Roshan Jachuck

Clarkson University » CAMP - A NY State CAT » Faculty & Staff

Research Associate Professor
Chemical and Biomolecular Engineering
CB222 CAMP
Clarkson University
PO Box 5705
Potsdam, NY 13699-5705

Phone: 315-268-6325
E-mail: rjachuck@clarkson.edu
Research Web site

Educational Background:
Ph.D., Chemical and Process Engineering, University of Newcastle Upon Tyne, UK
B.Tech., Chemical Engineering, Harcourt Butler Technological Institute, India,
BSc. Physics(hons) Rawvenshaw College, India

Memberships:
AIChE, ACS, IChemE

Conducted Research:

• Process Intensification and Clean Technology (PICT)
• Polymerisation processes - Free radical and condensation polymerisations carried out in seconds with high degree of control in the molecular weight of the product
• Photo-Polymerisation - solvent free processing in seconds
• Photo copolymerisation
• Continuous production of micron to nano sized particles with controlled particle size distribution
• Removal of low molecular weight organic from viscous melts - devolatilisation of polymers
• Selective organic reactions with supported catalysis n Mixing of viscous fluids as well as fluids with differing viscosities
• Catalytic reactions for oil and gas industry
• Continuous processing with UV and microwave

Facilities:

• FTIR
• Spinning disc reactor
• Micro reactor
• Micro wave - Micro reactor
• Intensified UV reactors

Patents:
Over 20 patents in the field of spinning disc reactors intensified polymerization process, continuous production of particles and intensified heat and mass transfer modules.

Selected Publications:
R.J.J. Jachuck, D.K. Selvaraj and R.S. Varma, “Process intensification: oxidation of benzyl alcohol using a continuous isothermal reactor under microwave irradiation,” Green Chemistry, Vol. 8, 29-33 (January 2006).

R.J.J. Jachuck and J.R. Burns, “Spinning Disk,” Encyclopaedia of ChemicalProcessing, Dekker Pub. (2006)

L. Zaheed and R.J.J. Jachuck, “Effects of corrugation angle on heat transfer and pressure drop in a cross-corrugated polymer film compact heat exchanger (PFCHE),” International Journal of Heat Exchangers, 1524-5608/Vol VI, 305-330 (2005).

L. Zaheed and R.J.J. Jachuck, “Effects of Prandtl number on heat transfer and pressure drop in a cross-corrugated polymer film compact heat exchanger (PFCHE),” International Journal of Heat Exchangers, 1524-5608/Vol VI, 331-359 (2005).R.JJ. Jachuck and J.R. Burns, “Spinning Disk,” Encyclopaedia of ChemicalProcessing, Dekker Pub. (2005).

L. Zaheed and R.J.J. Jachuck, “Performance of a square, cross-corrugated, polymer film, compact, heat-exchanger with potential application in fuel cells,” Journal of Power Sources, 140, 304-310 (2005).

J.R.Burns and R.J.J. Jachuck, “Determination of liquid-solid mass transfer coefficient for a spinning disc reactor using a limiting current technique,” International Journal of Heat and Mass Transfer, 48, 2540-2547 ( 2005).

J.R.Burns and R.J.J. Jachuck, “Monitoring of CaCO 3 Production on a Spinning Disc Reactor Using Local Conductivity Measurements,” AIChEJournal, Vol. 51, No. 5, 1497-1507 (May 2005).

J.R. Burns and R. Jachuck, Monitoring of CaCO₃ Production on a Spinnng Disc Reactor Using Local Conductivity Measurements, AIChE journal (accepted April 2004).

P. Leveson, W.A.E. Dunk and R. Jachuck, Investigation of Shear Effects on Styrene Free Radical Polymerisation Using a Narrow Channel Reactor, Journal of Applied Polymer Science, (accepted) March 2004.

Ryan J.M. McGlen, R. Jachuck, S. Lin, Integrated Thermal Management Techniques for High Power Electronic Devices, Applied Thermal Engineering, Vol. 24, Issues 8-9, 1143-1156, June 2004.

N. Tzanetakis, K.Scott and R..Jachuck, Mass Transfer Characteristics of corrugated surfaces, Applied Thermal Engineering, Online 23 January 2004.

K.V.K. Boodhoo, W.A.E. Dunk, M.S. Jassim, and R.Jachuck, Thin film solvent-free photopolymerization of n-butyl acrylate. I. Static film studies, Journal of Applied Polymer Science, Vol. 91, Issue 4, 2079-2095 (2004).

P. Leveson, B.W.A Dunk and R. Jachuck, A numerical investigation into the kinetics of free radical polymerisation on a spinning disc reactor, Journal of Applied Polymer Science, Vol. 90, 693-699 (2003).

G. Trippa and R.J. Jachuck, Process Intensification: Precipitation of Calcium Carbonate Using Narrow Channel Reactors, Trans ChemE, Vol 81, Part A, August 2003.

J. Burns, C. Ramshaw and R.J. Jachuck, Measurement of liquid film thickness and determination of spin radius on a rotating disc using electrical resistance technique, Chemical Engineering Science, 58, 2245-2253 (2003).

N. Tzanetakis, W. Tamma, K. Scott and R.J. Jachuck, The effect of corrugated membranes on salt splitting, Journal of Applied Electrochemistry, 33, 411-417 (2003).

N. Tzanetaskis, W. Tamma, K. Scott, R.J. Jachuck, R.S. Slade and J. Varcoe, Comparative Performance of Ion Exchange Membranes for Electrodialysis of Nickel and Cobalt, Separation and Purification Technology, 30, 113-127 (2003).

L.M. Cafiero, G. Baffi, A. Chianese, and R.J. Jachuck, Process Intensification: Precipitation of Barium Sulfate Using a Spinning Disk Reactor, Ind. Eng. Chem. Res., 41 (21), 5240 -5246, 2002.

R. Jachuck, Process Intensification for Responsive Processing, Trans IchemE, Vol. 80, Part A, April 2002.

R. Jachuck, K. Boodhoo and W. Dunk, Influence of Centrifugal Field on Free-Radical Polymerisation Kinetics, Journal of Applied Polymer Science, Vol. 85, 2283-2286 (2002).

D.W. Hall, K. Scott and R.J. Jachuck, Determination of Mass Transfer Coefficients of a Cross Corrugated Membrane Reactor by the Limiting Current Technique, International Journal of Heat and Mass Transfer, 44, 2201-2207 (2001).

J.R. Burns and R. Jachuck, Condensation Studies Using Cross Corrugated Polymer Film Compact Heat Exchanger, Applied Thermal Engineering, 21 (4): 495-510 Mar 2001.

K. Scott, R.J. Jachuck and D.W. Hall, Crossflow Microfiltration of Water-in-Oil Emulsions using Corrugated Membranes, Separation and Purification Technology, 22-23, 431-441 (2001).

Man S.T., Ramshaw C., Scott K., and R. Jachuck, The effect of dehydration in the oxidation of ethylbenzene to acetophenone with supported catalysts, Org Process Res Dev, 5 (3): 204-210, May-June 2001.

K. Boodhoo and R. Jachuck, Process Intensification: Spinning Disc Reactor for Styrene Polymerisation, Applied Thermal Engineering, Vol. 20, 1127-1146 (2000).

K. Sott, A.J. Mahmood, R.J. Jachuck, and B. Hu, Intensified Membrane Filtration with Corrugated Membranes, Journal of Membrane Science, 173, 1-16 (2000).

B. Dunk and R. Jachuck, A Novel Continuous Reactor using UV radiation, Royal Society of Chemistry Journal, February 2000.