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Dr. Alejandro Reyes

Teléfono: 
+56 2 2718 1819
E-mail: 
alejandro.reyes@usach.cl

Desde 1981 he guiado más de 150 tesis de pregrado (Ingeniería de Ejecución Química e Ingeniería Civil Química), 12 tesis de Magíster y 2 tesis de Doctorado.Los temas de las tesis están relacionados con combustión y carbonización de carbones, secado de agroproductos y suspensiones en lechos fluidizados y de chorro, liofilización atmosférica y a vacío de agroproductos y de suspensiones, y aplicaciones usando energía solar y materiales de cambio de fase en secado y en sistemas de desalación.

Publicaciones: 
  1. Reyes, A., Pailahueque, N., Henríquez-Vargas, L., Huichapan, P., Mellado, A. Evaluation of continuous salt recovery from saline solutions using fluidization with inert particles. Powder Technology, 466, 121360, 2025. https://doi.org/10.1016/j.powtec.2025.121360
  2. Henríquez-Vargas, L., Donoso-García, P., Lackey, L., Bravo-Gutiérrez, M., Cajas, B., Reyes, A., Pailahueque, N., Díaz-Aburto, I., Bubnovich, V. Modeling of the Solid Stress Tensor in the MP-PIC Method: A Review of Methods and Applications. Mathematics, 12(23), 3700, 2024. https://doi.org/10.3390/math12233700
  3. Moreno, R., Antolín, G., Reyes, A. Experimental Investigation on Drying of Forest Biomass Particles in a Mechanically Stirred Fluidized Bed. En Drying Science and Technology (IntechOpen), 2023. https://doi.org/10.5772/intechopen.113973
  4. Reyes, A., Gatica, E., Henríquez-Vargas, L., Pailahueque, N., Vargas, A. Experimental and numerical study of desalination using solar energy and phase change materials. Journal of Environmental Chemical Engineering, 11(6), 111193, 2023. https://doi.org/10.1016/j.jece.2023.111193
  5. Reyes, A., Gatica, E., Henríquez-Vargas, L., Pailahueque, N. Modeling of sawdust drying in spouted beds using solar energy and phase change materials. Journal of Energy Storage, 51, 104441, 2022. https://doi.org/10.1016/j.est.2022.104441
  6. Reyes, A., Gatica, E., Henríquez-Vargas, L., Pailahueque, N. Sawdust drying in a series of rectangular base spouted beds using solar energy. Journal of Energy Storage, 48, 103881, 2022. https://doi.org/10.1016/j.est.2021.103881
  7. Sánchez, D., Díaz-Robles, L., Cubillos, F., Gómez, J., Reyes, A., Vallejo, F., Pino-Cortés, E. Drying process study of hydrothermal carbonized biomass. Drying Technology, 40(2), 273-283, 2022. https://doi.org/10.1080/07373937.2020.1786110
  8. Henríquez-Vargas, L., Reyes, A., Quiroga, M., Angel, F., Pailahueque, N., Donoso-García, P. Thermoelectric generation in a PCM-based energy accumulator. Heat and Mass Transfer, 57(8), 1265-1274, 2021. https://doi.org/10.1007/s00231-021-03019-8
  9. Pailahueque, N., Reyes, A., Henríquez-Vargas, L., Gil, M., Castro, P., Bubnovich, V. Fluid dynamic analysis and residence time distribution determination for rectangular based spouted beds. Powder Technology, 380, 385-393, 2021. https://doi.org/10.1016/j.powtec.2020.10.064
  10. Plaza, A., Cabezas, R., Merlet, G., Zurob, E., Concha-Meyer, A., Reyes, A., Romero, J. Dehydrated cranberry juice powder obtained by osmotic distillation combined with freeze-drying: Process intensification and energy reduction. Chemical Engineering Research and Design, 160, 233-239, 2020. https://doi.org/10.1016/j.cherd.2020.05.003
  11. Henríquez-Vargas, L., Angel, F., Reyes, A., Pailahueque, N., Donoso-García, P. Simulation of a solar energy accumulator based on phase change materials. Numerical Heat Transfer, Part A: Applications, 77(5), 443-459, 2020. https://doi.org/10.1080/10407782.2020.1713633
  12. Reyes, A., Henríquez-Vargas, L., Vásquez, J., Pailahueque, N., Aguilar, G. Analysis of a laboratory scale thermal energy accumulator using two-phases heterogeneous paraffin wax-water mixtures. Renewable Energy, 145, 41-51, 2020. https://doi.org/10.1016/j.renene.2019.06.007
  13. Moreno, R., Antolín, G., Reyes, A. Mass transfer during forest biomass particles drying in a fluidised bed. Biosystems Engineering, 198, 163-171, 2020. https://doi.org/10.1016/j.biosystemseng.2020.08.003
  14. Bubnovich, V., Reyes, A., Díaz, M. Computational Simulation of the Thermal Performance of a Solar Air Heater Integrated With a Phase Change Material. Journal of Solar Energy Engineering, 141(5), 051011, 2019. https://doi.org/10.1115/1.4043549
  15. Reyes, A., Vásquez, J., Pailahueque, N., Mahn, A. Effect of drying using solar energy and phase change material on kiwifruit properties. Drying Technology, 37(2), 232-244, 2019. https://doi.org/10.1080/07373937.2018.1450268
  16. Vásquez, J., Reyes, A., Pailahueque, N. Modeling, simulation and experimental validation of a solar dryer for agro-products with thermal energy storage system. Renewable Energy, 139, 1375-1390, 2019. https://doi.org/10.1016/j.renene.2019.02.085
  17. Reyes, A., Pailahueque, N., Henríquez-Vargas, L., Vásquez, J., Sepúlveda, F. Analysis of a multistage solar thermal energy accumulator. Renewable Energy, 136, 621-631, 2019. https://doi.org/10.1016/j.renene.2018.12.103
  18. Reyes, A., Henríquez-Vargas, L., Rivera, J., Sepúlveda, F. Theoretical and experimental study of aluminum foils and paraffin wax mixtures as thermal energy storage material. Renewable Energy, 101, 225-235, 2017. https://doi.org/10.1016/j.renene.2016.08.057
  19. Moreno, R., Antolín, G., Reyes, A. Heat transfer during forest biomass particles drying in an agitated fluidised bed. Biosystems Engineering, 151, 65-71, 2016. https://doi.org/10.1016/j.biosystemseng.2016.08.002
  20. Mahn, A., Martin, C., Reyes, A., Saavedra, A. Evolution of sulforaphane content in sulforaphane-enriched broccoli during tray drying. Journal of Food Engineering, 186, 27-33, 2016. https://doi.org/10.1016/j.jfoodeng.2016.04.007
  21. Vásquez, J., Reyes, A., Mahn, A., Cubillos, F. Experimental evaluation of fuzzy control solar drying with thermal energy storage system. Drying Technology, 34(13), 1558-1566, 2016. https://doi.org/10.1080/07373937.2015.1137001
  22. Mahn, A., Román, J., Reyes, A. Efecto de la liofilización de brócoli pre-procesado sobre la cinética de secado y el contenido de sulforafano. Información Tecnológica, 27(6), 95-106, 2016. https://doi.org/10.4067/S0718-07642016000600010
  23. Reyes, A., Henríquez-Vargas, L., Aravena, R., Sepúlveda, F. Experimental analysis, modeling and simulation of a solar energy accumulator with paraffin wax as PCM. Energy Conversion and Management, 105, 189-196, 2015. https://doi.org/10.1016/j.enconman.2015.07.068
  24. Reyes, A., Mahn, A., Cares, V. Analysis of dried onions in a hybrid solar dryer, freeze dryer and tunnel dryer. Chemical Engineering Transactions, 43, 139–144, 2015. https://doi.org/10.3303/cet1543024
  25. Reyes, A., Negrete, D., Mahn, A., Sepúlveda, F. Design and evaluation of a heat exchanger that uses paraffin wax and recycled materials as solar energy accumulator. Energy Conversion and Management, 88, 391-398, 2014. https://doi.org/10.1016/j.enconman.2014.08.032
  26. Reyes, A., Mahn, A., Vásquez, F. Mushrooms dehydration in a hybrid-solar dryer, using a phase change material. Energy Conversion and Management, 83, 241-248, 2014. https://doi.org/10.1016/j.enconman.2014.03.077
  27. Reyes, A., Cubillos, F., Mahn, A., Vasquez, J. Control system in a hybrid solar dryer. 2014 5th International Renewable Energy Congress (IREC), 1-5, 2014. https://doi.org/10.1109/irec.2014.6826936
  28. Reyes, A., Mahn, A., Cubillos, F., Huenulaf, P. Mushroom dehydration in a hybrid-solar dryer. Energy Conversion and Management, 70, 31-39, 2013. https://doi.org/10.1016/j.enconman.2013.01.032
  29. Reyes, A., Pérez, N., Mahn, A. Determination of Specific Heat and Thermal Conductivity of "Loco" (Concholepas concholepas). Food and Bioprocess Technology, 6(7), 1873-1877, 2013. https://doi.org/10.1007/s11947-011-0698-0
  30. Reyes, A., Mahn, A., Guzmán, C., Antoniz, D. Analysis of the Drying of Broccoli Florets in a Fluidized Pulsed Bed. Drying Technology, 30(11-12), 1368-1376, 2012. https://doi.org/10.1080/07373937.2012.686548
  31. Mahn, A., Reyes, A. An overview of health-promoting compounds of broccoli ( Brassica oleracea var. italica) and the effect of processing. Food Science and Technology International, 18(6), 503-514, 2012. https://doi.org/10.1177/1082013211433073
  32. Bubnovich, V., Reyes, A., Quijada, E., Mahn, A. Numerical simulation of lyophilization of carrot slices at atmospheric pressure in a fluidized bed. Journal of Food Engineering, 109(4), 659-667, 2012. https://doi.org/10.1016/j.jfoodeng.2011.11.030
  33. Mahn, A., Zamorano, M., Barrientos, H., Reyes, A. Optimization of a process to obtain selenium-enriched freeze-dried broccoli with high antioxidant properties. LWT, 47(2), 267-273, 2012. https://doi.org/10.1016/j.lwt.2012.01.017
  34. Reyes, A., Mahn, A., Huenulaf, P. Drying of Apple Slices in Atmospheric and Vacuum Freeze Dryer. Drying Technology, 29(9), 1076-1089, 2011. https://doi.org/10.1080/07373937.2011.568657
  35. Reyes, A., Evseev, A., Mahn, A., Bubnovich, V., Bustos, R., Scheuermann, E. Effect of operating conditions in freeze-drying on the nutritional properties of blueberries. International Journal of Food Sciences and Nutrition, 62(3), 303-306, 2011. https://doi.org/10.3109/09637486.2010.534078
  36. Mahn, A. V., Antoine, P., Reyes, A. Optimization of Drying Kinetics and Quality Parameters of Broccoli Florets. International Journal of Food Engineering, 7(2), 2011. https://doi.org/10.2202/1556-3758.2181
  37. Reyes, A., Pérez, N., Mahn, A. Theoretical and Experimental Study of Freeze-Drying of “ loco ” ( Concholepas concholepas ). Drying Technology, 29(12), 1386-1395, 2011. https://doi.org/10.1080/07373937.2011.586479
  38. Reyes, A., Bubnovich, V., Bustos, R., Vásquez, M., Vega, R., Scheuermann, E. Comparative Study of Different Process Conditions of Freeze Drying of ‘Murtilla’ Berry. Drying Technology, 28(12), 1416-1425, 2010. https://doi.org/10.1080/07373937.2010.482687
  39. Mahn, A., Reyes, A., Zamorano, M., Cifuentes, W., Ismail, M. Depletion of highly abundant proteins in blood plasma by hydrophobic interaction chromatography for proteomic analysis. Journal of Chromatography B, 878(15-16), 1038-1044, 2010. https://doi.org/10.1016/j.jchromb.2010.03.006
  40. Reyes, A., Vega, R. V., Bruna, R. D. Effect of Operating Conditions in Atmospheric Freeze Drying of Carrot Particles in a Pulsed Fluidized Bed. Drying Technology, 28(10), 1185-1192, 2010. https://doi.org/10.1080/07373937.2010.482717
  41. Bubnovich, V., Quijada, E., Reyes, A. Computer Simulation of Atmospheric Freeze Drying of Carrot Slices in a Fluidized Bed. Numerical Heat Transfer, Part A: Applications, 56(2), 170-191, 2009. https://doi.org/10.1080/10407780903107386
  42. Optimization of murtilla berry drying in an atmospheric freeze dryer. Chemical Engineering Transactions, 18, 183–188, 2009 (coautoría: Reyes, A.). https://doi.org/10.3303/cet0918028
  43. Bubnovich, V., Villarreal, C., Reyes, A. Computer Simulation of the Drying of Seeds and Vegetables in a Discontinuous Fluidized Bed. Numerical Heat Transfer, Part A: Applications, 54(3), 255-278, 2008. https://doi.org/10.1080/10407780802084728
  44. Reyes, A., Vega, R., García, G. Drying Sawdust in a Pulsed Fluidized Bed. Drying Technology, 26(4), 476-486, 2008. https://doi.org/10.1080/07373930801929508
  45. Reyes, A., Vega, R., Bustos, R., Araneda, C. Effect of Processing Conditions on Drying Kinetics and Particle Microstructure of Carrot. Drying Technology, 26(10), 1272-1285, 2008. https://doi.org/10.1080/07373930802307282
  46. Reyes, A., Herrera, N., Vega, R. Drying Suspensions in a Pulsed Fluidized Bed of Inert Particles. Drying Technology, 26(1), 122-131, 2007. https://doi.org/10.1080/07373930701781777
  47. Reyes, A., Cerón, S., Zúñiga, R., Moyano, P. A comparative study of microwave-assisted air drying of potato slices. Biosystems Engineering, 98(3), 310-318, 2007. https://doi.org/10.1016/j.biosystemseng.2007.07.006
  48. Reyes, A., Moyano, P., Paz, J. Drying of Potato Slices in a Pulsed Fluidized Bed. Drying Technology, 25(4), 581-590, 2007. https://doi.org/10.1080/07373930701227011
  49. Reyes, A., Eckholt, M., Alvarez, P. I. Drying and Heat Transfer Characteristics for a Novel Fluidized Bed Dryer. Drying Technology, 22(8), 1869-1895, 2004. https://doi.org/10.1081/drt-200032837
  50. Reyes, A., Eckholt, M., Troncoso, F., Efremov, G. Drying Kinetics of Sludge from a Wastewater Treatment Plant. Drying Technology, 22(9), 2135-2150, 2004. https://doi.org/10.1081/ldrt-200034218
  51. Cubillos, F., Reyes, A. Drying of Carrots in a Fluidized Bed. II. Design of a Model Based on a Modular Neural Network Approach. Drying Technology, 21(7), 1185-1196, 2003. https://doi.org/10.1081/drt-120023175
  52. Reyes, A., Alvarez, P. I., Marquardt, F. H. Drying of carrots in a fluidized bed. i. effects of drying conditions and modelling. Drying Technology, 20(7), 1463-1483, 2002. https://doi.org/10.1081/drt-120005862
  53. Reyes, A., Díaz, G., Marquardt, F. H. Analysis of mechanically agitated fluid-particle contact dryers. Drying Technology, 19(9), 2235-2259, 2001. https://doi.org/10.1081/drt-100107496
  54. Reyes, A., Vidal, I. Experimental analysis of a mechanically stirred spouted bed dryer. Drying Technology, 18(1-2), 341-359, 2000. https://doi.org/10.1080/07373930008917708
  55. Blasco, R., Diaz, G., Reyes, A. Pneumatic suspension drying: modeling and computational simulation. Drying Technology, 16(1-2), 199-215, 1998. https://doi.org/10.1080/07373939808917399
  56. Reyes, A., Diaz, G., Blasco, R. Slurry drying in gas-particle contactors: fluid-dynamics and capacity analysis. Drying Technology, 16(1-2), 217-233, 1998. https://doi.org/10.1080/07373939808917400
Proyectos: 

2025-2026 FONDEF IDeA I+D ID25I10163, "Innovación en liofilización atmosférica: electro tecnologías para mejorar la calidad y durabilidad de productos deshidratados". Director.

2024-2026 FONDECYT Regular 1240523, "Salt and water recovery from brine using solar energy with phase change materials". Investigador Responsable.

2011-2014 FONDECYT 1110101, "Theoretical and experimental analysis of a hybrid solar dryer using a phase-change material for energy storage".

2007-2010 FONDECYT 1070019, "Theoretical and experimental study of atmospheric freeze-drying in a pulsed fluidized bed".

2004-2006 FONDECYT 1040090, "Análisis teórico experimental de nuevas alternativas de secado: lecho fluido-pulsante y lecho fluido-pulsante + microondas".

2001-2003 FONDECYT 1010700, "Innovaciones en un secador de lecho fluidizado".

1998-2001 FONDECYT 1980666, "Secado de suspensiones sobre portadores inertes en equipos de lecho de chorro y fluidizado, mecánicamente agitados".

1995-1997 FONDECYT 1941092, "Estudio comparativo del secado de pastas".

Tipo Persona: 
Academicos