Charles G. Hill, Jr. John T. and Magdalen L. Sobota Professor Emeritus Address/E-mail Program Affiliations Courses Education Fields of Interest Publications Awards & Honors Summary

Contact Information

1004 Engineering Hall 1415 Engineering Drive Madison, WI 53706

Tel: 608/263-4593 E-mail: hill@engr.wisc.edu

Program Affiliations

• Chemical and Biological Engineering
• Food Science

• Biotechnology Center
• Center for Dairy Research

Courses

• CBE 424: Operations and Process Laboratory
• CBE 430: Chemical Kinetics and Reactor Design
• CBE 535: Heterogeneous Catalysis: Principles and Applications
• CBE 735: Kinetics and Catalysis

Education

• S.B., S.M., Sc.D., Massachusetts Institute of Technology

Fields of Interest

• immobilized enzyme technology
• kinetics and catalysis
• membrane separations
• photocatalysis
• wood adhesives
• new bleaching technology

Publications

• An Introduction to Chemical Engineering Kinetics and Reactor Design, John Wiley and Sons, 1977.
• "Hydrolysis of Butteroil by Immobilized Lipase Using a Hollow-Fiber Reactor: Part VI. Multiresponse Analyses of Temperature and pH Effects," (with F.X. Malcata and C.H. Amundson), Biocatalysis, 8, 201-228 (1993).
• "Improving the Continuous Production of Lipolyzed Butteroil with Pregastric Esterases Immobilized in a Hollow Fiber Reactor," (with H.S. Garcia), Biotechnology Techniques, 9, 467 (1995).
• "Effectiveness Factors for Photocatalytic Reactions Occurring in Planar Membranes," (with M.E. Edwards, C.M. Villa and T.W. Chapman), Ind. Eng. Chem. Research, 3, 712 (1996).
• "Hydrolysis of Menhaden Oil by a Candida cylindracea Lipase Immobilized in a Hollow Fiber Reactor," (K.E. Rice, J. Watkins and C.G. Hill, Jr.), Biotechnology and Bioengineering, 63, 33-45 (1999).
• "Continuous Interesterification of Butteroil and Conjugated Linoleic Acid in a Tubular Reactor Packed with an Immobilized Lipase," (H.S. Garcia, K.J. Keough, J.A. Arcos, and C.G. Hill, Jr.), Biotechnology Techniques, 13, 369-373 (1999).
• “Biotechnology for the Production of Nutraceuticals Enriched in Conjugated Linoleic Acid: 2. Multiresponse Kinetics of the Hydrolysis of Corn Oil by a Pseudomonas sp lipase Immobilized in a Hollow Fiber Reactor,” (P.S. Sehanputri and C.G. Hill, Jr.), Biotechnology and Bioengineering, 69, 450-456 (2000).
• "Rapid Solvent-Free Esterification of Conjugated Linoleic Acid and Glycerol in a Packed-Bed Reactor Containing an Immobilized Lipase," (J.A. Arcos and C.G. Hill, Jr.), Surface Science and Catalysis, 130, 3405-3410 (2000).
• "Enhanced Wet Air Oxidation: Synergistic Rate Accceleration upon Effluent Recirculation,” (M.J. Birchmeier, C.G. Hill, Jr., C.J. Houtman, R.H. Atalla, and I.A. Weinstock), Industrial and Engineering Chemistry Research, 39, 55-64 (2000).
• "Continuous Enzymatic Esterification of Glycerol with (Poly)unsaturated Fatty Acids in a Packed Bed Reactor," (J.A. Arcos, H. S. Garcia, and C.G. Hill, Jr.), Biotechnology and Bioengineering, 68, 563 – 570 (2000).
• "Photocatalytic Oxidation as a Secondary Treatment Method Following Wet Air Oxidation," (J.E. Duffy, M.A. Anderson, C.G. Hill Jr., and W.A. Zeltner), Industrial and Engineering Chemistry Research, 39, 3698-3706 (2000).
• "Wet Peroxide Oxidation of Sediments Contaminated with PCB’s," (J.E. Duffy, M.A. Anderson, C.G. Hill, Jr., and W.A. Zeltner), Environmental Science and Technology, 34, 3199-3204 (2000).
• "Synthesis of Glycerides Containing n-3 Fatty Accids and Conjugated Linoleic Acid by Solvent-Free Acidolysis of Fish Oil," (H.S. Garcia, J.A. Arcos, D.J. Ward, and C.G. Hill, Jr.), Biotechnology and Bioengineering, 70, 587-591 (2000).
• "Effect of pH on the Production of Lipolyzed Butteroil by a Calf Pregastric Esterase Immobilized in a Hollow Fiber Reactor, II. Multiresponse Kinetics," ( L. P. Lessard and C.G. Hill, Jr.), Biotechnology and Bioengineering, 70, 332-341 (2000).
• "Enzymatic Synthesis and Hydrolysis Reactions of Acylglycerols in Solvent-Free Systems," (C. Otero, J.A. Arcos, H.S. Garcia, and C.G. Hill, Jr.), in Methods in Biotechnology, edited by E.N. Vulfson, P.J. Halling, and H.L. Holland, Humana Press, Totowa NJ (2001).
• "Immobilized Lipase Mediated Acidolysis of Butteroil with Conjugated Linoleic Acid: Batch Reactor and Packed Bed Reactor Studies," (J.A. Arcos, H.S. Garcia, K.J. Keough, and C.G. Hill, Jr.), Journal of Molecular Catalysis, B. Enzymatic, 11, 623-632 (2001).
• “Lipolysis of Butteroil by Immobilized Lamb Pregastric Esterase: 1. Uniresponse Kinetics – pH and Temperature Effects,” ( C.G. Hill, Jr., S. Ghannouchi, and H.S. Garcia), Journal of Dairy Science, 84, 1034-1043 (2001).

Selected Awards, Honors and Societies

• Thirteen Polygon Outstanding Instructor Awards
• Outstanding teaching awards: Amoco (1979), Tau Beta Pi (1983), Benjamin Smith Reynolds (1983), and AIChE student chapter (1996, 1997, 2000)
• Merck, Sharp & Dohme Lectures (1993)
• AIChE Fellow (1993)
• University of Wisconsin Teaching Academy (1994)
• John and Magdalen Sobota Professor of Chemical Engineering (1995)
• USDA Group Honor Award for Excellence (1996)
• Visitante Distinguido Award from the Heroica Ciudad de Veracruz, Mexico (1997)
• Fulbright Senior Scholar (Spain) (2000)

Summary

The graduate students who work with me are concerned primarily with fundamental problems in the areas of immobilized enzyme technology, photocatalysis, permselective ceramic membranes and composite wood products, or with applying chemical engineering principles in innovative solutions to problems of the dairy and wood products industries. Our various projects employ a variety of modern physical and chemical instrumental techniques to characterize the systems of interest.

Students who are working jointly with Professor Marc Anderson (Water Chemistry) and me are concerned with both fundamental studies of the use of "sol-gel" technology to fabricate ceramic membranes and the practical applications of these membranes. Our perm-selective membranes have significant potential for use in harsh environments in which the lifetimes of conventional polymeric membranes would be too short to make their use practical. Our photocatalytic ceramic membrane technology is evolving rapidly and has important implications with respect to remediation of environmental problems.

Another applied component of our research program has involved using membrane processes (e.g., ultrafiltration, reverse osmosis and electrodialysis) and immobilized enzyme reactors to develop new technology for applications of interest to the dairy industry. Current studies focus on the use of immobilized lipases to both effect changes in the composition of milkfat and to generate products for flavoring a wide variety of processed foods.

A related research thrust involves modification of naturally occurring fats and oils to produce nutraceuticals [foods which confer both nutritional and therapeutic or preventative medicinal values].

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