A group of people sitting together

Ram Lavie

Professor Emeritus

Personal Info

Ph.D. 1969, Carnegie Mellon University

Research Fields

Analysis, Design, Simulation, Operation and Control of Processes
Periodic Separation Processes and Heat-Mass-Exchange

Research Topics

Thin Layer Extraction
Thin Layer Extraction (TLX) is a novel periodic Liquid-Liquid Extraction method whereby two liquids, one a donor and the second a recipient interact periodically and frequently with a thin layer of an extractant that is immobilized on a thin microporous substrate. The present work focuses on the development of practical implements and applications.


Ram Lavie, “Kinetic Reactive Thin Layer Extraction”,  Ind. & Eng. Chemistry Research, 2014, Vol. 53, Issue 47, pages 18283–18290, DOI:  10.1021/ie5026387.

Ram Lavie, “Kinetic Chiral Resolution by Thin Layer Extraction”, Chemical Engineering Transactions, Vol. 32, 2013, pp.1945-1950, DOI:10.3303/CET1332325.

Lavie R., “Chiral Resolution of Ionic Compounds by Thin Layer Extraction”, Ind. & Eng. Chemistry Research,2011, Vol. 50, Issue 22, pages 12311-12844, DOI: 10.1021/ie201596n.

R. Lavie and S, Wajc, “Chiral Resolution by Thin Layer Extraction”, Chemical Engineering Transactions, 2011, Volume 24, pages 739-744, 2011, DOI: 10.3303/CET1124124.

R. Lavie, ” Thin Layer Extraction – A Novel Liquid-Liquid Extraction Method”, AIChE Journal, Volume 54, Issue 4, Pages 957-964, 2008. DOI: 10.1002/aic.11445

A. Dolev, E. Kehat and R. Lavie, “Intensive Periodic Liquid-Liquid Extraction in a thin Extractant Layer”, Ind. Eng. Chem. Res. Vol. 38 (4),1618-1624 (1999).

J. Rockman, E. Kehat and R. Lavie, “Thermally Enhanced Liquid-Liquid Extraction of Citric Acid through a Supported Liquid Membrane”, AIChE Journal, Vol. 43 (9), 2376-2380 (1997).

G.E. Rotstein, R. Lavie and D.R. Lewin, “Automatic Synthesis of Batch Plant Procedures: A Process-Oriented Approach”. AIChE Journal,.Vol. 40 (10), 1650-1664 (1994).

D.R.Lewin and R.Lavie, “The Identification of Activity Profiles in an Industrial Ammonia Converter”, Chem.Eng.Sci., Vol.40 (8), pp.1393-1399, 1985.

R. Lavie, An Optimal Interaction of Heat and Mass Exchange for the Improvement of Separation Efficiency, Chem. Eng. Sci. Vol. 40 (11), 2019-2025 (1985)

M.M.Denn and R.Lavie, “Dynamics of Plants with Recycle”, The Chemical Engineering Journal, Vol. 24, pp.55-59, 1982.

D. Meir and R.Lavie, “Continuous Cyclic Zone Adsorption”, Chem.Eng.Sci. Vol.29, pp.1133-1138, 1974.