John C. Edwards, Ph.D. 

Marist College Adjunct Professor

Owner of Process NMR Associates, LLC

87A Sand Pit Rd, Danbury, CT 06810

Tel: (203) 744-5905, Fax: (203) 743-9297, Mobile: (203) 241-0143, e-mail: John@process-nmr.com or John.Edwards@Marist.edu 

SUMMARY:

Over 18 years of technical experience in the field of NMR and process NMR applied to petroleum, petrochemical, and chemical research and development.   

•       Adjunct Professor - Marist College, Chemistry Department, Poughkeepsie, NY  

•       Co-Founded and Operated Process NMR Associates, LLC. The only process NMR applications consultancy operating  anywhere in the world.

•       Maintained and operated the only NMR facility within Texaco Inc.

•       Applied chemometrics to complex NMR analyses to yield models for many refinery applications of NMR as an in-line process analyzer/controller.

•       Provided all NMR spectroscopic services (liquid-state, solid-state, multidimensional, multinuclear), including all data interpretation, for all areas of Texaco’s research efforts in both upstream and downstream areas.

•       Coordinated compositional work related to business unit processing problems - MTBE plant, various refinery operations, product blending operations, used-oil recycling plant, paper recycling plant, plastics/coal gasification plant.

•       Participated as team member on projects associated with competitive analysis, product quality monitoring, environmental liability, field problem sample analysis, engine test sample analysis.

•       Published and presented over 70 papers in various technical journals, symposia, and national meetings.

•       Inventor - 4 Patents for process control and optimization through process NMR analysis.

PROFESSIONAL EXPERIENCE:

December 1997 to Present :  Process NMR Associates, LLC

Manager - Process and Analytical NMR

·       Co-founder and operator of Process NMR Associates, LLC. Contract process NMR application development specialists. Serving as applications development and NMR consultants to The Foxboro Company and APV. Operating a high field analytical NMR laboratory.

·        Acted as Product Manager for the FoxboroNMR Ltd.

·        Served as Technical Sales Support on all aspects of the Process NMR business.

·      Managed over 20 validation projects for the Foxboro process NMR business.

·      Directly involved in development of NMR incorporated into closed loop control by APC and optimization packages

·        Served as applications support and service coordinator for Foxboro Process NMR.

·        Provided contract solid and liquid-state NMR support to many major petroleum and chemical companies.

·       Adjunct Professor - Marist College, Chemistry Department, Poughkeepsie, NY

October 1994 to December 1997 : Texaco Fuel & Lubricant Technology Department

Research Chemist - Process Analytical and Organic Spectroscopy Group:

·       Manager and sole-operator of all NMR services within Texaco Inc., providing solid and liquid-state NMR analyses for Texaco’s business units and business partners. Lab comprised: Varian NMR Systems: UnityPlus-300, UnityPlus-200, Unity-300WB, VXR-300S ; Elbit-ATI 55 MHz Process NMR Systems: 1 lab and 2 in-line refinery systems.

·       Developed chemometric models for application of process NMR technology to control and optimize refinery operations such as: alkylation, fluid catalytic cracking, reforming, hydrotreating, tank-farm inventory reduction, crude assay, and gasoline blending. Aided in development of the first two commercial NMR based refinery analyzers for fuel gas analysis and alkylation control at a Texaco refinery.

·       Coordinated analytical work provided to Huntsman Corporation, DSM Copolymer, Ethyl Corp., First Brands, and various universities.

·        Fouling team member and analytical coordinator for a 3,500 bpd used oil recycling plant.

·       Strong supporting roles in gasoline and diesel fuel additive development, lubricant additive development, compositional analysis, heavy oil upgrading, and methane-to-liquids upgrading.

September 1990 - October 1994 :  Texaco Research and Development

Project Chemist - Organic Spectroscopy, Compositional and Thermal Analysis Group.

·       Assumed partial responsibility for liquid-state NMR analysis as well as maintained full responsibility for solid-state NMR applications throughout Texaco. Areas of responsibility included all areas of Texaco’s upstream and downstream research efforts (polymers, catalysts, fuel/lubricant additives, complex mixture analysis, membranes, gasification, heavy oil upgrading, methane-to-liquids upgrading, competitive analysis, base oil, gasoline, diesel, crude composition, process failure analysis, and compositional analysis). Services supplied involved all experimental design, data collection, processing, and interpretation.

·       Received Texaco’s Outstanding Contributor Award for advancing the understanding of the complex structure of combustion chamber and other engine deposits.

·       Analytical representative on the Clean System-3 fuel additive development team.

·       Justified the expansion of Texaco’s NMR capabilities from two spectrometers to four, and networked the system to allow home-access and control of the spectrometers.

·       Expanded NMR domain within Texaco to include the exploration departments, in particular geochemical and log analysis areas.

·       NMR spectroscopist responsible for all solid-state NMR analyses (wideline, CRAMPS, CP-MAS, nutation, 2-dimensional). 

·       Developed a large program to correlate fuel and fuel-additive chemistries with engine performance and engine deposit quantity and chemistry.

·       Developed structure-reactivity relationships in catalyst systems utilizing multinuclear (¹H, ²H, ²⁷Al, ³¹P, ²³Na, ¹³³Cs, ¹³C, ²⁹Si, ¹¹B, ⁹⁵Mo, ¹⁵N, ¹⁷O, ³³S) solid-state NMR characterization. Catalyst systems included zeolites, clays, aluminophosphates, oxides, mixed oxides, oxide supported metals, modified buckminsterfullerenes, and carbons. 

August 1986 - September 1990 :  University of South Carolina

1987-1990  Research Assistant - Chemistry Department

1986-1987  Teaching Assistant - Chemistry Department   

PROFESSIONAL AFFILIATIONS: 

Member-American Chemical Society, Petroleum Chemistry and Fuel Chemistry Divisions

Member-Instrumentation Society of America

Member-International Society of Magnetic Resonance

Member-Society of Applied Spectroscopy

EDUCATION:

Ph.D.  Physical Chemistry,  University of South Carolina, August 1990.   

            Advisor:  Professor Paul D. Ellis

             Dissertation: “Solid-State Molybdenum-95 Nuclear Magnetic Resonance Spectroscopy of  Molybdenum in Catalytic Environments”

B.Sc. (Dunelm)  Chemistry, University of Durham, Durham, UK, July 1986

RESEARCH INTERESTS:

Application of NMR spectroscopy to real-time process control and optimization - see http://www.process-nmr.com

Analytical NMR Applied to Industrial Projects in all sectors.

Process Analytical Technology (NIR, FT-IR, Raman, etc)

Renewable Resources and Petroleum Chemistry

PEER REVIEWED PUBLICATIONS

1. “Measurement of Quadrupolar Coupling Constants, Shielding Tensor Elements, and the Relative Orientation of the Quadrupolar and Shielding Tensor Principal Axis Systems for 87Rb and 85Rb in Rubidium Salts by Solid-State Nuclear Magnetic Resonance”.  J.T. Cheng, J.C. Edwards, P.D. Ellis, J. Phys. Chem., 94, 553 (1990).

2. “Solid-State 95Mo NMR Study of (Aryldiazenido)- and (Organohydrazido)-Polyoxomolybdates. Investigation of Model Compounds of Catalytic Molybdenum Environments”.  J.C. Edwards, J. Zubieta, S.N. Shaikh, Q. Chen, S. Bank, P.D. Ellis, Inorg. Chem., 29, 3381 (1990).

3. “A 95Mo Solid-State NMR Study of Hydrodesulfurization Catalysts. 1. The Formation of Fresh HDS Catalyst Precursors by Adsorption of Polyoxomolybdates onto -Alumina”. J.C. Edwards, R.D. Adams, P.D. Ellis, J. Amer. Chem. Soc., 112,  8349 (1990)

4. “Cross-Polarization for Quadrupolar Nuclei - Proton to Molybdenum-95”. J.C. Edwards, P.D. Ellis, Magn. Reson. Chem., 28, S59 (1990).

5. “Solid-State 95Mo NMR Study of Hydrodesulfurization Catalysts. 2. Investigation of Reduced/Sulfided Molybdena-Alumina Catalysts and the Effect of Promoter Ions on ‘Fresh’ and Reduced/Sulfided Molybdena-Alumina Catalysts”.  J.C. Edwards, P.D. Ellis,  Langmuir, 7, 2117 (1991).

6. “FT-IR and Solid-State NMR Investigation of Phosphorus Promoted Hydrotreating Catalyst Precursors”.  E.C. Decanio, J.C. Edwards, T.R. Scalzo, D.A. Storm, J.W. Bruno, J. Catal., 132, 498-511 (1991).

7. “Effects of B3+ Content of B-ZSM-11 and B-ZSM-5 on Acidity and Chemical and Thermal Stability”. M.W. Simon, S.S. Nam, W.Q. Xu, S.L. Suib, J.C. Edwards, C.L. O'Young, J. Phys. Chem., 96, 6381 (1992).

8. “27Al NMR, FT-IR AND Ethanol-18O TPD Characterization of Fluorided Aluminas”.  E.C. Decanio, V.P. Nero, J.C. Edwards, J.W. Bruno, J. Catal., 140, 84 (1993).  

9. “Average Molecular Structure of Gasoline Engine Combustion Chamber Deposits Obtained By Solid-State 13C, 31P, and 1H Nuclear Magnetic Resonance Spectroscopy”. J.C. Edwards, P.J. Choate, SAE Paper 932811, presented at the Fuels and Lubricants Meeting of the Society of Automotive Engineers, October 21, (1993).

10. “Relationship Between Combustion Chamber Deposits and SI Engine Performance”. P.J. Choate, J.C. Edwards, SAE Paper 932812, presented at the Fuels and Lubricants Meeting of the Society of Automotive Engineers, October 21, (1993).

11. “Observation of [Al(OH)n (H2O)6-n]n (MoO4) in Hydrotreating Catalyst Precursors by Solid-State 27Al NMR”. J.C. Edwards, E.C. Decanio, Catal. Lett., 19, 121 (1993).

12. “13C and 15N Cross-Polarization Magic Angle Spinning NMR Spectra of 15N-Enriched 2-Phenethylamine Adsorbed on an Activated Clay”. S.Bank, B. Yan, J.C.Edwards, G. Ofori-Okai, Langmuir, 10, 1528 (1994).

13. “Performance and Characterization of Zirconium Modified Hydroprocessing Catalysts”. J.G. Weissman, E.C. Decanio, J.C. Edwards,  Catal. Lett.  24, 113 (1994).

14. “Molecular Representations of Ratawi and Alaska North Slope Asphaltenes Based on Liquid- and Solid-State NMR”. D.A. Storm, J.C. Edwards, S.J. Decanio, E.Y. Sheu, Energy & Fuels 8, 561 (1994).

15. “Solid-State MAS 1H NMR Characterization of Gamma-Alumina and Modified Gamma-Aluminas”. E.C. Decanio, J.C. Edwards, J.W. Bruno, J. Catal., 148, 76 (1994).

16. “Effect of Secondary Porosity on Gas Oil Cracking Activity”. E.P. Dai, L.P. Neff, J.C. Edwards, published in the ACS Symposium Series : “Fluid Catalytic Cracking III : Materials and Processes” , M.L. Ocelli, P.O’Connor, Editors, Chapter 6, p63-80 (1994).

17. “A Spectroscopic and Catalytic Study on the Formation and Thermal Decomposition of Sodium Ionic Clusters in NaX Zeolite: A Mechanism for Defect Site Formation”. M.W. Simon, J.C. Edwards, S.L. Suib, J. Phys. Chem.,  99, 4698 (1995).

18. “N-Butene Skeletal Isomerization to Isobutylene on Shape-Selective Catalysts: Ferrierite/ZSM-35”. W-Q. Xu, Y-G. Yin, C.L. O’Young, J.C. Edwards, S.L. Suib, J. Phys. Chem., 99, 9443 (1995).

19. “Sludge Formation During Heavy-Oil Upgrading”. D.A. Storm, S.J. Decanio, J.C. Edwards, E.Y. Sheu, published in the Proceedings of the 6th UNITAR International Conference on Heavy Crude and Tar Sands, Houston, Texas, February 12-17, (1995), p 365-372.

20. “The Synthesis and Structure of a Chiral Layered Aluminophosphate Containing the Template Co(tn)3+”. D.A. Bruce, A.P. Wilkinson, J.A. Bertrand, M.G. White, J. Edwards, Chem Comm,  1995, 2059 (1995).

21.  “Chemical Characterization of Coal Tar-Water Interfacial Films”. E.C. Nelson, G. Marsh, J.C. Edwards, R.G. Luthy, A. Ramaswami, S. Ghosal,  Env. Sci. Tech.  30, 1014 (1996).

22. “Characterization and Aging of  Hydrotreating Catalysts Exposed to Industrial Processing Conditions”. J.G. Weissman, J.C. Edwards, Applied Catal., 142(2), 289 (1996).

23. ‘Modification of Non-Template Synthesized Ferrierite/ZSM-35 for n-Butene Skeletal Isomerization to Isobutylene”, Wen-Qing Xu, Yuan-Gen Yin, Steven L. Suib, John C Edwards, Chi-Lin O’Young, J. Catal. 163 (2),  232 (1996).

24. “Sediment Formation During Heavy Oil Upgrading”. D.A. Storm, S.J. Decanio, J.C. Edwards, E.Y. Sheu, Petroleum Science and Technology, 15 (1&2), 77 (1997)

25. “Solid-State NMR and FT-IR Investigation of 12-Tungstophosphoric Acid Supported on TiO2 “. J.C. Edwards, C.Y. Thiel, J.F. Knifton, and B. Benac,  Catal. Lett., 51, 77 (1998).

26. “Molecular Composites: Design of Inclusion Complexes of Polyisobutylenes with Cyclodextrins”. M.K. Mishra, J.C. Edwards, P. Subramanian, R.D. Pugliese, Designed Monomers and Polymers, 1(2), 225 (1998).

27. “Methyl tert-Butyl Ether Synthesis from tert-Butanol via Inorganic Solid Acid Catalysis”, John F. Knifton, John C. Edwards, Applied Catalysis A: General 183(1), 1 (1999).

28. "Inverse Temperature Dependence of Chain Transfer Rate Constants for Chromium Metalloradicals in Polymerization of MMA".  Lihao Tang, Jack R. Norton, and John C. Edwards , Macromolecules,  36, 9716 (2003).

PRESENTATIONS

1. “Solid-State 95Mo Nuclear Magnetic Resonance Spectroscopy of Molybdenum in Catalytic Environments”. J.C. Edwards, presented at the "Waugh Symposium" for High Resolution NMR in Solids, Massachusetts Institute of Technology, Boston  MA, January 20, 1989.

2. “Solid-State Molybdenum-95 Nuclear Magnetic Resonance Spectroscopy of Hydrotreating Catalysts”. J.C. Edwards, P.D. Ellis, presented at invited seminar, SUNY-Albany, Albany, NY, March 5, 1991.

3. “Structural Characterization of Alkyl Amine Intercalation Compounds of Hydrous Uranium Oxide”. C.M. King, M.C. Thompson, R.B. King, J.C. Edwards, P.D. Ellis, presented at 201st Meeting of the American Chemical Society, Atlanta, Georgia, April  14-19, 1991.               

4. “Solid-State 31P, 27Al, and 1H MAS NMR of Phosphorus Promoted Hydrotreating Catalyst Precursors”. J.C. Edwards, E.C. Decanio, D.A. Storm, presented at the American Chemical Society North East Regional Meeting, University of Massachusetts, Amherst, MA, June 1991.

5. “FT-IR, MAS NMR, and XRD Investigation of Phosphorus Promoted Ni-Mo/Al2O3 Hydrotreating Catalyst Precursors”. E.C. Decanio, J.C. Edwards, T.R. Scalzo, D.A. Storm, presented at the 202nd Meeting of the American Chemical Society, New York, New York, August 25-30, 1991 

6. “Multinuclear Solid-State NMR Investigation of Boron-Zeolites and Borosilicates”. J.C. Edwards, C.L. O'Young, P.J. Giammatteo, presented at the National ACS Meeting, New York, NY, August 25-30, 1991.

7. “Deactivation of Hydrotreating Catalysts” J.G. Weissman, S. Lu, J.C. Edwards. Presented at the 12th Canadian Symposium on Catalysts, Alberta, Canada,  May 25-28, 1992.

8. “FT-IR, NMR and XRD Investigation of Phosphorus Promoted Ni-Mo-Al2O3Hydrotreating Catalyst Precursors”. E.C. Decanio, J.C. Edwards, T.R.Scalzo, D.A. Storm, presented at Spring Symposium of the Catalysis Society of New England, Yale University, March 18, 1992.

9. “FT-IR, NMR and XRD Investigation of Phosphorus Promoted Ni-Mo-Al2O3 Hydrotreating Catalyst Presursors”. E.C. Decanio, J.C. Edwards, T.R.Scalzo, D.A. Storm, presented at Spring Symposium of the Catalysis Society of Metropolitan New York, Lehigh University, March 11, 1992.

10. “Investigation of Calcined, Reduced, and Sulfided Phosphorus Promoted Ni-Mo/Al₂O₃ Hydrotreating Catalyst Precursors”. E.C. Decanio, J.C. Edwards, D.A. Storm,  presented at 22nd North East regional Meeting of the ACS, Syracuse, NY, June 21-24, 1992.

11. “FT-IR, Solid-State MAS NMR and Ethanol-¹⁸O TPD Analysis of Fluorided Aluminas”. E.C. Decanio, V.P. Nero, J.C. Edwards, J.W. Bruno, presented at 204th ACS National Meeting, Washington D.C., August 25-28, 1992.

12. “Acidity, Chemical and Thermal Stability of [B]-ZSM-5 and [B]-ZSM-11”. M.W. Simon, S.S. Nam, W. Xu, S.L. Suib, J.C. Edwards, C.L. O'Young,  presented at ACS Symposium on Recent Advances in Molecular Sieve Materials, Denver, Colorado, March 1993.

13. “Comparison of Molecular Representation of Ratawi and Alaska North Slope Asphaltenes Based on Liquid and Solid-State NMR”.  D.A. Storm, J.C. Edwards, S.J. Decanio, E.Y. Sheu,  presented at ACS Symposium on Resid Upgrading, Denver, Colorado, March 28-April 2, 1993.

14. “Effect of Secondary Porosity on Gas Oil Cracking Activity”. E.P. Dai, L.P. Neff, J.C. Edwards, presented at the Symposium on Advances in Fluid Catalytic Cracking, 206th ACS Meeting, Chicago, IL, August 22-27, 1993.

15. “Elucidation of the Inorganic Chemistry of Hydrotreating Catalyst Additives”.  E.C. Decanio, J.C. Edwards, D.A. Storm, presented at the National ACS Meeting, Denver, Colorado, March 28-April 2, 1993.

16. “Investigation of Phosphate and Sulfate Promoted Ni-Mo/Al2O3 Hydrotreating catalyst Precursors”. E.C. Decanio, J.C. Edwards, D.A. Storm, J.W. Bruno, presented at 13th North American Meeting of the Catalysis Society, Pittsburgh, Pennsylvania, May 2-7, 1993. 

17. “Molecular Modeling Studies of Phosphate Chains on Gamma-Alumina”. J.R. Ugolini, E.C. Decanio, J.C. Edwards, P.S. Subramanian, K.J. Chou, presented at the Fall National ACS Meeting, Chicago, Illinois, August 22-27, 1993.

18. “Mechanisms of Formation of Combustion Chamber Deposits”. W.P. Acker, R.T. Hahn, F.J. Deblase, J.C. Edwards, R.L. Sung, presented at CRC Combustion Chamber Deposit Meeting, Orlando, Florida, November 1993.

19. “Applications of Solid- and Liquid-State ¹³C and ¹H Nuclear Magnetic Resonance to the Analysis of Ethylene-Propylene Copolymers”. G.Marsh, J.C. Edwards, M.Mishra, presented at the Spring National ACS Meeting, San Diego, California, March 13-18, 1994.

20. “Process Applications of NMR on Flowing Gaseous Streams”. P.J. Giammatteo, G.Marsh, J.C.Edwards, presented at the 35th Experimental NMR Conference, Asilomar, California, April 10-15, 1994.

21. “The Role of Chemists in the Petroleum Industry”. J.C. Edwards,  presented under the auspices of the Industrial Research Institute, at Vassar College, Poughkeepsie, New York, March 9, 1994.

22. “Characterization of Gasoline Engine Combustion Chamber, Intake Valve and Crankcase Deposits by Solid-State ¹³C CP/MAS NMR Spectroscopy”. J.C. Edwards, presented at the 36th Rocky Mountain Conference on Analytical Spectroscopy, Denver, Colorado, July 31-August 5, 1994.

23. “Sludge Formation During Heavy-Oil Upgrading”. D.A. Storm, S.J. Decanio, J.C. Edwards, E.Y. Sheu,  presented at the 6th UNITAR International Conference on Heavy Crude and Tar Sands, Houston, Texas, February 12-17, 1995.

24. “Process Applications of NMR on Flowing Gaseous Streams. Part II”. P.J. Giammatteo, J.C. Edwards, presented at the 36th Experimental NMR Conference, Boston MA, March 26-30, 1995.

25. “Monitoring the Chemistry of Phosphorus Compounds in Lubricants”. J.R. Sieber, J.C. Edwards, presented at the 44th Annual Denver X-Ray Conference, Colorado Springs, Colorado, July 31 - August 4, 1995.

26. “Modification of Non-Template Synthesized Ferrierite/ZSM-35 for N-Butene Skeletal Isomerization to Isobutylene”.  W.Q Xu, Y.G. Yin, S.L. Suib, J.C. Edwards, C.-L. O’Young, presented at the Fall National  ACS Meeting, Chicago IL, August 1995.

27. “Design of ‘Beaded Molecular Strings’ ”. M.K. Mishra, J.C. Edwards, P.M. Subramanian, R.D. Pugliese, presented at International Ionic Polymerization Conference, Istanbul, Turkey, September 2-9, 1995.

28. “Development of a Process NMR Gasoline Analysis System”. J.C.Edwards, P.J. Giammatteo, G.P. Firmstone, P.D. Cusatis, presented at the 37th Experimental NMR Conference, Pacific Grove, CA, March 17-22, 1996.

29. “Process Applications of NMR on Flowing Gaseous Streams. Part III. The Installation and Operation of an On-Line NMR in a Refinery”. P.J. Giammatteo, J.C. Edwards, T. Cohen, M.W. Blakley, presented at the 37th Experimental NMR Conference, Pacific Grove, CA, March 17-22, 1996.

30. “²H NMR of Low Temperature Crystallization Processes in Base Oils Utilizing a Perdeuterated Probe Molecule”. J.C. Edwards, P.J. Giammatteo, A.J. Stipanovic, M.P. Smith, presented at the 37th Experimental NMR Conference, Pacific Grove, CA, March 17-22, 1996.

31. “Multinuclear and Multidimensional Solid-State NMR Investigations of Combustion Chamber Deposits”.  J.C. Edwards, presented at the National ACS Meeting, Petroleum Division, New Orleans, LA, March 24-29, 1996.

32. “NMR Based Refinery Process Control Systems: New Technology for Process Optimization”. P.J. Giammatteo, J.C. Edwards, G.P. Firmstone, presented at the Texaco Technology Conference, Houston TX, July 15-17, 1996.

33. “NMR Based Process Analysis and Control: New Technology for Process Optimization”. P.J. Giammatteo, J.C. Edwards,  presented at the Instrument Society of America Meeting, Chicago IL, October 7-11, 1996

34. “The Nature of 12-Tungstophosphoric Acid-on-Titania Catalysts”. J.C. Edwards, C.Y. Thiel, B.L. Benac, J.F. Knifton, presented at the ACS Southwest Regional Meeting, Houston, Texas, October 17-19, 1996.

35. “High Resolution NMR Based Process Control for Petroleum Refining - Part I”. P.J. Giammatteo, J.C. Edwards,  presented at the Eastern Analytical Conference, Somerset, New Jersey, November 18, 1996.

36. “High Resolution NMR Based Process Control for Petroleum Refining - Part II”. J.C. Edwards, P.J. Giammatteo,  presented at the Eastern Analytical Conference, Somerset, New Jersey, November 18, 1996.

37. “High Resolution NMR Based Process Control for Petroleum Refining”. P.J.Giammatteo, J.C. Edwards, presented at the Annual New Jersey ISA Chapter Meeting, Princeton, New Jersey, November 20, 1996.

38. “Investigation of Low Temperature Crystallization Processes in Base Oils Utilizing a Perdeuterated Probe Molecule and 2H NMR”.  J.C. Edwards, A.J. Stipanovic, P. J. Giammatteo, M.P. Smith, Invited presentation at the American Chemical Society National Meeting, San Francisco, CA, April 13-17, 1997.

39. “XPS and Solid-State NMR of Soot Produced in a Heavy-Duty Diesel Engine: Impact of Lubricant Additive Chemistry on Wear Performance”. J.K. Mowlem, J.C. Edwards, presented at the 215th National ACS Meeting, Dallas, TX, March 29 – April 3, 1998.

40. “On-line Acid Strength Measurement and Sulfuric Acid Alkylation Process Control Using Process NMR”. J.C. Edwards and Paul J. Giammatteo, presented at the ISA Analytical Division Meeting, Research Triangle Park, April 26-29, 1998.

41. "Lubricant Additive Chemistry Effects of Diesel Engine Soot on Wear Performance as Studied by XPS and Solid-State NMR", J.K. Mowlem, and  J.C. Edwards, presented at the 72nd Colloid and Surface Science Symposium, Pennsylavania State University, June 21-24, 1998.

42."Utilization of Process NMR for On-Line Acid Strength Determination and Sulfuric Acid Alkylation Process Control" J.C. Edwards, P.J. Giammatteo, E. Ross, presented at ISA Expo98, Houston, Texas, October 19-22, 1998.

43. "Process NMR Applications in the Refinery: Utilization, Closed Loop Control, and Value-Added Statements" J.C. Edwards, Presented at the Delaware ACS-SAS Process Analytical Topical Group Meeting, June 2002.