daflorezo@usp.br // +55 11 3091-9668


About
Mech. Eng. National University of Colombia, Medellin (2011). MSc. Mech.Eng. Energy and Fluids Polytechnic School, University of São Paulo (2012-2014). Research fields: Thermal and Environmental Engineering, Fluid Mechanics, Material Sciences, Heat transfer, Numerical Methods and Combustion, Thermodynamics, Exergy and Exergoeconomy Analysis, Chemical Process Optimization. Member of Colombian Society of Mechanical and Electrician Engineering – ACIEM Antioquia.
Recent publications
Ortiz, P. S., Flórez-Orrego, D., de Oliveira Junior, S., Maréchal, F., & Maciel Filho, R. (2019). Exergetic, environmental and economic assessment of sugarcane first–generation biorefineries. Journal of Power Technologies, 99(2), 67-81.
Nakashima, R. N., Flórez-Orrego, D., & de Oliveira Junior, S. (2019). Integrated anaerobic digestion and gasification processes for upgrade of ethanol biorefinery residues. Journal of Power Technologies, 99(2), 104-114.
Flórez-Orrego, D., Maréchal, F., & de Oliveira Junior, S. (2019). Comparative exergy and economic assessment of fossil and biomass-based routes for ammonia production. Energy Conversion and Management, 194, 22-36.
Flórez-Orrego, D., Silva, F. N., & de Oliveira Junior, S. (2019). Syngas Production with Thermo-Chemically Recuperated Gas Expansion Systems: An Exergy Analysis and Energy Integration Study. Energy.
Flórez-Orrego, D., Henriques, I. B., Nguyen, T. V., da Silva, J. A. M., Mady, C. E. K., Pellegrini, L. F., … & de Oliveira Junior, S. (2018). The contributions of Prof. Jan Szargut to the exergy and environmental assessment of complex energy systems. Energy, 161, 482-492.
Flórez-Orrego, D. A. Process synthesis and optimization of syngas and ammonia production in nitrogen fertilizers complexes: energy, energy integration and CO2 emissions assessment (Doctoral dissertation, Universidade de São Paulo).
Flórez-Orrego, D., & de Oliveira Junior, S. (2017). Exergy assessment of single and dual pressure industrial ammonia synthesis units. Energy, 141, 2540-2558.
Flórez-Orrego, D., & de Oliveira Junior, S. (2017). Modeling and optimization of an industrial ammonia synthesis unit: An exergy approach. Energy, 137, 234-250.
Florez-Orrego, D., Sharma, S., Oliveira Jr, S., & Marechal, F. (2017). Combined Exergy Analysis and Energy Integration for Design Optimization of Nitrogen Fertilizer Plants. In 30th International conference on efficiency, cost, optimization, simulation and environmental impact of energy systems, ECOS 2017, July 2–6. San Diego State University San Diego, United States.
Flórez-Orrego, D., & de Oliveira Junior, S. (2016). On the efficiency, exergy costs and CO2 emission cost allocation for an integrated syngas and ammonia production plant. Energy, 117, 341-360.
dos Santos, R. G., de Faria, P. R., Santos, J. J., da Silva, J. A., & Flórez-Orrego, D. (2016). Thermoeconomic modeling for CO2 allocation in steam and gas turbine cogeneration systems. Energy, 117, 590-603.
Flórez-Orrego, D., & Oliveira Jr, S. (2016). Exergy Modeling and Optimization of an Ammonia Production Plant. In 29th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, ECOS.
Flórez-Orrego, D., Silva, J. A., & de Oliveira Jr, S. (2015). Exergy and environmental comparison of the end use of vehicle fuels: The Brazilian case. Energy conversion and management, 100, 220-231.
Flórez-Orrego, D., da Silva, J. A., Velásquez, H., & de Oliveira Jr, S. (2015). Renewable and non-renewable exergy costs and CO2 emissions in the production of fuels for Brazilian transportation sector. Energy, 88, 18-36.
Flórez-Orrego, D., Silva, J. A., & de Oliveira Jr, S. (2014). Renewable and non-renewable exergy cost and specific CO2 emission of electricity generation: The Brazilian case. Energy conversion and management, 85, 619-629.
Silva, J. A., Flórez-Orrego, D., & Oliveira Jr, S. (2014). An exergy based approach to determine production cost and CO2 allocation for petroleum derived fuels. Energy, 67, 490-495.