1. “Post Combustion Capture Research by the University of Regina and the International Test Centre for CO2 Capture (ITC): Pilot Plant Studies and Economic Evaluations” Key-note presentation at 12th MEETING of the INTERNATIONAL POST-COMBUSTION CO2 CAPTURE NETWORK, ailment 29th September – 1st October 2009 Regina, cialis Canada (by Paitoon Tontiwachwuthikul, rx Raphael Idem and Don Gelowitz)
  2. “Latest Research on Fundamental Studies of CO2 Capture Process Technologies at the Process Systems Laboratory, University of Regina” Invited presentation at 12th MEETING of the INTERNATIONAL POST-COMBUSTION CO2 CAPTURE NETWORK, 29th September – 1st October 2009 Regina, Canada (by Paitoon Tontiwachwuthikul, Raphael Idem and Don Gelowitz)
  3. “Pilot Plant Experience at the International Test Centre for CO2 Capture, University of Regina, Canada” Invited presentation  at “Symposium on Amines for Post Combustion Capture” organized by Research Institute of Innovative Technology for the Earth (RITE) and sponsored by Asia Pacific Partnership on Clean Development and Climate (Australian Federal Government), May 26th – 2009.
  4. “Overview: CO2 Capture Technologies”, Invited presentation at IEA GHG CCS Summer School Workshop, August 24-30, 2008, Vancouver Island, Canada.
  5. “Update on Activities at The International Test Centre for CO2 Capture, University of Regina”: Invited presentation  at11th MEETING of the INTERNATIONAL POST-COMBUSTION CO2 CAPTURE NETWORK, 20th-21st May, 2008, Vienna, Austria.
  6. “Recent Research and Development on Carbon Dioxide Capture”, Key-note presentation at ISEIS 2007 International Conference environmental Informatics, November 21-23, 2007, Bangkok, Thailand.
  7. “R & D Needs on CO2 Capture Research”, Panelist at Panel Discussion at CSCHE 2007 – Symposium on Greenhouse gas control technologies”, Edmonton, October 28-31, 2007.

  8. “Carbon Constrained World: Petroleum Industry’s Challenges and Opportunities”, Key-note presentation at ICAPP 2007 – International Conference on Advance Petrochemical and Polymer Technologies”, Bangkok, Thailand, June 25-28, 2007.

  9. “International Activities on CO2 Capture and Storage – An Overview”, Challenges and Opportunities”, Key-note presentation at Special Workshop on CO2 Capture, Storage and Enhanced Oil Recovery”, organized by China National Petroleum Corporation, Beijing, China, November 16, 2006.

  10. “CO2 Capture Using Reactive Amines and Formulated Solvents”, Key-note presentation at Special Workshop on CO2 Capture, Storage and Enhanced Oil Recovery”, organized by China National Petroleum Corporation, Beijing, China, November 16, 2006 .

  11. “CO2 Capture Using Reactive Amines and Formulated Solvents”, Key-note presentation at INTERNATIONAL SEMINAR ON CARBON SEQUESTRATION AND CLIMATE CHANGE, organized by PetroBras, Rio de Janeiro, Brasil, 24-27 October 2006.

  12. “ CO2 Capture and Exaction Using Amines and Formulated Reactive Solvents: ITC Perspective and Pilot Plant Experience ”, Key-note presentation at Saudi Aramco – the 1st International Symposium on Carbon Management in Dhahran, Saudi Arabia on May 22-24, 2006.

  13. “Engineering Education in Canada”, invited presentation at Wuhan University, Wuhan, China, December 13, 2004.

  14. “Energy and the Environment: Challenges and Opportunities for Chemical Engineers”, Key-note speech at ASEAN society for Chemical Engineering, December 1, 2004.

  15. “Advance in CO2 Separation Research”, invited presentation at Chulalongkorn University, Thailand, July 27, 2004

  16. “CO2 and the Environment: RESEARCH CHALLENGES AND OPPORTUNITIES for Engineering Profession”, 9th Dinner Talk for AICh.E. Thailand, July 26, 2004.

  17. “CO2 Separation Research at International Test Center for CO2 Capture (ITC)”, Key-note paper at the 2nd Advance Petrochemical and Polymer Conference”, Bangkok, Thailand, July 2003.

  18. “International Test Center for CO2 Capture (ITC)”, presented at CO2 Capture Test Network – 4th Workshop, Kyoto, Japan, 5th October, 2002.

  19. “Designer Solvents for Energy Efficient CO2 Separation from Flue Gas Streams”, Key-note paper on CO2 Capture Technologies at the 4th International Conference on Greenhouse Gas Control Technologies”, Interlaken, Switzerland, August 1998. (with A. Chakma)

  20. “Advanced CO2 Separation Research”, CO2 Research Meeting (organized by Alberta Department of Energy), Edmonton, January 22, 1998;

  21. “CO2 Separation Research at U of Regina”, invited talk given to Nova Corp., Calgary, Nov. 28 1996.

  22. “Update and Progress of Advanced Amine Absorption Research”, CO2 Research Meeting (organized by Alberta Department of Energy and Canadian Liquid Air LTD.), Edmonton, May 9, 1996;

  23. “Optimization of CO2 Extraction Technologies”, CO2 Research Initiative Workshop (organized by Government of Alberta through its Department of Energy), Edmonton, December 7-8, 1995;

  24. “CO2 Recovery from Coal Combustion and Gasification”, the Coal Science Advisory Board Meeting, Estevan, January 21, 1992;

  25. “Recovery of CO2 from Industrial Sources: Research Challenges and Opportunities”, Dept. of Chemistry, University of Regina, March 18, 1992.

  26. Idem, R. O. et al., Hydrogen Production by Reforming of Fossil and Biomass Fuels Accompanied by Carbon Dioxide Capture Process is the Energy Source for the Near Future, (2006), Keynote Speaker, World renewable energy and environment conference, Tripoli, Libya, January 22-24, 2006