1.

J. A. Ritter and R. T. Yang, "Equilibrium Adsorption of Multicomponent Gas Mixtures at Elevated Pressures," Ind. Eng. Chem. Res., 26, 1679-1686, (1987).

2.

J. A. Ritter and R. T. Yang, "Thermodynamic Analysis for Rapid Measurements of Equilibrium Adsorption from Binary Gas Mixtures," Ind. Eng. Chem. Res., 28, 599-608 (1989).

3.

A. Kapoor, J. A. Ritter and R. T. Yang, "On the Dubinin-Radushkevich Equation for Adsorption in Microporous Solids in the Henry's Law Region," Langmuir, 5, 1118-1121 (1989).

4.

A. Kapoor, J. A. Ritter and R. T. Yang, "An Extended Langmuir Model for Adsorption of Gas Mixtures on Heterogeneous Surfaces," Langmuir, 6, 660-664 (1990).

5.

J. A. Ritter, A. Kapoor and R. T. Yang, "Localized Adsorption with Lateral Interaction on Random and Patchwise Heterogeneous Surfaces," J. Phys. Chem., 94, 6785-6791 (1990).

6.

Y. D. Chen, J. A. Ritter and R. T. Yang, "Nonideal Adsorption from Multicomponent Gas Mixtures at Elevated Pressures on a 5A Molecular Sieve," Chem. Eng. Sci., 45, 2877-2894 (1990).

7.

J. A. Ritter and R. T. Yang, "Equilibrium Theory for Hysteresis Dependent Fixed Bed Desorption," Chem. Eng. Sci., 46, 563-574 (1990).

8.

J. A. Ritter and R. T. Yang, "Pressure Swing Adsorption: Experimental and Theoretical Study on Air Purification and Vapor Recovery," Ind. Eng. Chem. Res., 30, 1023-1032 (1991).

9.

J. A. Ritter and R. T. Yang, "Air Purification and Vapor Recovery by Pressure Swing Adsorption:  Comparison of Silicalite and Activated Carbon," Chem. Eng. Commun., 108, 289-305 (1991).

10.

E. S. Kikkinides, J. A. Ritter and R. T. Yang, "Pressure Swing Adsorption for Simultaneous Purification and Sorbate Recovery," J. Chin. Inst. Chem. Eng., 22, 399-407 (1991).

11.

J. A. Ritter and J. P. Bibler, "Removal of Mercury from Waste Water: Large Scale Performance of an Ion Exchange Process," Wat. Sci. Tech., 25, 165-172 (1992).

12.

J. A. Ritter, J. R. Zamecnik, N. D. Hutson, M. E. Smith and J. T. Carter, "High-Level Radioactive Waste Vitrification Technology and Its Applicability to Industrial Waste Sludges," Wat. Sci. Tech., 25, 269-271 (1992).

13.

J. A. Ritter, J. R. Zamecnik and C. W. Hsu, "Hydrogen Generation During Treatment of Simulated High-Level Radioactive Waste with Formic Acid," Nuclear Technology, 104, 330-342 (1993).

14.

Y. Liu and J. A. Ritter, "Pressure Swing Adsorption-Solvent Vapor Recovery:  Process Dynamics and Parametric Study," Ind. Eng. Chem. Res., 35, 2299-2312 (1996).

15.

W. Hsu and J. A. Ritter, "Treatment of Simulated High Level Radioactive Waste with Formic Acid:  Bench-Scale Study on Hydrogen Evolution," Nuclear Technology, 116, 196-207 (1996).

16.

W. Hsu and J. A. Ritter, "Combined Use of Nitric and Formic Acids to Reduce Hydrogen Emissions During Treatment of High Level Radioactive Waste,” Nuclear Technology, 116, 360-365 (1996).

17.

Y. Liu and J. A. Ritter, “Fractional Factorial Design Study of a Pressure Swing Adsorption-Solvent Vapor Recovery Process,” Adsorption, 3, 151-163 (1997).

18.

Y. Liu and J. A. Ritter, “Evaluation of Model Approximations in Simulating Pressure Swing Adsorption-Solvent Vapor Recovery”, Ind. Eng. Chem. Res., 36, 1767-1778 (1997).

19.

C. Lin, J. A. Ritter, and M. A. Amiridis, "Effect of Thermal Treatment on the Nanostructure of SiO₂-Al₂O₃ Xerogels,” J. Non-Crystall. Solids., 215, 146-154 (1997).

20.

D. Subramanian and J. A. Ritter, "Equilibrium Theory for Solvent Vapor Recovery by Pressure Swing Adsorption:  Analytical Solution for Process Performance", Chemical Engineering Science, 52, 3147-3160 (1997).

21.

R. Zhang and J. A. Ritter, “New Approximate Model for Nonlinear Adsorption and Diffusion in a Single Particle,” Chemical Engineering Science, 52, 3161-3172 (1997).

22.

A. D. Ebner, J. A. Ritter, and H. J. Ploehn, “Feasibility and Limitations of Nanolevel High Gradient Magnetic Separation”, Separation and Purification Technology, 11, 199-210 (1997).

23.

C. Lin and J. A. Ritter, “Effect of Synthesis pH on the Structure of Carbon Xerogels,” Carbon, 35, 1271-1278 (1997).

24.

J. Skvoretz, S. Ortaldo, J. A. Ritter and J. H. Wong, “Adsorption Characteristics of Carbon Filter Materials,” Advances in Filtration Technology, 11, 244-251 (1997).

25.

Y. Liu and J. A. Ritter, “Periodic State Heat Effects in Pressure Swing Adsorption-Solvent Vapor Recovery,” Adsorption, 4, 159-172 (1998).

26.

S. A. Al-Muhtaseb and J. A. Ritter, “New Virial-Type Model for Predicting Single and Multicomponent Isosteric Heats of Adsorption,” Ind. Eng. Chem. Res., 37, 684-696 (1998).

27.

H. Pan, J. A. Ritter and P. B. Balbuena, “Isosteric Heats of Adsorption on Carbon Predicted by Density Functional Theory,” Ind. Eng. Chem. Res., 37, 1159-1166 (1998).

28.

D. Subramanian and J. A. Ritter, "Equilibrium Theory for Binary Solvent Vapor Recovery by Pressure Swing Adsorption:  Conceptual Process Design for Separation of the Lighter Component,” Chemical Engineering Science, 53, 1295-1305 (1998).

29.

T. J. Bandosz, C. Lin and J. A. Ritter, “Porosity and Surface Acidity of SiO₂-Al₂O₃ Xerogels,” J. Colloid and Interface Science, 198, 347-353 (1998).

30.

J. A. Ritter, Y. Liu and D. Subramanian, "New Vacuum Swing Adsorption Cycles for Air Purification with the Feasibility of Complete Clean-Up," Ind. Eng. Chem. Res., 37, 1970-1976 (1998).

31.

J. A. Ritter and Y. Liu, “Tapered Pressure Swing Adsorption Columns for Simultaneous Air Purification and Solvent Vapor Recovery,” Ind. Eng. Chem. Res., 37, 2783 (1998).

32.

A. D. Ebner, J. A. Ritter and B. N. Popov, "Potentially Enhanced Complexation Model for the Determination of Isopotential Equilibrium Curves,” J. Colloid and Interface Science, 203(2), 488 (1998).

33.

Y. Liu, C. E. Holland and J. A. Ritter, “Pressure Swing Adsorption-Solvent Vapor Recovery-I:  Experimental Transient and Periodic Dynamic Behavior of the Butane-Activated Carbon System,” Sep. Sci. Tech., 33, 2311 (1998).

34.

S. A. Al-Muhtaseb and J. A. Ritter. "Further Modification of the Antoine Equation for Correlation of Adsorption Equilibria,” Langmuir, 14, 5317-5323 (1998).

35.

Y. Liu, C. E. Holland and J. A. Ritter, “Pressure Swing Adsorption-Solvent Vapor Recovery-II:  Experimental Periodic Performance of the Butane-Activated Carbon System,” Sep. Sci. Tech., 33, 2431 (1998).

36.

Y. Liu, J. Delgado and J. A. Ritter, “Comparison of Finite Difference Techniques for Simulating Pressure Swing Adsorption,” Adsorption, 4, 337-344  (1998).

37.

C. Lin, J. A. Ritter and B. N. Popov, “Characterization of Sol-Gel Derived Cobalt Oxide Xerogels as Electrochemical Capacitors,” J. Electrochemical Society, 145, 4091-4103 (1998).

38.

H. Pan, J. A. Ritter and P. B. Balbuena, “Examination of the Approximations Used in Determining the Isosteric Heat of Adsorption from the Clausius Clapeyron Equation,” Langmuir, 14, 6323-6327 (1998).

39.

J. A. Ritter and S. A. Al-Muhtaseb, “New Model that Describes Adsorption of Laterally Interacting Gas Mixtures on Random Heterogeneous Surfaces: I.  Parametric Study and Correlation with Binary Data” Langmuir, 14, 6528-6538 (1998).

40.

G. G. Botte, R. Zhang and J. A. Ritter, ” On the Use of Different Parabolic Concentration Profiles for Nonlinear Adsorption and Diffusion in a Single Particle,” Chemical Engineering Science, 53, 4135-4146 (1998).

41.

42.

D. Subramanian, J. A. Ritter and Y. Liu, "Equilibrium Theory for Solvent Vapor Recovery by Pressure Swing Adsorption:  Analytic Solution with Velocity Variation and Gas Phase Capacity,” Chemical Engineering Science, 54, 475-481 (1999).

43.

Y. Liu, C. E. Holland and J. A. Ritter, “Pressure Swing Adsorption-Solvent Vapor Recovery-III:  Comparison of Simulation with Experiment for the Butane-Activated Carbon System,” Sep. Sci. Tech., 34, 1545-1576 (1999).

44.

A. D. Ebner, J. A. Ritter, H. J. Ploehn, R. L. Kochen and J. D. Navratil “New Magnetic Field Enhanced Process for the Treatment of Aqueous Wastes,” Sep. Sci. Tech., 34, 1277- 1300 (1999).

45.

A. D. Ebner, J. A. Ritter and L. Nunez, “High Gradient Magnetic Separation for the Treatment of High Level Radioactive Wastes,” Sep. Sci. Tech., 34, 1333-1350 (1999).

46.

J. Shen, A. D. Ebner and J. A. Ritter, “Points of Zero Charge and Intrinsic Equilibrium Constants of Silica-Magnetite Composite Oxides,” J. Colloid and Interface Science, 214, 333-343 (1999).

47.

H. Pan, J. A. Ritter and P. B. Balbuena, “Binary Isosteric Heats of Adsorption in Carbon Predicted from Density Functional Theory,” Langmuir, 15, 4570-4578 (1999).

48.

S. A. Al-Muhtaseb and J. A. Ritter. "Roles of Surface Heterogeneity and Lateral Interactions on the Isosteric Heat of Adsorption and Adsorbed Phase Heat Capacity,” J. Phys. Chem. B., 13, 2467-2479 (1999).

49.

G. G. Botte, R. Zhang and J. A. Ritter, “New Approximate Model for Nonlinear Adsorption and Concentration Dependent Surface Diffusion in a Single Particle,” Adsorption, 5, 373-380 (1999).

50.

C. Lin, J. A. Ritter and B. N. Popov, “Development of Carbon-Metal Oxide Supercapacitors from Sol-Gel Derived Carbon-Ruthenium Xerogels,” J. Electrochemical Society, 146, 3155-3160 (1999).

51.

C. Lin, J. A. Ritter, B. N. Popov and R. E. White, “A Mathematical Model of an Electrochemical Capacitor with Double Layer and Faradaic Processes,” J. Electrochemical Society, 146, 3168-3175 (1999).

52.

C. Lin, J. A. Ritter and B. N. Popov, “Correlation of the Double-Layer Capacitance with the Pore Structure of Sol-Gel Derived Carbon Xerogels,” J. Electrochemical Society, 146, 3639-3643 (1999).

53.

S. A. Al-Muhtaseb and J. A. Ritter, “A Statistical Mechanic Perspective on the Temperature Dependence of the Isosteric Heat of Adsorption and Adsorbed Phase Heat Capacity,” J. Phys. Chem. B., 103, 8104-8115 (1999).

54.

S. A. Al-Muhtaseb and J. A. Ritter, “New Model that Describes Adsorption of Laterally Interacting Gas Mixtures on Random Heterogeneous Surfaces. 2.  Correlation of Complex Binary and Prediction of Multicomponent Adsorption Equilibria,” Langmuir, 15, 7732-7744 (1999).

55.

P. Yu, J. A. Ritter, R. E. White and B. N. Popov, “Ni-Composite Microencapsulated Graphite as the Negative Electrode in Lithium-Ion Batteries I. Initial Irreversible Capacity Study,” J. Electrochemical Society, 147, 1280-1285 (2000).

56.

Y. Liu, J. A. Ritter and B. K. Kaul, “Pressure Swing Adsorption Cycles for Improved Solvent Vapor Enrichment,” AIChE Journal, 46, 540-551 (2000).

57.

C. Lin and J. A. Ritter, “Carbonization and Activation of Sol-Gel Derived Carbon Xerogels,” Carbon, 38, 849-861 (2000).

58.

P. Yu, J. A. Ritter, R. E. White, and B. N. Popov, “Ni-Composite Microencapsulated Graphite as the Negative Electrode in Lithium-Ion Batteries II. Electrochemical Impedance and Self-Discharge Studies,” J. Electrochemical Society, 147, 2081-2085 (2000).

59.

A. D. Ebner, J. A. Ritter, H. J. Ploehn, “Magnetic Hetero-Flocculation of Paramagnetic Colloidal Particles,” J. Colloid and Interface Science, 225, 39-46 (2000).

60.

Y. Liu, J. A. Ritter and B. K. Kaul, “Simulation of Gasoline Vapor Recovery by Pressure Swing Adsorption,” Separation and Purification Technology, 20, 111-127 (2000).

61.

P. Yu, B. S. Haran, J. A. Ritter, R. E. White and B. N. Popov, “Palladium Microencapsulated Graphite as the Negative Electrode in Li-Ion Cells,” J. Power Sources, 91, 107-117 (2000).

62.

G. G. Botte, J. A. Ritter and R. E. White, “Comparison of Finite Difference and Control Volume Methods for Solving Differential Equations,” Computers and Chemical Engineering, 24, 2633-2654 (2000).

63.

S. A. Al-Muhtaseb, M. D. LeVan and J. A. Ritter, “On the Correlation of Modified Antoine’s Adsorption Isotherm Models with Experimental Data,” Langmuir, 16, 8536-8538 (2000).

64.

S. A. Al-Muhtaseb, C. E. Holland and J. A. Ritter, “Adsorption of C₁ to C₇ Normal Alkanes on BAX Activated Carbon: 2. Statistically-Optimized Approach for Deriving Thermodynamic Properties from the Adsorption Isotherm”, Ind. Eng. Chem. Res., 40, 319-337 (2001).

65.

C. E. Holland, S. A. Al-Muhtaseb, and J. A. Ritter, "Adsorption of C₁ to C₇ Normal Alkanes on BAX Activated Carbon: 1. Potential Theory Correlation and Adsorbent Characterization,” Ind. Eng. Chem. Res., 40, 338-346 (2001).

66.

A. D. Ebner and J. A. Ritter, “New Correlation for the Capture Cross Section in High Gradient Magnetic Separation,” AIChE Journal, 47, 303-313 (2001).

67.

C. M. Parlor, J. A. Ritter and M. D. Amiridis, “Infrared Spectroscopic Study of Sol-Gel Derived Mixed-Metal Oxides,” J. Non-Cryst. Solids, 279, 119-125 (2001).

68.

A. D. Ebner, J. A. Ritter and J. D. Navratil, “Adsorption of Cesium, Strontium and Cobalt Ions on Magnetite and Magnetite-Silica Composite,” Ind. Eng. Chem. Res., 40, 1615-1623 (2001).

69.

V. R. Subramanian, J. A. Ritter and R. E. White, “Approximate Solutions for Galvanostatic Discharge of Spherical Particles – 1. Constant Diffusion Coefficient, J. Electrochemical Society, 148, E444-E449 (2001).

70.

A. M. Puziy, O. I. Poddubnaya, J. A. Ritter, A. D. Ebner and C. E. Holland, “Elucidation of the Ion Binding Mechanism in Heterogeneous Carbon Composite Adsorbents,” Carbon, 39, 2313-2324 (2001).

71.

S. A. Gadre and J. A. Ritter, “New Analytical Solution for Nonlinear Adsorption and Diffusion in a Single Particle, Chem. Eng. Sci., 57, 1197-1204 (2002).

72.

E. J. Zanto, S. A. Al-Muhtaseb and J. A. Ritter, “Sol-Gel Derived Carbon Aerogels and Xerogels: Design of Experiments Approach to Materials Synthesis,” Ind. Eng. Chem. Res., 41, 3151-3162 (2002).

73.

J. A. McIntyre, C. E. Holland and J. A. Ritter, "High Enrichment and Recovery of Dilute Hydrocarbons by Dual Reflux Pressure Swing Adsorption,” Ind. Eng. Chem. Res., 41, 3499-3504 (2002).

74.

K. D. Daniel and J. A. Ritter, “Equilibrium Theory Analysis of a Pressure Swing Adsorption Cycle Utilizing an Unfavorable Langmuir Isotherm.  1.  Periodic Behavior,” Ind. Eng. Chem. Res., 41, 3676-3687 (2002).

75.

A. D. Ebner and J. A. Ritter, “Equilibrium Theory Analysis of a Rectifying Pressure Swing Adsorption Process for Producing Pure Heavy Component,” AIChE Journal, 48, 1679-1691 (2002).

76.

S. A. Gadre and J. A. Ritter, “New Model for Nonlinear Adsorption and Diffusion Based on a Quartic Concentration Profile Approximation,” Ind. Eng. Chem. Res., 41, 4353-4361 (2002).

77.

A. D. Ebner and J. A. Ritter, Concentrating Dilute Sludge Wastes with High Gradient Magnetic Separation: Breakthrough Experiments and Performance, Ind. Eng. Chem. Res., 41, 5049-5057 (2002).

78.

A. D. Ebner, J. A. Ritter, and H. J. Ploehn, “Magnetic Field Orientation and Spatial Effects on the Retention of Paramagnetic Nanoparticles with Magnetite,” Sep. Sci. Tech., 37, 3727-3753 (2002).

79.

S. A. Al-Muhtaseb and J. A. Ritter, “Preparation and Properties of Resorcinol-Formaldehyde Organic and Carbon Gels,” Advanced Materials, 15, 101-114 (2003).

80.

S. A. Gadre, A. D. Ebner, S. A. Al-Muhtaseb and J. A. Ritter, “Practical Modeling of Metal Hydride Hydrogen Storage Systems,” Ind. Eng. Chem. Res., 42, 1713-1722 (2003).

81.

M. Yoshida, J. A. Ritter, A. Kodama, M. Goto and T. Hirose, “Enriching Reflux and Parallel Equalization-PSA Process for Concentrating Trace Components in Air,” Ind. Eng. Chem. Res., 42, 1795-1803 (2003).

82.

K. D. Daniel and J. A. Ritter, “Equilibrium Theory Analysis of a Pressure Swing Adsorption Cycle Utilizing an Unfavorable Langmuir Isotherm.  2.  Approach to Periodic Behavior,” Ind. Eng. Chem. Res., 42, 3381-3390 (2003).

83.

C. Lin, S. A. Al-Muhtaseb and J. A. Ritter, “Thermal Treatment of Sol-Gel Derived Nickel Oxide Xerogels,” J. Sol-Gel Science and Technology, 28, 133-141 (2003).

84.

J. A. Ritter, A. D. Ebner, J. Wang and R. Zidan, “Implementing a Hydrogen Economy,” Materials Today, September, 18-23 (2003).

85.

J. A. Ritter, A. D. Ebner, K. D. Daniel, and K. L. Stewart, “Application of High Gradient Magnetic Separation Principles to Magnetic Drug Targeting,” J. Magnetism and Magnetic Materials, in press (2004).

86.

A. D. Ebner and J. A. Ritter, “Equilibrium Theory Analysis of Dual Reflux PSA for Separation of a Binary Mixture,” AIChE Journal, in press (2004).

87.

Z. Jiang, R. A. Dougal, S. Liu, S. A. Gadre, A. D. Ebner and J. A. Ritter, “Simulation of a Thermally-Coupled Metal Hydride Hydrogen Storage and Fuel Cell System,” IEEE Trans. Energy Conversion, in press (2004).

88.

A. D. Ebner and J. A. Ritter, “Retention of Iron Oxide Particles by Stainless Steel and Magnetite Magnetic Matrix Elements,” Sep. Sci. Tech., in press (2004).

89.

A. D. Ebner and J. A. Ritter, “Retention of Paramagnetic Particles by Magnetite Particle Clusters with Multifunctional Character,” Sep. Sci. Tech., in press (2004).

90.

H. Chen, A. D. Ebner, A. J. Rosengart, M. D. Kaminski, and J. A. Ritter, “Analysis of Magnetic Drug Carrier Particle Capture by a Magnetizable Intravascular Stent. Part 1: Parametric Study with Single Wire Correlation,” J. Magnetism and Magnetic Materials, in press (2004).

91.

S. A. Al-Muhtaseb, K. D. Daniel and J. A. Ritter, “Measurement and Analysis of Adsorption Dynamics and Their Dependence on the Operating Conditions,” Ind. Eng. Chem. Res., submitted (2004).

92.

H. Chen, A. D. Ebner, A. J. Rosengart, M. D. Kaminski, and J. A. Ritter, “Analysis of Magnetic Drug Carrier Particle Capture by a Magnetizable Intravascular Stent. Part 2: Effect of Non-Stent System Parameters,” J. Magnetism and Magnetic Materials, submitted (2004).

93.

H. Chen, A. D. Ebner, J. A. Ritter, M. D. Kaminski, and A. J. Rosengart, “Analysis of Magnetic Drug Carrier Particle Capture by a Magnetizable Intravascular Stent. Part 3: Effect of Stent Design Parameters,” J. Magnetism and Magnetic Materials, submitted (2004).

94.

M. O. Aviles, A. D. Ebner, H. Chen, A. J. Rosengart, M. D. Kaminski, and J. A. Ritter, “Theoretical Analysis of a Transdermal Ferromagnetic Implant for Retention of Magnetic Drug Carrier Particles,” J. Magnetism and Magnetic Materials, submitted (2004).

95.

S. P. Reynolds, A. D. Ebner and J. A. Ritter, New Pressure Swing Adsorption Cycles for Carbon Dioxide Sequestration,” Adsorption, submitted (2004).

96.

J. Wang, A. D. Ebner and J. A. Ritter, On the Reversibility of Hydrogen Storage in Novel Complex Hydrides,” Adsorption, submitted (2004).

97.

S. A. Gadre, A. D. Ebner and J. A. Ritter, “Two Dimensional Model for the Design of Metal Hydride Hydrogen Storage Systems,” Adsorption, submitted (2004).

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.

1.

J. A. Ritter, A. D. Ebner, R. Zidan, J. Wang and C. E. Holland, “Effect of Graphite on Metal-Doped Sodium Aluminum Hydride as a Reversible Hydrogen Storage Material, USC/SRNL, patent application submitted, July 2004.

1.

Z. Pan, R. T. Yang and J. A. Ritter, "Kinetic Separation of Air by Pressure Swing Adsorption," in New Directions in Sorption Technology, (G. E. Keller and R. T. Yang, eds.), Amer. Chem. Soc., Washington, DC (1989).

2.

J. A. Ritter, N. D. Hutson, J. R. Zamecnik and J. T. Carter, "Immobilization of Simulated High-Level Radioactive Waste in Borosilicate Glass: Pilot Scale Demonstrations," in Nuclear Waste Management IV, Ceramic Transactions, Vol. 23 (G. G. Wicks, D. F. Bickford and L. R. Bunnel, eds.), Amer. Ceramic Soc., Westerville, OH (1991).

3.

C. Lin and J. A. Ritter, "Synthesis of SiO2-Al2O3 Xerogels: Effect of pH and Composition on the Surface Area, Pore Volume, and Pore Structure," Fundamentals of Adsorption (M. D. LeVan, ed.), Kluwer Academic Publishers, Boston (1996).

4.

J. Skvoretz, S. F. Ortaldo, J. A. Ritter and J. H. Wong, "Adsorption Characteristics of Carbon Filter Materials," Fundamentals of Adsorption (M. D. LeVan, ed.), Kluwer Academic Publishers, Boston (1996).

5.

S. A. Al-Muhtaseb and J. A. Ritter, “Prediction of Single and Binary Isosteric Heats of Adsorption,” Fundamentals of Adsorption (F. Meunier, ed.), Elsevier Science, The Netherlands, Elsevier Science, Paris (1998).

6.

Y. Liu, C. E. Holland, J. A. McIntyre, J. A. Ritter and B. K. Kaul, “Multicomponent Solvent Vapor Recovery by Pressure Swing Adsorption,” Fundamentals of Adsorption (F. Meunier, ed.), Elsevier Science, Paris (1998).

7.

Y. Liu, D. Subramanian and J. A. Ritter, "Theory and Application of Pressure Swing Adsorption for the Environment," in Adsorption and Its Application in Industry and Environmental Protection (A. Dabrowski, ed.), Elsevier, Amsterdam (1999).

8.

A. D. Ebner, J. A. Ritter and H. J. Ploehn, “Two Particle Magnetic Hetero-Flocculation Model for Nanolevel High Gradient Magnetic Separation,” in Metal Separation Technologies Beyond 2000: Integrating Novel Chemistry with Processing (K. C. Liddell and D. J. Chaiko, eds.) TMS, PA (1999).

9.

M. Yoshida, A. Kodama, M. Goto, T. Hirose, and J. A. Ritter, “Two Stage PSA for Enrichment of Trace Xenon from Atmospheric Air,” in Adsorption Science and Technology (D. D. Do, ed), World Scientific, Singapore (2000).

10.

K. D. Daniel and J. A. Ritter, “Equilibrium Theory Analysis of a Novel Pressure Swing Adsorption Cycle for Concentrating Dilute Hydrogen Streams,” in Fundamentals of Adsorption (FOA7) (K. Kaneko, ed.), Elsevier, NY (2001).

11.

J. A. Ritter, S. A. Al-Muhtaseb and J. A. McIntyre, “Non-Equilibrium Adsorption Dynamics and their Role in the Modeling of PSA Process Behavior,” in Fundamentals of Adsorption (FOA7) (K. Kaneko, ed.), Elsevier, NY (2001).

12.

J. A. McIntyre, M. Yoshida, C. E. Holland, T. Hirose and J. A. Ritter, “Stripping and Enriching Reflux Pressure Swing Adsorption for High Enrichment and Recovery of Dilute Hydrocarbons,” in Fundamentals of Adsorption (FOA7) (K. Kaneko, ed.), Elsevier, NY (2001).

13.

M. Yoshida, J. A. Ritter, A. Kodama, M. Goto and T. Hirose, “Enriching Reflux Pressure Swing Adsorption for Enrichment of Trace Components,” in Fundamentals of Adsorption (FOA7) (K. Kaneko, ed.), Elsevier, NY (2001).

14.

J. Wang, A. D. Ebner, K. R. Edison, J. A. Ritter and R. Zidan, “Metal Doped Sodium Aluminum Hydride as a Reversible Hydrogen Storage Material,” Adsorption Science and Technology (Chang-Ha Lee, ed.), World Scientific, Korea (2003).

15.

A. D. Ebner and J. A. Ritter, “Dual Reflux Pressure Swing Adsorption Cycle for Gas Separation and Purification,” Adsorption Science and Technology (Chang-Ha Lee, ed), World Scientific, Korea, (2003).

16.

S. A. Gadre, A. D. Ebner, S. A. Al-Muhtaseb and J. A. Ritter, “Modeling the Discharge Behavior of Metal Hydride Hydrogen Storage Systems,” Adsorption Science and Technology (Chang-Ha Lee, ed), World Scientific, Korea (2003).

1.

J. R. Zamecnik, N. D. Hutson, J. A. Ritter and J. T. Carter, "The Processing of Simulated High-Level Radioactive Waste Sludges Containing Nitrites and Mercury," in High Level Radioactive Waste Management Proceedings of the Second Annual International Conference, Vol. 2, Amer. Soc. Civ. Eng. and Amer. Nuc. Soc., Inc. (1991).

2.

N. D. Hutson, J. R. Zamecnik, J. A. Ritter and J. T. Carter, "Pilot Scale Processing of Simulated Savannah River Site High-Level Radioactive Waste," in Proceedings of the 1991 Joint International Waste Management Conference, Vol. 2 (S. C. Slate, L. C. Oyen, K. J. Lee and W. Z. OH, eds.), Korean Nuc. Soc., Seoul, Korea (1991).

3.

J. A. Ritter, J. R. Zamecnik and C. W. Hsu, "Hydrogen Generation During Treatment of Simulated High-Level Radioactive Waste with Formic Acid," in High Level Radioactive Waste Management Proceedings of the Third International Conference, Vol. 1, Amer. Soc. Civ. Eng. and Amer. Nuc. Soc., Inc. (1992).

4.

J. A. Ritter, “Adsorption of a Binary Gas Mixture that Laterally Interacts on a Random Heterogeneous Surface,” in Proceedings of the First Separations Division Topical Conference on Separation Technologies: New Developments and Opportunities, American Institute of Chemical Engineers, NY (1992).

5.

C. W. Hsu, D. M. Ferrara, N. E. Bibler, B. C. Ha and J. A. Ritter, "Development of a Nitric/Formic Acid Process to Reduce Hydrogen Emissions During Sludge Treatment in the DWPF", in WM '93, (R. G. Post, ed.), Waste Management Symposia, Inc., Tucson, AR (1993).

6.

Y. Liu and J. A. Ritter, “Parametric Study on the PSA-Solvent Vapor Recovery Process,” in Proceedings of the 1995 Topical Conference: Recent Developments and Future Opportunities in Separations Technology, Vol. II” American Institute of Chemical Engineers, NY (1995).

7.

J. D. Navratil, R. L. Kochen and J. A. Ritter, "Magnetic Swing Adsorption Process for Actinide and Heavy Metal Removal from Waste Water", in WM '95, (M. Wacks, ed.), Waste Management Symposia, Inc., Tucson, AR (1995).

8.

J. Skvoretz, S. F. Ortaldo, J. A. Ritter and J. H. Wong, “Adsorption Characteristics of Carbon Filter Materials,” Adv. Filtr. Sep. Technol., 11, 244-251 (1997).

9.

V. Srinivansan, C. Lin, J. A. Ritter, and J. W. Weidner, “Mathematical Modeling of Sol-Gel Derived Carbon Xerogels as Double Layer Capacitors,” in Electrochemical Capacitors II, Vol. 96-25, (F. M. Delnick and D. Ingersoll, eds.), The Electrochemical Society Proceedings Series, NJ (1997).

10.

D. Subramanian, Y. Liu, and J. A. Ritter, “Equilibrium Theory for Solvent Vapor Recovery by Pressure Swing Adsorption: Analysis of a Tapered Bed,” in Proceedings of the Topical Conference on Separation Science and Technologies,” American Institute of Chemical Engineers, NY (1997).

11.

12.

H. Pan, J. A. Ritter and P. B. Balbuena, “Isosteric Heats of Adsorption on Carbon Predicted by Density Functional Theory,” in Proceedings of the Topical Conference on Separation Science and Technologies,” American Institute of Chemical Engineers, NY (1997).

13.

Y. Liu, S. P. Shealy and J. A. Ritter, “Prediction of the Adsorbed Phase Heat capacity,” in Proceedings of the Topical Conference on Separation Science and Technologies,” American Institute of Chemical Engineers, NY (1997).

14.

A. D. Ebner, J. A. Ritter and B. N. Popov, “Potentiostatically Enhanced Complexation Model for the Determination of Isopotential Equilibrium Curves,” in Proceedings of the Topical Conference on Separation Science and Technologies, American Institute of Chemical Engineers, NY (1997).

15.

A. D. Ebner, J. A. Ritter, P. B. Balbuena and A. Marquez, “Molecular Dynamics Simulations of the Water-Graphite Interface for the Estimation of the Double-Layer Capacitance,” in Proceedings of the Topical Conference on Applying Molecular Modeling and Computational Chemistry, American Institute of Chemical Engineers, NY (1998).

16.

E. J. Zanto, J. A. Ritter and B. N. Popov, “Sol-Gel Derived Carbon Aerogels and Xerogels for Use as the Anode in Lithium Ion Batteries,” in Electrochemical Capacitors II, Vol. 98-16, (S. Surampudi and R. Marsh, eds.), The Electrochemical Society Proceedings Series, NJ (1998).

17.

C. Lin, J. A. Ritter, and B. N. Popov, “Sol-Gel Derived Carbon-Ruthenium Xerogels for Use as Electrochemical Capacitors,” in Electrochemical Capacitors II, Vol. 98-15, (W. R. Cieslak, ed.), The Electrochemical Society Proceedings Series, NJ (1998).

18.

C. Lin, J. A. Ritter, B. N. Popov and R. E. White, “A Mathematical Model of an Electrochemical Capacity with Double Layer and Faradaic Processes, in Electrochemical Capacitors II, Vol. 98-15, (W. R. Cieslak, ed.), The Electrochemical Society Proceedings Series, NJ (1999).

19.

Y. Liu, J. A. Ritter, and B. K. Kaul, “New Pressure Swing Adsorption-Solvent Vapor Recovery Cycles for Improved Solvent Vapor Enrichment, in Fourth Topical Conference of Separations Science and Technology,” American Institute of Chemical Engineers, NY (1999).

20.

A. D. Ebner and J. A. Ritter, “Theoretical Correlation for the Capture Cross Section in High Gradient Magnetic Separation,” in Fourth Topical Conference of Separations Science and Technology,” American Institute of Chemical Engineers, NY (1999).

21.

E. J. Zanto, J. A. Ritter, and B. N. Popov, “Sol-Gel Derived Carbon Aerogels and Xerogels from a Statstical Design Approach,” in Fourth Topical Conference of Separations Science and Technology,” American Institute of Chemical Engineers, NY (1999).

22.

P. Yu, J. A. Ritter, R. E. White and B. N. Popov, “Development of Ni-Composite Coated Graphite as an Anode for Li-Ion Batteries with PC=Based Solvent,” The Electrochemical Society Proceedings Series, Vol. 99-25, 86-98 (2000).

23.

P. Yu, B. S. Haran, J. A. Ritter, R. E. White and B. N. Popov, “Palladium-Microencapsulated Graphite as the Negative Electrode for Lithium-Ion Cells,” The Electrochemical Society Proceedings Series, Vol. 99-25, 800-809 (2000).

24.

J. A. Ritter and S. A. Al-Muhtaseb, “Adsorption Process Modeling: State of the Art,” in AIChE Separations Technology Topical Conference, (P. Bryan and A. Serbezov, eds.), American Institute of Chemical Engineers, NY (2001).

25.

K. D. Daniel and J. A. Ritter, “Equilibrium Theory Analysis of the Approach to the Periodic State in a Pressure Swing Adsorption Cycle Utilizing an Unfavorable Langmuir Isotherm,” in AIChE Separations Technology Topical Conference, (P. Bryan and A. Serbezov, eds.), American Institute of Chemical Engineers, NY (2001).

26.

R. A. Riggleman, A. D. Ebner, J. A. Ritter and R. Zidan, “On the Development of Novel Adsorbent Materials for Hydrogen Storage Systems,” in AIChE Separations Technology Topical Conference, (P. Bryan and A. Serbezov, eds.), American Institute of Chemical Engineers, NY (2001).

27.

A. D. Ebner and J. A. Ritter, “Equilibrium Theory Analysis of a Rectifying Pressure Swing Adsorption Process for Producing Pure Heavy Component,” in AIChE Separations Technology Topical Conference, (P. Bryan and A. Serbezov, eds.), American Institute of Chemical Engineers, NY (2001).

28.

S. A. Gadre, K. D. Daniel, A. D. Ebner, S. A. Al-Muhtaseb and J. A. Ritter, “Simple and Complex Models for the Design of H₂ Storage Systems,” in AIChE Separations Technology Topical Conference, (P. Bryan and A. Serbezov, eds.), American Institute of Chemical Engineers, NY (2001).

29.

S. A. Al-Muhtaseb, K. D. Daniel, J. A. Mc Intyre and J. A. Ritter, “Nonisothermal Adsorption Dynamics and its Role in the Modeling of PSA-Solvent Vapor Recovery Processes,” in AIChE Separations Technology Topical Conference, (P. Bryan and A. Serbezov, eds.), American Institute of Chemical Engineers, NY (2001).