Phone: (787) 832-4040 Ext. 2576


Office: IQ-205-N

Office Hours:



Field(s):Pharmaceutical Engineering, Process Control and Systems Analysis

Current Course(s):

Curriculum Vitae:

  • INQU5022 Chemical Engineering Process Design II
  • INQU5025 Analysis And Control Of Processes
  • Pharmaceutical Process Modeling
  • Optimization
  • Optimal Control
  • Granulation
  • Fluid Bed Drying
  • David A Mota Aguilar
  • Vladimir Villanueva Lopez
  • Elvin Almodovar Garcia
  • Madeline Candelaria Custodio
  • L. Obregón, L. Quiñones, C. Velázquez. Model predictive control of a fluidized bed dryer with an inline NIR as moisture ensor. Control Engineering Practice, 21 (2013) 509–517.
  • Mendez, R.; Muzzio, FJ.; Velazquez, C. Powder hydrophobicity and flow properties: Effect of feed frame design and operating parameters. AIChE J., 58(3), (2012), 697 – 706.
  • R. Mendez, F. Muzzio, C. Velázquez. Study of the effects of feed frames on powder blend properties during the filling of tablet press dies. Powder Technology, 200, (3), (2010),105-116.
  • L. Obregón, A. Realpe, C. Velázquez. Mixing of granular materials, part II: effect of particle size under periodic shear. Powder Technology, 201, (3), (2010), 193-200.
  • L. Obregón, A. Realpe, C. Rinaldi, C. Velázquez. Mixing of granular materials. Part I: Effect of periodic shear. Powder Technology, 197 (2010) 9–16.
  • Realpe A. and C. Velázquez. Agglomeration Modeling of Small and Large Particles by a Diffusion Theory Approach. AIChE Journal, Vol. 55, No. 5 (2009), 1127 – 1134.
  • Realpe A. and C. Velázquez. Growth kinetics and mechanism of wet granulation in a laboratory-scale high shear mixer: Effect of initial polydispersity of particle size. Chemical Engineering Science, 63 (2008) 1602 – 1611.
  • Realpe A. and C. Velázquez. Pattern recognition for characterization of pharmaceutical powders. Powder Technology, 169 (2006) 108–113.
  • Realpe A. and C. Velázquez, Image processing and analysis for determination of concentrations of powder mixtures. Powder Technology, 134, (2003) 193-200.