"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.
“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.
“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 .
“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.
“ 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.
“Engineering Education in Canada”, invited presentation at Wuhan University, Wuhan, China, December 13, 2004.
“Energy and the Environment: Challenges and Opportunities for Chemical Engineers”, Key-note speech at ASEAN society for Chemical Engineering, December 1, 2004.
“Advance in CO2 Separation Research”, invited presentation at Chulalongkorn University, Thailand, July 27, 2004
"CO2 and the Environment: RESEARCH CHALLENGES AND OPPORTUNITIES for Engineering Profession", 9th Dinner Talk for AICh.E. Thailand, July 26, 2004.
"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.
“International Test Center for CO2 Capture (ITC)”, presented at CO2 Capture Test Network - 4th Workshop, Kyoto, Japan, 5th October, 2002.
"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)
“Advanced CO2 Separation Research”, CO2 Research Meeting (organized by Alberta Department of Energy), Edmonton, January 22, 1998;
“CO2 Separation Research at U of Regina”, invited talk given to Nova Corp., Calgary, Nov. 28 1996.
“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;
“Optimization of CO2 Extraction Technologies”, CO2 Research Initiative Workshop (organized by Government of Alberta through its Department of Energy), Edmonton, December 7-8, 1995;
"CO2 Recovery from Coal Combustion and Gasification", the Coal Science Advisory Board Meeting, Estevan, January 21, 1992;
"Recovery of CO2 from Industrial Sources: Research Challenges and Opportunities", Dept. of Chemistry, University of Regina, March 18, 1992.
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
Research Consortium of International Test Centre for CO2 Capture Sponsored By:
SaskPower, EnCana, HTC Purenergy, E.ON|UK, Saudi Aramco, Research Institute of Innovative Technology for the Earth (RITE), Alberta Energy Research Institute (AERI), RWEnpower, Babcock & Wilcox, Natural Resources Canada, and Saskatchewan Energy & Resources
Other support also provided by:
Canada Foundation for Innovation (CFI), Natural Sciences and Engineering Research Council of Canada, Western Economic Diversification Canada, Government of Saskatchewan, Alberta Research Council, Natural Resources Canada, University of Waterloo, and University of Regina.