phase IsomarTM Xylene Isomerization

o On-Purpose Butadiene (Partial Oxidation of Butenes) o Methanol-To-Olefins (MTO) Reactor & Regenerator

o IsoAlkyTM Process

• UniSim Design Process Simulation Software Extension Development o UOPMemSim (SeparexTM)

o MaxEneTM Unit

o Naphtha Pyrolysis Reactor (CoilSim)

o EtherMaxTM Reactor

o IsomarTM Reactor

o On-Purpose Butadiene Reactor

o IsoAlkyTM Reactor

• Refinery-wide process simulation flowsheets and Yield Estimation tools o Aromatics Complex Yield Estimation System (ACYE) o Naphtha Complex integrated with Pyrolysis (NCYE) o Hydroprocessing Yield Estimation System (HPYE)

Center for Microengineered Materials, University of New Mexico, 2000-2007

• Novel dual-functional membrane for controlling carbon dioxide emissions from coal-fired power plant flue gas

• Functional mesoporous silica membranes for water purification and desalination

• Advanced CO2 removal system using amine-functional membrane in space flight

• Technologies for application in filtration and separation media development and manufacturing

• Organic-templated silica membranes for chlorine purification and aromatic hydrocarbon isomer separation

• Characterization of transport properties of novel nanocomposite films and membranes

• Characterization of gas sensing properties of novel PdO activated SnO2 thin film sensors

• Project funding from: DOE/NETL, Sandia National Labs, NASA, by Pall Corporation, PPG Industries, DOE BES, AFOSR, MURI, DARPA

Department of Chemical Engineering, University of Massachusetts, 1997-2000

• Zeolite MFI-based molecular sieve thin films and membranes for aromatic hydrocarbon (xylene) isomer separation (funded by NSF and Amoco Corporation)

• Pervaporation separation of ethanol-water mixtures by novel ETS-4 titanosilicate membranes

• Faujasite-type zeolite membranes for separation of close-boiling hydrocarbons Department of Chemical Engineering, University of Cincinnati, 1991-1997

• Hydrogen semipermeable Palladium-based dense metallic membranes made by Chemical & Metalorganic Vapor Deposition (MOCVD) and RF Magnetron Sputtering (funded by NSF, ACS and PRF)

• Oxygen semipermeable Zirconia-based dense ceramic membranes made by Chemical Vapor Deposition (CVD)

• Fabrication of macroporous and mesoporous ceramic supports and intermediate layers by powder press/sintering and sol-gel methods.

Department of Chemical Engineering, National Technical University of Athens, 1989-1990

• Development of gas-liquid oxidative absorption process for removal of hydrogen sulfide from lignite gasification product. (B.Sc. graduation thesis funded by Public Electric Power Corporation of Greece).

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