George Bollas Publications

 

Peer-Reviewed Publications (in reverse chronological order, H-Index: 16):

University of Connecticut

Manuscripts Published or in Press

  1. Baillie B, Bollas, GM. Development, Validation, and assessment of a high fidelity chilled water plant model. Appl. Thermal Eng. 2016; accepted.
  2. Han L, Bollas GM. Dynamic optimization of fixed bed chemical-looping combustion systems integrated in thermal power plants. IFAC Papers Online. 2016;49(7):115-20.
  3. Palmer KA, Hale WT, Bollas GM. Built-in Test Design for Fault Detection and Isolation in an Aircraft Environmental Control System, IFAC Papers Online. 2016;49(7):7-12.
  4. Gamliel DP, Bollas GM, Valla JA. Bifunctional Ni-ZSM-5 Catalysts for the Pyrolysis and Hydropyrolysis of Biomass. Energy Technol. 2016; in press – DOI: 10.1002/ente.201600136 (journal cover page article).
  5. Du S, Valla JA, Parnas RS, Bollas GM. Conversion of polyethylene terephthalate- (PET-) based waste carpet to benzene-rich oils through pyrolysis. ACS Sustain Chem Eng. 2016;4(5):2852-60.
  6. Chen C, Han L, Bollas GM. Dynamic simulation of fixed bed chemical looping combustion reactors integrated in combined cycle power plants. Energy Technol. 2016; in press – DOI: 10.1002/ente.201600079.
  7. Han L, Zhou Z, Bollas GM. Model-based analysis of chemical-looping combustion experiments. Part II: Optimal design of reduction experiments. AIChE J. 2016;62(7):2419-31.
  8. Han L, Zhou Z, Bollas GM. Model-based analysis of chemical-looping combustion experiments. Part I: Structural identifiability of kinetic models. AIChE J. 2016;62(7):2432-46.
  9. Han L and Bollas GM. Chemical-looping combustion in a reverse-flow fixed bed reactor, Energy. 2016;102:669-81.
  10. Han L and Bollas GM. Dynamic optimization of fixed bed chemical-looping combustion processes, Energy. 2016;112:1107-19.
  11. Palmer KA, Hale WT, Bollas GM. Optimal Design of tests for heat exchanger fouling identification, Appl. Thermal Eng. 2016;95:382-93.
  12. Nordness O, Han L, Zhou Z, Bollas GM. High-pressure chemical-looping of methane and synthesis gas with Ni and Cu oxygen carriers, Energy & Fuels. 2016;30(1):504-14.
  13. Du S, Gamliel DP, Giotto MV, Valla JA, Bollas GM. Coke formation mechanisms of model compounds relevant to pyrolysis bio-oil over ZSM-5. Appl. Catal. A General. 2016; 513:67-81
  14. Zhou Z, Han L, Nordness O, Bollas GM. Continuous regime of chemical looping combustion (CLC) and chemical-looping with oxygen uncoupling (CLOU) reactivity of CuO oxygen carriers. Appl Catal B Environ. 2015;166-167:132-44.
  15. Zhou Z, Han L, Bollas GM. Model-assisted analysis of fluidized bed chemical-looping reactors. Chem. Eng. Sci. 2015;134:619-631.
  16. Gamliel DP, Du S, Bollas GM, Valla JA. Investigation of in-situ and ex-situ catalytic pyrolysis of miscanthus x giganteus using a PyGC-MS microsystem and comparison with a bench-scale spouted-bed reactor. Bioresour Technol. 2015;191:197-96.
  17. Fischer A, Du S, Valla JA, Bollas GM. The effect of temperature, heating rate, and ZSM-5 catalyst on the product selectivity of the fast pyrolysis of Spent Coffee Grounds, RSC Adv. 2015; 5, 29252–61.
  18. Du S, Sun Y, Gamliel DP, Valla JA, Bollas GM. Catalytic pyrolysis of miscanthus × giganteus in a spouted bed reactor. Bioresour Technol. 2014;169:188-97.
  19. Zhou Z, Han L, Bollas GM. Kinetics of NiO reduction by H2 and Ni oxidation at conditions relevant to chemical-looping combustion and reforming. Int J Hydrogen Energy. 2014;39: 8535-56.
  20. Han L, Zhou Z, Bollas GM. Heterogeneous Modeling of Chemical-Looping Combustion. Part 2: Particle Model. Chem Eng Sci. 2014;113:116-28
  21. Zhou Z, Han L, Bollas GM. Overview of Chemical-Looping Reduction in Fixed Bed and Fluidized Bed Reactors Focused on Oxygen Carrier Utilization and Reactor Efficiency. Aerosol Air Qual Res. 2014;14:559-71
  22. Noshadi I, Kanjilal B, Du S, Bollas GM, Suib SL, Provatas A, Liu F, Parnas RS. Catalyzed production of biodiesel and bio-chemicals from brown grease using Ionic Liquid functionalized ordered mesoporous polymer. Appl Energy. 2014;129:112-22
  23. Zhou Z, Han L, Bollas GM. Model-based Analysis of Bench-Scale Fixed-Bed Units for Chemical-Looping Combustion. Chem Eng J. 2013;233:331-48
  24. Han L, Zhou Z, Bollas GM. Heterogeneous Modeling of Chemical-Looping Combustion. Part 1: Reactor Model. Chem Eng Sci. 2013;18:233-49
  25. Du S, Valla JA, Bollas GM. Characteristics and Origin of Char and Coke from Fast and Slow, Catalytic and Thermal Pyrolysis of Biomass and Relevant Model Compounds. Green Chem. 2013;15(11):3214-29

Conference Proceedings and Presentations (in reverse chronological order):

University of Connecticut

2016

  1. Yang X, Rathmell A, Preda DV, Joshi PB, Bollas GM. Design and economics of a novel process for the extraction of rare earth elements from coal ash. In: 2016 AIChE Annual Meeting, San Francisco, CA, USA, 2016.
  2. Chen C, Han L, Bollas GM. Performance Analysis of Chemical-looping Fixed Bed Reactors integrated in Combined Cycle Power Plants. In: 2016 AIChE Annual Meeting, San Francisco, CA, USA, 2016.
  3. Chen C, Bollas GM. Real-time Dynamic Efficiency Optimization of Coal-fired Steam Power Plants. In: 2016 AIChE Annual Meeting, San Francisco, CA, USA, 2016.
  4. Palmer KA, Hale WT, Bollas GM. Active Fault Detection and Isolation and False Alarm Elimination by Constrained Optimization of Built-In and Maintenance Test Conditions. In: 2016 AIChE Annual Meeting, San Francisco, CA, USA, 2016.
  5. Gamliel DP, Zhu C, Valla JA, Bollas GM. Gasoline-Selective Fischer-Tropsch Synthesis with Hierarchical ZSM-5 Coated Monolith Catalysts. . In: 2016 AIChE Annual Meeting, San Francisco, CA, USA, 2016.
  6. Zhu C, Paluch A, Bollas GM. Fischer-Tropsch synthesis targeted to gasoline-range hydrocarbons. In: 252nd American Chemical Society National Meeting & Exposition, Philadelphia, PA, USA, 2016.
  7. Zhu C, Han L, Bollas GM. Experimental validation of a reverse-flow chemical looping combustion reactor for power generation from gaseous fuels. In: 4th International Conference on Chemical Looping, Nanjing, China, 2016.
  8. Chen C, Bollas GM. A Systems Engineering approach to CO2 mitigation in Combined Cycle Power Plants. In: 4th International Conference on Chemical Looping, Nanjing, China, 2016.
  9. Chen C, Bollas GM. Optimization of efficiency, stability and operability of power plant using a model-based approach. In: 41st International Technical Conference on Clean Coal and Fuel Systems, Clearwater, FL, USA, 2016.
  10. Han L, Bollas GM. A model-based framework for dynamic optimization in power generation systems. In: 11th IFAC Symposium on Dynamics and Control of Process Systems, including Biosystems (DYCOPS-CAB 2016), Trondheim, Norway, 2016.
  11. Palmer KA, Hale WT, Han L, Jacobson CA, Bollas GM. Built-in Test Design for Fault Detection and Isolation in an Aircraft Environmental Control System. In: 11th IFAC Symposium on Dynamics and Control of Process Systems, including Biosystems (DYCOPS-CAB 2016), Trondheim, Norway, 2016.

2015

  1. Du S, Gamliel D, Valla J, Bollas GM. Rule-based and experiment-coordinated reaction network generation and analysis of coking in catalytic pyrolysis of bio-oil relevant model compounds. In 2015 PacifiChem, Hawaii, USA, 2015.
  2. Palmer C, Han L, Bollas GM. Analysis of a Simulated Moving Bed Configuration for Chemical-Looping Combustion. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015.
  3. Chen C, Such KD, Zhou Z, Lou X, Yang S, Akinjiola O, NeuschaeferC. Bollas GM. Dynamic Modeling of Steam Thermal Power Plants for Real-Time Optimization. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015.
  4. Han L, Chen C, Zhou Z, Bollas GM. Optimization of Chemical-Looping Combustion Fixed-Bed Reactors in Natural Gas-Fired Combined Cycle Power Plants. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015.
  5. Han L, Chen C, Such KD, Zhou Z, Bollas GM. Dynamic Simulation of a Natural Gas-Fired Combined Cycle Power Plant Integrated with Chemical-Looping Combustion. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015.
  6. Pradhan S, Du S, Bollas GM. Computationally-Accelerated Rule-Based Chemical Reaction Network Generation in Modeling Coke Formation during Biomass Catalytic Pyrolysis for Novel Catalyst Development. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015.
  7. Sun Y, Du S, Zhu C, Bollas GM. Synthesis of Zeolitic Enwrapped Catalysts By Chemical Vapor Deposition. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015.
  8. Such KD, Chen C, Han L, Bollas GM. Combined Cycle Power Plants with Chemical Looping Combustion. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015.
  9. Palmer KA, Hale WT, Bollas GM. Plate-Fin Heat Exchanger Fouling Identification using D-Optimal Experimental Design. In: Heat Exchanger Fouling and Cleaning XI, Enfield, Ireland, 2015.
  10. Baillie B, Bollas GM. Development, Validation, and Assessment of a High-Fidelity Chilled Water Plant Model. In: 2015 North America Modelica Users’ Group Meeting, Storrs, CT, 2015.
  11. Palmer K, Magnusson F, Hale W, Bollas GM. Dynamic parametric sensitivity optimization using simultaneous discretization in Jmodelica.org. In: 2015 North America Modelica Users’ Group Meeting, Storrs, CT, 2015
  12. Magnusson F, Palmer K, Hale W, Han L, Bollas GM. Dynamic parametric sensitivity optimization using simultaneous discretization in Jmodelica.org. In: 1st International Conference on Complex Systems Engineering, Storrs, CT, 2015
  13. Hale W, Palmer K, Bollas GM. Built-In Tests for Thermal Fluid Systems of Aerospace Applications. In: 2015 AIChE Annual Meeting, Salt Lake City, UT, USA, 2015
  14. Du S, Gamliel DP, Valla JA, Bollas GM, Mechanistic insight into coke formation by catalytic pyrolysis of biomass pyrolysis relevant model compounds. In: Abstract of Papers of the American Chemical Society, 250th ACS National Meeting & Exposition, Boston, MA, USA, 2015.
  15. Han L, Zhou Z, Bollas GM, Model-based design of chemical-looping experiments for kinetic validation. In: Abstract of Papers of the American Chemical Society, 250th ACS National Meeting & Exposition, Boston, MA, USA, 2015.
  16. Chen C, Han L, Such KD, Zhou Z, Bollas GM, Dynamic simulation of chemical-looping systems integrated in steam power plants. In: 40th International Technical Conference on Clean Coal and Fuel Systems, Clearwater, FL, USA, 2015.
  17. Zhou Z, Chen C, Bollas GM, Lou X, Yang S, Akinjiola O, Joshi A, Neuschaefer CH. Dynamic Simulation and Real-Time Optimization of Steam Power Plants using an Object-Oriented Language. In: 58th Annual ISA Power Industry Division Symposium, Kansas City, MI, USA, 2015.
  18. Palmer KA, Hale WT, Bollas GM. Plate-Fin Heat Exchanger Fouling Identification using D-Optimal Experimental Design. In: Heat Exchanger Fouling and Cleaning XI, Enfield, Ireland, 2015
  19. Gamliel D, Du S, Bollas GM, Valla JA. Optimizing upgrading configuration and catalyst pore structure for biomass CFP. In: New England Catalysis Society Meeting, Worchester, MA, USA, 2015.

2014

  1. Dahl M, Gamliel D, Du S, Bollas GM, Valla JA. Introduction of mesoporosity in ZSM-5 and Zeolite Y to reduce coke production from hydrocarbons. In: 8th International Conference of Environmental Catalysis, Ashville, NC, USA 2014
  2. Han L, Zhou Z, Bollas GM. Design and Performance of a Novel Reverse-Flow Fixed-Bed Reactor for Chemical-Looping Combustion. In: AIChE Annual Meeting. Atlanta, GA, USA; 2014.
  3. Han L, Zhou Z, Bollas GM. Model-Based Design of Experiments to Achieve Kinetic Validation for Chemical-Looping Systems, Best Presentation Award of the Modeling and Analysis of Chemical Reactors Session. In: AIChE Annual Meeting. Atlanta, GA, USA; 2014.
  4. Fischer A, Du S, Bollas GM. Conversion of Caffeine, Lipids, and Fatty Acids in Catalytic Fast-Pyrolysis of Spent Coffee Grounds. In: AIChE Annual Meeting. Atlanta, GA, USA; 2014.
  5. Nordness O, Zhou Z, Bollas GM. Feasibility of Integration of Chemical Looping Combustion (CLC) in IGCC Systems: High Pressure CLC Experiments with CH4 and Syngas. In: AIChE Annual Meeting. Atlanta, GA, USA; 2014.
  6. Du S, Gamliel DP, Valla J, Bollas GM. Catalytic Pyrolysis of Char and Coke Precursors: An Investigation of the Formation Mechanisms of Char and Coke. In: AIChE Annual Meeting. Atlanta, GA, USA; 2014.
  7. Gamliel DP, Du S, Bollas GM, Valla J. A Fundamental Study of the Reaction and Diffusion of Poly-Aromatic Hydrocarbons in Hierarchical Pore Structure Zeolites. In: AIChE Annual Meeting. Atlanta, GA, USA; 2014.
  8. Zhou Z, Nordness O, Han L, Bollas GM. Continuous Regime of CLC/CLOU Reactivity and Its Impact on the Dynamic and Steady State Performance of CuxOy Oxygen Carriers. In: AIChE Annual Meeting. Atlanta, GA, USA; 2014.
  9. Fischer A, Bollas GM. Thermochemical CO2 and H2O Splitting via Chemical-Looping with Cerium and Cobalt Mixed Oxides to Generate Oxygen for Manned Space Missions. In 2014 AIChE Annual Meeting; Atlanta, GA, USA; 2014.
  10. Nordness O, Zhou Z, Bollas GM. Incorporation of High Pressure CLC into IGCC Systems for Carbon Capture. In: 2014 AIChE Annual Meeting; Atlanta, GA, USA; 2014.
  11. Palmer C, Han L, Bollas GM. Reactor Design and Analysis of a Simulated Moving Bed Reactor for Chemical-Looping Combustion. In: 2014 AIChE Annual Meeting; Atlanta, GA, USA; 2014.
  12. Han L, Zhou Z, Bollas GM. Novel reactor concepts for chemical-looping combustion, In: 3rd International Conference on Chemical Looping Combustion, Chalmers University, Gothenburg, Sweden, 2014.
  13. Gamliel D, Dahl M, Du S, Bollas GM. Valla, JA Catalytic reaction of aromatic hydrocarbons using hierarchical pore structure zeolites. In: Abstract of Papers of the American Chemical Society, 247th ACS National Meeting & Exposition, Dallas, TX, USA, 2014

2013

  1. Han L, Zhou Z, Bollas, GM. Optimal Experiments of Chemical-Looping Combustion in Fixed and Fluidized Beds, Invited Lecture Sponsored by the NSF. In: 9th World Congress of Chemical Engineering, 2013, Seoul, South Korea.
  2. Han L, Zhou Z, Bollas GM. Optimal experimental design of fixed-bed chemical-looping combustion systems, In: Abstracts of Papers of the American Chemical Society, 245th ACS National Meeting & Exposition, New Orleans, LA, USA, 2013.
  3. Han L, Zhou Z, Bollas GM. Implementation of Optimal Experimental Design in chemical-looping experimentation. In: AIChE Annual Meeting, San Francisco, CA, USA, 2013.
  4. Han L, Zhou Z, Bollas GM. Effect of pore and particle size of oxygen carriers on chemical-looping combustion and reforming. In: AIChE Annual Meeting, San Francisco, CA, USA 2013.
  5. Zhou Z, Bollas GM. Model-assisted comparison of chemical-looping combustion in fixed and fluidized bed reducers, Invited Lecture, In: Abstracts of Papers of The American Chemical Society, 245th ACS National Meeting & Exposition, New Orleans, LA, USA, 2013.
  6. Zhou Z, Nordness O, Bollas GM. On the Kinetics of Ni-Based Oxygen Carrier Reduction and Oxidation Studied in Thermogravimetric Analysis and Fixed-Bed Reactors. In: AIChE Annual Meeting; San Francisco, CA, USA; 2013.
  7. Zhou Z, Han L, Fischer A, Bollas GM. An Overview of Chemical-Looping Reduction in Fixed-Bed and Fluidized Bed Reactors Focused On Oxygen Carrier Utilization and Reactor Efficiency. In: AIChE Annual Meeting; San Francisco, CA, USA; 2013.
  8. Zhou Z, Nordness O, Bollas GM. Comparison of Cu-, Fe- and Ni- Based Oxygen Carriers for Chemical-Looping Combustion. In: AIChE Annual Meeting; San Francisco, CA, USA; 2013.
  9. Zhou Z, Du S, Fischer A, Han L, Bollas GM. Chemical-Looping with Oxygen Uncoupling of Coal in a Spouted Bed. In: AIChE Annual Meeting, San Francisco CA, 2013.
  10. Nordness O, Zhou Z, Bollas GM. Reactivity Analysis of Ni, Cu, Fe Oxygen Carriers in Chemical Looping Combustion. In: AIChE Annual Meeting; San Francisco, CA, USA; 2013.
  11. Fischer A, Bollas GM. Chemicals and Commodities from Waste Coffee: Analysis of Fast Pyrolysis Product with Respect to Experimental Design. In: 2013 AIChE Annual Meeting; San Francisco, CA, USA; 2013.
  12. Du S,Valla IA, Bollas GM. Fate of catalyst during catalytic pyrolysis of biomass and relevant model compounds, ACS On Demand Invited Lecture Series, In: Abstracts of Papers of The American Chemical Society, 245th ACS National Meeting & Exposition, New Orleans, LA, USA, 2013.
  13. Du S, Fischer A, Bollas GM. Effect of CH4 Co-Feeding On Biomass Catalytic Pyrolysis. In 2013 AIChE Annual Meeting; San Francisco, CA, USA; 2013.
  14. Du S, Fleming N, Valla JA, Bollas GM. Fast Catalytic Pyrolysis of Biomass and Relevant Model Compounds Studied in a Spouted Bed Reactor: Effect of Catalyst Type and Loading. In: 2013 AIChE Annual Meeting; San Francisco, CA, USA; 2013.
  15. Du S, Bollas GM. Challenges in the Operation of a Fluidized Bed Reactor for Biomass Pyrolysis. In: AIChE Annual Meeting, San Francisco, CA, USA, 2013.
  16. Akkalkotkar A, Du S, Bollas GM, Valla JA. Hierarchical Pore Structure Zeolites for the Catalytic Upgrading of Tars. In: AICHE Annual Meeting, San Francisco, CA, USA, 2013.
  17. Du S, Bollas GM. Similarities and differences between pyrolysis and gasification of biomass and bio-solids from brown grease. Invited Lecture, In: 18th Environmental Issues Conference, New York, NY, USA, 2013.
  18. Valla IA, Du S, Bollas GM. Simulation of coal and biomass to liquids process with parallel power generation based on combined cycle and in-series fuel cell + combined cycle system, In: Abstracts of Papers of the American Chemical Society, 245th ACS National Meeting & Exposition, New Orleans, LA, USA, 2013.
  19. Akkalkotkar A, Bollas GM, Valla I A. Catalytic cracking of tars using hierarchical pore structure zeolites. In: Abstracts of Papers of the American Chemical Society, 245th ACS National Meeting & Exposition, New Orleans, LA, USA, 2013.
  20. Desjardins J, Collins C, Bollas GM. Novel Schemes for CO2 Utilization Using Methane Bi-Reforming and Carbon Formation Reactions. In: AIChE Annual Meeting, San Francisco CA, USA, 2013.