Dr. Lee's Biography
Supercritical Fluid Technology
Polymerization & Polymer Processing
Water Treatment and Purification
Chlorine Dioxide Technology
Clean and Alternative Fossil Fuel Technologies
Analysis and Characterization
Publications & Patents
In The News
Virtual Lab Tour
Our research in the field of alternative fuels spans coal cleaning and gasification to methanol and dimethylether(DME) synthesis from syngas, followed by its subsequent conversion to value-added chemicals, as well as liquid transportation fuels. The process technology involving methanol, DME, and synthetic gasoline/diesel is also adaptable to biomass syngas. The C1-chemistry expertise has been applied to efficient hydrogen generation technology and bioethanol conversion technology, in addition to the processing and utilization of biomass and crop oils.
Coal Cleaning research encompasses desulfurization of coal, mercury removal, carbon dioxide gasification, and production/utilization of coal byproducts.
Lee's group has been involved in a number of pre-combustion coal cleaning process development projects sponsored by the Electric Power Research Institute (EPRI), Ohio Coal Development Office (OCDO), Department of Energy (U.S. DOE), Babcock and Wilcox (B&W), and Midwest Ore Processing Company (MOPC). These processes include MOPC's perchloroethylene (PCE) coal refining process, Organodesulfurization of coal by synergistic supercritical fluid mixtures, B&W's Magnetohydrodynamic (MHD) Seed recovery and regeneration process, and Heavy media coal cleaning process. Even though none of these processes are currently in industrial operation, the MOPC's PCE coal refining process had been demonstrated using a 100 tons/day pilot-scale plant located in Plainville, IN. Further, the novel idea of using synergistic supercritical fluid mixture has inspired development of many invaluable chemical process technologies including the Goodyear's spent rubber devulcanization process.
Our contributions in the area of methanol synthesis from CO-rich as well as H2-rich syngas have been quite comprehensive. Funding for this research began from the early 1980s by EPRI (Electric Power Research Institute) for methanol synthesis and continued for more than a decade. Recent funding for novel hydrogen generation process development has been provided by the U.S. Army, U.S. Department of Transportation, National University Transportation Center, AirForce Research Lab (AFRL), Radian, Inc., and DRS Technical Services, Inc.
Through the past 30 years, salient features of our process research include:
Dr. Lee has authored the following books which comprehensively cover the technical aspects of alternative fuels and feedstocks.
S. Lee, Author, "Methanol Synthesis Technology", CRC Press, Boca Raton, FL, ISBN-0-8493-4610-X, 1990.
S. Lee, Author, "Oil Shale Technology", CRC Press, Boca Raton, FL, ISBN-0-8493-4615-0, 1991.
S. Lee, Author, "Methane and Its Derivatives", Marcel Dekker, Inc., New York, NY, ISBN-0-8247-9754-X, 1997.
S. Lee, Author, "Alternative Fuels", Taylor & Francis, Washington, D.C., ISBN-1-56032-361-2, 1997.
S. Lee, J. G. Speight, and S. K. Loyalka, "Handbook of Alternative Fuel technologies", CRC Press, Boca Raton, FL, ISBN 0-8247-4069-6, 2007.
S. Lee and Y.T. Shah, "Biofuels and Bioenergy: Processes and Technologies," CRC Press, Boca Raton, FL, 2012.
Authoritative reviews on a variety of issues of processing of conventional and alternative fuels by worldwide scholars are also presented in the Encyclopedia of Chemical Processing (2006) by Taylor & Francis Inc. Dr. Lee is the Editor of this encyclopedia. Currently, 5 large volumes with over 350 chapters are available both in print and on-line. More up-to-date topical entries of scientific and technological significance are constantly added as quarterly on-line updates.