1.

Adsorption with Lateral Interactions on Heterogeneous Surfaces," Physics Department, South Dakota School of Mines and Technology, Rapid City, SD, December, 1991.

2.

"Hydrogen Generation during High Level Radioactive Waste Treatment with Formic Acid", Cleveland State University, Cleveland, OH, March 1992.

3.

"Hydrogen Generation during High Level Radioactive Waste Treatment with Formic Acid", University of Missouri-Columbia, Columbia, MO, November 1992.

4.

"Steam Stripping Organics from Water: Unsteady-State Modeling Study", University of Oklahoma, Norman, OK, March 1993.

5.

"Model for Laterally Interacting Adsorbed Gas Mixtures on Heterogeneous Surfaces", University of South Carolina, Columbia, SC, April 1993.

6.

“Solvent Vapor Recovery by Pressure Swing Adsorption”, The BOC Group Technical Center, Murray Hill, NJ, June 1997.

7.

“New Field Enhanced Separation Processes for the Removal of Metal Species from Aqueous Solutions,” New Mexico State University, Las Cruces, NM, February 1998.

8.

“Adsorption Process Research for Separation and Purification”, University of Texas at Austin, Austin, TX, October 1998.

9.

“Nanolevel High Gradient Magnetic Separation,” Idaho National Engineering and Environmental Laboratory, Idaho Falls, ID, May 1999.

10.

“Equilibrium Theory Analyses of Novel Pressure Swing Adsorption Cycles for High Heavy Component Enrichment,” Kumamoto University, Kumamoto, Japan, May 2001.

11.

“Hydrogen Storage, A Roadblock to the Hydrogen Economy,” Clemson University, Clemson, SC, April 2002.

12.

“What Can Possibly Be Exciting and New About Pressure Swing Adsorption,” Universidade Federal Do Ceara, Fortaleza, Brazil, May 2002.

13.

“Quest for a Viable Hydrogen Storage Material for Automotive Applications,” University of Florida, Gainesville, Florida, December 2003.

14.

“Is Hydrogen Storage Truly a Roadblock to the Hydrogen Economy?” Purdue University West Lafayette, Indiana, March 2004.

15.

“Complex Hydrides for Hydrogen Storage,” Cooperate Research Department, General Electric, Schenectady, New York, April 20, 2004.

16.

“Complex Hydride Hydrogen Storage Materials, Metal Hydride Hydrogen Storage Vessels, and PSA H₂ Purification Systems,” Plug Power, May 2004.

17.

“Pressure Swing Adsorption (PSA) Technology: Overview and New Developments,” Exxon Mobil, May 2004.

18.

“Reflux Cycles for Adsorption Processes,” Air Products and Chemicals, July 2004.

19.

“Hydrides for Hydrogen Storage and Delivery,” Air Products and Chemicals, July 2004.

20.

“Carbon Dioxide Sequestration and Adsorbents,” Air Products and Chemicals, July 2004.