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Key Energy Facts with Dr. Tushar Choudhary - YouTube
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Full list of Publications, Conference Papers, Patents, and Awards & Honors
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Publications:
  1. Energy efficient production of syngas via oxy-methane reforming, Angew. Chem. Int. Edit., 47, 1828 (2008).
  2. Towards Clean Fuels: Molecular level sulfur reactivity in gas oils, Angew. Chem. Int. Edit., 45, 3299 (2006).
  3. Characterization of C2(CxHy) intermediates from adsorption and decomposition of methane on supported metal catalysts, Angew. Chem. Int. Edit., 41, 144 (2002).
  4. Effective low temperature aromatization of ethane over H-galloaluminosilicate zeolites in presence of higher alkanes or olefins, Angew. Chem. Int. Edit., 36, 1305 (1997).
  5. Low temperature non-oxidative activation of methane over H-galloaluminosillicate (MFI) zeolite, SCIENCE, 275, 1286 (1997).
  6. Direct spectroscopic evidence of perhydroxo species on Au/TiO2 during hydrogen peroxide formation, Journal of American Chemical Society, 126, 38 (2004).
  7. Targeting clean fuels: Unraveling heavy oil desulfurization chemistry, Env. Sci. & Technol,.42, 1944 (2008).
  8. Non-oxidative Activation of methane”, Catalysis Reviews Science and Engineering, 45, 151 (2003).
  9. Simultaneous aromatization of propane and higher alkanes or alkenes over H-GaAlMFI zeolite, JCS Chemical Communication, 2545 (1996).
  10. CO oxidation on supported nano-Au catalysts synthesized from a Au6(PPh3)6(BF4)2 complex.  Journal of Catalysis, 207, 247 (2002).
  11. Hydrogen production via catalytic decomposition of methane, Journal of Catalysis, 199, 9 (2001).
  12. CO-free hydrogen production via step-wise steam reforming of hydrocarbons, Journal of Catalysis, 192, 316 (2000).
  13. Decomposition of ammonia on Ir(100), A temperature programmed desorption study, Journal of Physical Chemistry B, 106, 340 (2002).
  14. Influence of hydrothermal treatment on propane aromatization over H-Galloaluminosilicate, Microporous and Mesoporous Materials,87, 23 (2005).
  15. Effect of temperature on propane aromatization over H-galloaluminosilicate, Microporous and Mesoporous Materials, 70,37 (2004).
  16. Renewable fuels via catalytic hydrodeoxygenation, Appl. Catal. A 397, 1 (2011).
  17. Direct oxidation of H2 to H2O2 over Pd-based catalysts: Influence of oxidation state, support and metal additives, Appl. Catal. A, 308, 128 (2006).
  18. Partial oxidation of methane to syngas with or without steam/CO2 over a high temperature stable-NiCoMgCeOx supported on Zirconia-Haffnia catalyst, Appl. Catal. A 306, 45 (2006).
  19. Au particle size: Effect on catalytic activity, Appl. Catal. A:, 291, 32 (2005).
  20. Catalysts for combustion of methane and lower alkanes, Appl. Catal., A, 234, 1 (2002).
  21. Direct aromatization of natural gas over H-gallosilicate, H-galloaluminosilicate and Ga/H-ZSM-5, Appl. Catal.: A, 162, 239 (1997).
  22. Oxidation catalysis by supported gold nano-clusters, Topics in Catalysis, 21, 25 (2002).
  23. Methane activation on Ruthenium: The nature of the surface intermediates, Topics in Catalysis, 20, 35 (2002).
  24. Methane Decomposition: Production of hydrogen and carbon filaments, Catalysis Vol. 19 (2006).
  25. Targeting clean fuels: Understanding heavy oil denitrogenation chemistry, Catal. Commun., 9, 1853 (2008).
  26. Influence of nature/concentration of halide promoters and oxidation state on the direct oxidation of H2 to H2O2 over Pd/ZrO2 catalysts in aqueous acidic medium, Catal. Commun., 8, 1310, 2007.
  27. Partial oxidation of methane over high temperature stable- NiCoMgCeOx and NiCoMgOx supported on Zirconia-Haffnia catalyst: accelerated sulfur deactivation and regeneration, Catal. Commun., 8, 561 (2007).
  28. Influence of Si/Ga and Si/Al ratios over highly active H-GaAlMFI zeolite, Catal Commun. 7, 166 (2006).
  29. Influence of PdO content and pathway of its formation on the methane combustion activity, Catal. Commun., 6, 97 (2005).
  30. Simultaneous hydrogenation of multi-ring aromatic compounds over NiMo catalyst, Industrial & Engineering Research,  47, 7161 (2008)
  31. Structure, sensitivity and mechanistic considerations in heavy oil desulfurization, Industrial Engineering and Chemistry Research, 46, 8363 (2007).
  32. CO2 reforming of methane to Syngas over CoOx/MgO: Influence of Co loading and process conditions, Industrial Engineering and Chemistry Research 45, 4597 (2006).
  33. Single component sorption/ diffusion of cyclic compounds from their bulk liquid phase in HZSM-5 zeolite,  Industrial Engineering and Chemistry Research, 36, 1812 (1997).
  34. Factors influencing decomposition of H2O2 over Pd-based catalysts, J. Mol. Catal., 260, 115 (2006).
  35. Influence of space velocity on propane aromatization over H-Galloaluminosilicate, J. Mol. Catal. A, 246, 79 (2006).
  36. Methane activation on Ni and Ru model catalysts, J.  Mol. Catal.: A, 163, 9 (2000).
  37. Inhibition effect of nitrogen compounds on HDS and HDA reactions, Catalysis Letters, 123, 181 (2008).
  38. Selective acetylene hydrogenation on Au-based catalysts” Catalysis Letters, 86, 1 (2003).
  39. Catalytic ammonia decomposition: COx-free production for fuel cell applications, Catalysis Letters, 72, 197 (2001).
  40. Ammonia decomposition on Ir(100): from ultra-high vacuum to elevated pressures, Catalysis Letters.,1, 77 (2001).
  41. Step-wise methane steam reforming: a route to CO-free hydrogen, Catalysis Letters, 59, 93 (1999).
  42. CO2 and Oxy-CO2 Reforming of Methane to Syngas over CoOx/CeO2/SA-5205 catalyst Energy and Fuels, 85, 2484 (2006).
  43. Propane conversion to aromatics on highly active H-GaAlMFI zeolite: Effect of Thermal Pretreatment, Energy and Fuels, 20, 919 (2006).
  44. Methane reforming over a high temperature stable-NiCoMgOx supported on Zirconia-Haffnia catalyst, Chemical Engineering Journal, 121, 73 (2006).
  45. Production of COx-free hydrogen for fuel cells via step-wise hydrocarbon reforming and catalytic dehydrogenation of ammonia, Chemical Engineering Journal, 93,69 (2003).
  46. Characterization of Heavy Petroleum Feed-stocks, Fuel. Processing Technology,89, 697 (2008).
  47. Oxy-CO2 Reforming of Methane to Syngas over CoOx/MgO/SA-5205 Catalyst, Fuel, 85, 2484 (2006).
  48. Energy, simulation training, ocean engineering-Research Papers of the Link Foundation Fellows”, Boydell and Brewer, Eds. B. J. Thompson, 2, 43 (2002).
  49. Recent trends in Catalysis, V. Murugesan, B. Arabindoo and M. Palanichamy (Eds.) Pg. 481-486, Narosa Publishing House, New Delhi, India (1999).
  50. Entrance of straight and branched chain compounds from their bulk liquid phase in H-ZSM-5 zeolite, Chemical Engineering Science, 20, 3543 (1997).
  51. CO-free Fuel Processing for Fuel Cell Applications, Catalysis Today, 77, 65 (2002).
  52. Catalytic decomposition of methane: Towards production of CO-free hydrogen for fuel cells, Studies in Surface Science and. Catalysis., 136, 197 (2001).
  53. Time on stream activity/selectivity in aromatization of C2+ hydrocarbons from natural gas over Ga/H-ZSM-5 and H-GaAlMFI zeolites, Studies in Surface Science and Catalysis, 113, 707 (1998).
 
External Presentations:
  1. From fundamental understanding to refinery optimization (keynote lecture), 244rth  National ACS meeting, Aug. 2012
  2. Fundamentals to refinery optimization, (invited lecture)- Center for Environmentally Beneficial Catalysis, The University of Kansas (2012)
  3. Refinery Optimization, invited lecture- Department of Chemical and Biological Engineering at the University of Colorado (2011)
  4. Optimizing clean fuels production, (invited lecture),  ACS Pentasectional meeting, March 2011
  5. Understanding HDS of real feed-stocks (invited lecture in special session in Henrik Topsoe’s honor), ACS Fall 2010, Washington DC
  6. Conversion of aromatic compounds during hydrotreating, ACS Pentasectional meeting, March 2011.
  7. Heavy gas oil hydrotreating: From fundamentals to refinery optimization, (keynote lecture), 5th MACS, Helsinge, 2010
  8. Renewable Fuels, A Refiners perspective, Topsoe catalysis Forum (plenary lecture), Copenhagen, 2010.
  9. Chemistry of heavy gas oil processing (keynote lecture), Fall ACS Washington DC, 2009
  10. Heavy Gas Oil Desulfurization, American Chemical Society (ACS), Oklahoma Pentasectional Meeting, March 2008- (Invited Lecture)
  11. Heavy Oil Desulfurization-A review; ACS National meeting, Chicago March, 2007- (Plenary Lecture)
  12. Gas Oil Hydrotreating, Chemical Engineering Graduate Series, Oklahoma State University, Stillwater, Feb. 2007-(Invited Lecture)
  13. 1. S Zorb Process and 2. Developing mechanisms for heterogeneous reactions using model and real world catalysts, National Chemical Laboratory, Pune, India, Jan 2003 (Invited Lecture)
  14. COx-free fuel processing for fuel cell applications” ACS National Symposium; Fuel division, Chicago, Aug. 2001. (Keynote presentation)
  15. CO-free hydrogen production via Step-wise Methane Reforming 6th Natural Gas conversion conference, Alaska,June 2001 (Keynote presentation)
  16. New advances in fuel processing, Fuel Cell 2000 R&D, Crowne Plaza Hotel, PA, Sept. 2000 (Invited Lecture)
  17. Structure-Reactivity-Mechanistic issues in heavy gas oil desulfurization, 6th International Conference on Multiphase Reactors, India (Jan. 14-17 2007).
  18. Towards Molecular level understanding of sulfur reactivity in gas oils, ACS National Meeting, San Francisco (Sept. 2006).
  19. Simultaneous hydrogenation of multi ring aromatics on commercial NiMo catalyst, XIV Argentine Catalysis Congress, Santa Fe, (Oct. 2005).
  20. Kinetic study of multi aromatic ring hydrogenation, XIV Argentine Catalysis Congress, Santa Fe, (Oct. 2005).
  21. Neutron scattering study of the species formed in situ on reacting H2 and O2 over Au/TiO2 supported catalysts”, 226th ACS National Meeting, New York, (Sept. 2003).
  22. Novel fuel processing methods for fuel cells” Workshop on Theory and Surface measurements of Fuel cell Catalysis, Denmark (June. 2003).
  23. Mechanistic determinations of catalytic reactions using inelastic neutron spectroscopy Neutron workshop, Oakridge National laboratory, (June. 2002).
  24.  “Kinetics of ammonia decomposition on model Ir catalysts: A study from UHV to elevated pressures”” 223rd ACS National Conference, Orlando, April 2002.
  25. Novel methods of fuel processing for fuel cells,  223rd ACS National Conference, Orlando, April 2002.
  26. Unique Selectivity of nano gold-based catalysts, Industry-University Collaboration Conference, College Station (Oct. 2001).
  27.  Methane activation studies on Ru and Ni catalysts using INS Neutron workshop, Oakridge National laboratory, (Oct. 2001).
  28. CO oxidation on gold clusters” EuropCat V, Catalysis by Silver and Gold, Ireland (Sept. 2001).
  29. Selective hydrogenation of acetylene by Au-based catalysts ACS National Symposium; Catalysis and Surface science division, Chicago (Aug. 2001).
  30. Clean Hydrogen Production for PEM and alkaline Fuel Cells Gordon Conference; Fuel cells, Roger Williams University, Bristol, RI ( July 2001).
  31. Novel methods for COx-free hydrogen production” North American Catalysis Society, Toronto, (June 2001).
  32. PROX on novel gold catalysts Symposium on Oxidation Catalysis, Texas A&M University, May 2001.
  33. INS- A unique tool to study catalytic reactions:Methane activation South-West Catalysis conference, Houston, May 2001.
  34. Acidity of zeolites: Hexane cracking reaction South-West Catalysis conference, College Station, May 2001.
  35. Determination of the nature of CxHy intermediates during the methane decomposition reaction, Surface Science Round-up Conference Round Top, Texas, May 2001.
  36. Decomposition of ammonia: Model catalyst studies, Surface Science Round-up Conference, Round Top, Texas, May 2001.
  37. Mechanistic determination of the methane homologation reaction, Neutron facility user Meeting, Los Alamos National Lab., Los Alamos (2001).
  38. Development of novel gold catalysts, Gordon Conference, Ventura, California (Feb. 2001).
  39. Ammonia dehydrogenation for clean hydrogen production” Gordon Conference, Ventura, California (Feb. 2001).
  40. Novel methods for hydrogen production for fuel cells” National Chemical Laboratory, Pune, Jan 2001 (Invited Lecture).
  41. Hydrogen production via methane decomposition, Industry-University Collaboration Conference, College Station, Sept. 2000.
  42. Step-wise methane reforming: A route for CO-free hydrogen production, Gordon Conference on Fuel Cells, Roger Williams University, Bristol, July 2000.
  43. Methane decomposition on Ni-based catalysts, South-West Catalysis Society, Rice University, Houston, 2nd June 2000.
  44. Two step methane reforming: A Pulse Reactor Study, Southwest Catalysis Society, Rice Univ., Houston, May 1999.
  45. Methane combustion on modified sulfated zirconia catalysts, 14th National Symposium on Catalysis, CATSYMP-98, Chennai, India. (1998)
46.   Aromatization of lower alkanes on Ga-modified ZSM-5 13th National symposium and silver jubilee symposium of catalysis of India, 2-4th April, Deharadun, India (1997).
 U.S. & International Patents:
  1. Selective naphtha reforming systems --- US10703996
  2. Highly selective olefin removal with unsulfided hydrotreating catalyst --- US10562829
  3. Processes for selective naphtha reforming systems --- US10465129
  4. Selective naphtha reforming processes --- US10457876
  5. Systems for selective naphtha reforming --- US10421918
  6. Ethane and ethanol to liquid transportation fuels --- US10173195
  7. Converting ethane to liquid fuels and chemicals --- US10087380
  8. Converting ethane to liquid fuels and chemicals --- US9731270
  9. Systems for converting ethane and ethanol to liquid transportation fuels --- US9545613
  10. Slurry oil upgrading while preserving aromatic content --- US9375656
  11. Process to partially upgrade slurry oil --- US8834709
  12. Methodology to determine feed quality (di+ring aromatic content) of FCC and hydrocracking feeds --- US8992766
  13. Distillate-to-gasoline catalyst system and process therefor --- US7803265
  14. Process for upgrading kerosene to gasoline by ring contraction—ring opening—dehydrogenation --- US8658020
  15. Desulfurization and novel process for same --- US7846867
  16. Desulfurization and novel methods for same --- US7147769
  17. Desulfurization and novel process for same --- US7351328
  18. Method for gas -- solid contacting in a bubbling fluidized bed reactor --- US7022307
  19. Method for gas -- solid contacting in a bubbling fluidized bed reactor --- US6894183
  20. Process for the preparation of hydrocarbons --- US5936135
  21. Process to partially upgrade slurry oil --- EP2471895            
  22. Hydrogenation of polynuclear aromatic compounds --- CN101466654
  23. Fuzz reduction of sulfur sorbents -- CN101316653
  24. Desulfurization and novel process for same --- CN101102839
  25. Desulfurization and novel process for same --- CN101432398
  26. Desulfurization and novel methods for same --- CN1871063
  27. Desulfurization and novel process for same --- CN1856359
  28. Methods for production of compositions and processes for sulfur removal of a chain of hydrocarbons --- BR200514299
  29. Methods for the production of compositions and processes for sulfur removal --- BR200414012
  30. Processes for production of composition and sulfur removal of a chain of hydrocarbons --- BR200412823
  31. Desulfurisation and new methods of desulfurisation --- RU2006109475
  32. Desulphuration and novel desulphuration method --- RU2007108545
  33. Desulfurization and new method of desulfurisation --- RU2006105627
  34. Desulfurization and novel process for same --- KR20060034714
  35. Desulfurization and new process for that --- JP2006528547
  36. Desulfurization and novel process for same --- CA2533485
  37. Desulfurization and novel process for same --- ZA200600610
  38. Desulfurization and novel process for same. --- MX2006PA000736
  39. Desulfurization and novel process for same --- AU2004260098
  40. A method for the production of a composition --- IN2006DN00352
  41. Method for gas-solid contacting in a bubbling fluidized bed reactor --- IN2001DE00371 

List of awards/honors/recognition since 2000: 
  1. Oklahoma Chemist of the year award, American Chemical Society
  2. Technology Achievement award, Phillips 66
  3. Amongst top 2% scientists in the world based on career impact of publications, Stanford University database.
  4. Plenary Speaker, Topsoe catalysis forum, Copenhagen
  5. Keynote Speaker, MACS-V, Helsinge, Denmark
  6. Keynote speaker, 238th National ACS meeting, Washington DC
  7. Technology Sharing Award: ConocoPhillips
  8. Industrial Innovation Award: South-West region, American Chemical Society
  9. Global Indus Technovator Award, MIT Indian Business Club
  10. Technology Innovation Award: ConocoPhillips
  11. US Frontiers of Engineering Symposium invitee, National Academy of Engineering
  12. Research highlighted in Worldwide Refining Business Digest Weekly
  13. Research highlighted as “News of the Week” in Chemical & Engineering News
  14. Top 25 hottest papers in Applied Catalysis A: General
  15. China-US Frontiers of Engineering Symposium invitee, National Academy of Engineering, - declined
  16. Most cited paper in “Applied Catalysis A” Journal (from 2002-2006)
  17. Keynote speaker, 233rd National ACS meeting, Chicago
  18. Most web-accessed paper in Energy & Fuels (from Oct-Dec 2006)
  19. Research highlighted in Editor’s Choice section of SCIENCE
  20. Outstanding Young Scientist Award: ConocoPhillips
  21. Distinguished Graduate Research Award, Texas A&M University
  22. Celanese Ltd’s Outstanding Graduate Student Award
  23. Link Fellowship for advancement in energy: Link Foundation
  24. Keynote speaker, 6th Natural Gas Conversion Symposium, Anchorage
  25. Keynote speaker, 222nd National ACS meeting, Chicago, (2001).
  26. Graduate Student Research and Presentation Grant: Texas A&M
  27. Best Paper Award, Neutron Symposium, Los-Alamos National Lab
  28. Outstanding Poster presentation award at Industry-Texas A&M symposium
  29. A.E. Martell Award, Chemistry Dept., Texas A&M
  30. Poster Award, Gordon Conference: Chemical reactions, Ventura
  31. Travel Award for the 6th Natural Gas Conversion Symposium, Anchorage, Alaska
  32. Poster Award, Gordon Research Conference: Fuel Cells, Bristol
  33. Kokes/NSF Travel award for the North American Catalysis Symposium, Toronto
  34. Outstanding Oral presentation award at the Industry-Texas A&M symposium
  35. Best Paper Award, Southwest Catalysis Conference, Houston
  36. Poster Award, Gordon Research Conference: Fuel Cells, Bristol
  37. Commended for being outstanding referee by Editor-in-Chief of Journal of Catalysis
  38. Chemical honor society of Phi Lambda Upsilon, academic honor society of Phi Kappa Phi​ 

Tushar Choudhary

@2020 Tushar Choudhary ​