Robert Pfeffer
Robert Pfeffer Distinguished Professor (Emeritus)
Distinguished Research Professor
New Jersey Center for Engineered Particulates
YCEES, Room 204
973-642-7496
robert.pfeffer@njit.edu 









Education

  • New York University, PhD 1962
  • New York University, MS 1958
  • New York University, BS 1956

Research Interests

  • Dry particle coating and supercritical fluid processing to produce engineered particulates with tailored properties
  • Fluidization, mixing, coating and processing of ultra-fine and nano-structured particulates
  • Filtration of sub-micron particulates
  • Agglomeration, sintering and granulation of fine particles 

Current Research Projects

  • NSF NIRT: Experimental and Computational Investigation of Fluid Interactions and Transport Around Nanoparticles
  • NSF NER: Fractal Nanoagglomerates: A New Filter Media for HEPA Filters
  • NSF NIRT: Environmentally Benign Deagglomeration and Mixing of Nanoparticles


Recent Publications

  • Yulu Wang , Robert Pfeffer, Rajesh Dave, Robert Enick, “Polymer Encapsulation of Fine Particles by a Supercritical Antisolvent Process”, AIChE Journal, 51 (2), pp. 440-455, 2005.
  • Chao Zhu, Qun Yu, Rajesh N. Dave, Robert Pfeffer, “Gas Fluidization Characteristics of Nanoparticle Agglomerates”, AIChE Journal, 51 (2), pp. 426-439, 2005.
  • Caroline Nam, R. Pfeffer, R. Dave, S. Sundaresan, “Aerated Vibrofluidization of Silica Nanoparticles”, AIChE Journal, Vol 50 (8), pp. 1776-1785, 2004.
  • B. Yue, J. Yang, Y. Wang, C.-Y. Huang, R. Dave, R. Pfeffer, “Particle Encapsulation with Polymers via Polymerization in Supercritical CO2 ”, Powder Technology, 146 (1-2), pp.32-45, 2004.
  • Wenliang Chen, Rajesh N. Dave, Robert Pfeffer and Otis Walton, “Numerical Simulation of Mechanofusion System”, Powder Technology, 146 (1-2), pp.121-136, 2004.
  • A. Mujumdar, D. Wei, R. N. Dave, R. Pfeffer and C.-Y. Wu, “Improvement of Humidity Resistance of Magnesium Powder Using Dry Particle Coating,” Powder Technology, Vol.140, pp. 86-97, 2004.
  • S. S. Dukhin, Jun Yang, R. N. Dave and Robert Pfeffer, “Deactivated sintering by Particle Coating: the Significance of Static and Dynamic Surface Phenomena,” Colloids and Surfaces A, Vol. 235, pp. 83-99, 2004.
  •  Qian, G.-H., Burdick, I. W., Pfeffer, R., Shaw, H.,  Stevens, J.G., “Soot Removal from Diesel Engine Exhaust Using a Rotating Fuidized Bed Filter”  Advances in Environmental Research, Volume 8, Issues 3-4, pp 287-729, 2004.
  • S. Watano, H. Nakamura, K. Hamada, Y. Wakamatsu, Y. Tanabe, R. N. Dave, R. Pfeffer, “Fine Particle Coating by a Novel Rotating Fluidized Bed Coater,” Powder Technology, Volume 141, Issue 3, pp 172-176, 2004.
  • Y. Wang, R. N. Dave and R. Pfeffer, “Polymer Coating/Encapsulation of Nanoparticles Using a Supercritical Anti-solvent (SAS) Process,” Journal of Supercritical Fluids, Vol.28, pp.85-99, 2004.
  • F. Chavez, P. G. Debenedetti, J-J. Luo, R. N. Dave and R. Pfeffer, “Estimation of the Characteristic Time Scales in the Supercritical Antisolvent Process,” Journal of Supercritical Fluids, Vol. 42, No. 13, pp. 3156-3162, 2003.
  • M. Mohan, R. N. Dave and R. Pfeffer, “The Promotion of Deactivated Sintering by Dry Particle Coating,” AIChE Journal, Vol. 49, No. 3, pp. 604-618, 2003.
  • C. Zhu, C. H. Lin, G. H. Qian and R. Pfeffer, “Modeling of the Pressure Drop and Flow Field in a Rotating Fluidized Bed”, Chemical Engineering Communications, Vol. 190, No. 9, pp. 1132 – 1154, 2003.
  • S. Watano, Y. Imada, K. Hamada, Y. Wakamatsu, Y. Tanabe, R. N. Dave and R. Pfeffer, “Micro-granulation of Fine Powders by a Novel Rotating Fluidized Bed Granulator,” Powder Technology, Vol. 131, No. 2-3, pp. 250-255, 2003.
  • S. S. Dukhin, C. Zhu, R. Dave, R. Pfeffer, J. J. Luo, F. Chaves and Y. Shen, “Dynamic Interfacial Tension Near the Critical Point of a Solvent-antisolvent Mixture and Laminar Jet Stabilization,” Colloids and Surfaces A, Vol. 229, pp. 181-199, 2003.
  • J. Yang, Y. Wang, R. N. Dave and R. Pfeffer, “Mixing of Nano-particles by Rapid Expansion of Supercritical Suspensions (RESS),” Advanced Powder Technology, Vol. 14, No. 4, pp. 449-470, 2003.
  • R. N. Dave, W. Chen, A. Mujumdar, W. Wang and R. Pfeffer, “Numerical Simulation of Dry Particle Coating Processes by DEM,” Advanced Powder Technology, Vol. 14, No. 4, pp. 449-470-493, 2003.


Awards and Honors

  • NJIT, Harlan J. Perlis Research Award  2000
  • AIChE, Thomas Baron Award in Fluid-Particle Systems  2000
  • AIChe,  Particle Technology Forum National Award 1995
  • NSF Creativity Award 1985
  • Fulbright Scholar, Technion-Israel Institute of Technology  1976