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Email: Click to Mail Phone: (805) 893-5309 Fax: (805) 893-4731 Office Location: 3323 Engineering II Address: To reach Executive Assistant to the Chair, Lia Cabello,
phone 805 893-5438, lia@engineering.ucsb.edu
MAILING ADDRESS:
Professor Michael F. Doherty, Chair
Chemical Engineering Dept.
Mail Code 5080
University of California
Santa Barbara, CA 93106-5080 USA
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Name: Debbie Watts Email: Click to Mail Phone: (805) 893-8692 Fax: (805) 893-4731
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BS: Imperial College, University of London
PhD: Trinity College, University of Cambridge
Honors: 2007 Ruth-Larson Lecture, Iowa State University
2006 Dow-Sharma Lectures, University Institute of Chemical Technology, Bombay, India
2006 Botsaris Lecture (inaugural lecture), Tufts University
2006 Dow-Sharma Lectures, University Institute of Chemical Technology, Bombay, India
2005 Tilak Lecture, University Institute of Chemical Technology, Bombay, India
2004 Featured Educator for 2004, Chemical Engineering Education, 38 (3), 168-173 (2004)
2004 Clarence G. Gerhold Award, Separations Division, AIChE
2004 Excellence in Process Development Research Award, Process Development Division , AIChE (awarded jointly with M. F. Malone)
2004 Alpha Chi Sigma Award for Chemical Engineering Research, AIChE
1998 Samuel F. Conti Faculty Fellowship, University of Massachusetts
1997 Eastman Lecturer, University of Tennessee.
1996 Computing in Chemical Engineering Award, CAST Division of AIChE (awarded jointly with M.F. Malone).
1996 Merck, Sharp and Dohme Lectures, University of Puerto Rico.
1993 Best Paper Award, Computers and Chemical Engineering, for "Computing Azeotropes in Multicomponent Mixtures," by Z. T. Fidkowski, M.F. Malone and M.F. Doherty, 17, 1141-1155 (1993).
1993 Outstanding Senior Faculty Award, College of Engineering, University of Massachusetts
1981 Outstanding Junior Faculty Award, College of Engineering, University of Massachusetts
Research: process design and synthesis, separations, crystal engineering
Methods are being devised for process synthesis and conceptual design of chemical process systems. Topics of current interest include: crystal engineering in support of product and process design for crystalline products; and process systems engineering for hydrocarbon gas-to-liquids conversion. Our approach links the underlying physical and organic chemistry to the structure of the process flowsheet, and involves theoretical, experimental and computational methods. Applications are mainly focused on organic specialty chemicals and pharmaceuticals, with a growing interest in selected inorganic materials for battery and catalysis applications. Our work on gas-to-liquids conversion is performed mainly in collaboration with Gas Reaction Technologies, Inc. of Santa Barbara, CA.
Crystal Engineering for Product and Process Design. Crystal growth is a surface-controlled phenomenon in which solute molecules are incorporated stereo-specifically into surface lattice sites in order to yield the bulk long range order that characterizes crystalline materials. Some key measures of performance for crystalline products include: polymorph (crystal structure), crystal size and shape, and enantiomorph (for chiral mixtures). We are interested in all aspects of manipulating and controlling the properties of crystals, including nucleation, growth, dissolution, polymorph transitions, solvent effects, and the influence of impurities and additives on crystal shape.
Process Synthesis for Crystalline Products. We are interested in both batch and continuous manufacturing processes for crystalline materials. Topics of current interest include: short-cut optimal operating strategies for batch and continuous solids processes, continuous manufacturing of active pharmaceutical ingredients, scale-up of processes for barium titanate nanocrystals and related products.
Online Publication List
2008 Invited Centennial Review "Crystal Shape Engineering," Lovette, M.A., Browning, A.R., Griffin, D.W., Sizemore, J.P., Snyder, R.C. and Doherty, M.F. Ind. Eng. Chem. Res., 47, 9812-9833
2008 Invited Perspective "From Form to Function: Crystallization of Active Pharmaceutical Ingredients," Variankaval, N., Cote, A. and Doherty, M.F. AIChE J., 54, 1682-1688
2008 "Selectivity Versus Conversion and Optimal Operating Policies for Plants with Recycle, " Griffin, D.W., Mellichamp, D.A. and Doherty, M.F. AIChE J., 54, 2597-2609
2008 "Nucleation and Polymorph Selection in a Model Colloidal Fluid," Browning, A.R., Doherty, M.F. and Fredrickson, G.H. Phys. Rev. E, 17, 041604-1 to 041604-6
2007 "Faceted Crystal Shape Evolution During Dissolution or Growth," Snyder, R.C. and Doherty, M.F. AIChE J., 53, 1337-1348
2006 "Shape Evolution of 3-Dimensional Faceted Crystals," Zhang, Y. Z., Sizemore, J. P. and Doherty, M. F. AIChE J., 52, 1906-1915
