Presentations

Invited

2017

Xu, Z., Recent innovations in oil sands engineering: Contributions from NSERC IRC in Oil Sands Engineering, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017. (Invited)

Xu, Z., Liu, Q. and Z. Li, Recent advances in studying colloidal interactions in mineral processing, COM 2017 Conference of Metallurgists, Vancouver, BC, Canada, August 27-30, 2017.  (Keynote)

Xu, Z., Zhu, Y. and D. Russell, Progress of hybrid extraction of bitumen at ambient temperature from Alberta mineable oil sands, Solvent Leadership Series Workshop 2: Solvent Assisted and Solvent-Based Extraction for Surface Mined Oil Sands, Alberta Innovates, Calgary, AB, Canada, July 13, 2017. (Invited)

Xu, Z., Harbottle, D., Liu, Q. and J. Masliyah, Understanding Petroleum Emulsions, 91st ACS Colloid & Surface Science Symposium, New York, NY, USA, July 9-12, 2017. (Keynote)

2016
Xu, Z., Sjoblom, J., Masliyah, J., Liu, Q. and D. Harbottle, Molecular mechanisms of petroleum emulsion stabilization and demulsification, PetroPhase 2016, Elsinore, Denmark, June 19-23, 2016. (Keynote)
2015

Xu, Z., Production of oil from Canadian oil sands: Challenges and opportunities, International Energy Raw Materials and Energy Summit (Inerma 2015), Istanbul, Turkey, October 1-3, 2015. (Invited)

Xu, Z. and J. Masliyah, Interfacial sciences in water-in-oil petroleum emulsions, International Association of Colloid Interface Scientists (IACIS 2015), Mainz, Germany, May 24-29, 2015. (Keynote)

2014

Xu, Z., Current state of technology for ore upgrading in hydrometallurgy, 6th International Hydrometallurgy Conference, Beijing, China, October 16-19, 2014. (Plenary)

Xu, Z., Zhang, X., Tchoukov, P., Wang, L., Liu, Q. and J. Masliyah, Role of colloidal forces in unconventional oil processing, 88th ACS Colloid & Surface Science Symposium, Philadelphia, PA, June 22-25, 2014. (Keynote)

Xu, Z., Cadien, K. and M. Wyman, Energy and mineral resource development and utilization: past, present and future, International Conference on Engineering Science and Technology (ICEST2014), Beijing, China, June 2-3, 2014. (Keynote)

2013

Xu, Z., Separation of emulsified water in oil emulsions by interfacially active magnetic nano particles, Separation Technology 2013, Stavanger, Norway, September 25-26, 2013. (Invited)

Xu, Z., Zhou, F., Wang, L., Liu, Q(X)., Liu, Q., Masliyah, J. and R. Chi, Flotation technology for upgrading of rare earth ores, The 7th International Conference on Rare Earth Development and Application, Ganzhou, China, August 10-13, 2013. (Plenary)

Xu, Z. and J. Masliyah, Fundamental research and industrial innovation: A case study, Current State and Trend in Low Grade Complex Mineral Resource Utilization: A Life Time Celebration of Professor Wang Dianzuo, Changsha, China, June 14-16, 2013. (Invited)

Xu, Z. and Q. Liu, Surface engineering and application of magnetic particles, 2013 TaiwanMainland Functional Materials Summit, Chongqing, China, May 23-26, 2013. (Invited).

Xu, Z., Wang, L., Tchoukov, P. and J. Masliyah, Study of film drainage dynamics by thin film force apparatus, Sixth Biennial Australian Colloid & Interface Symposium, Noosa, Australia, February 3- 7, 2013. (Keynote)

2012

Xu, Z. and J. Masliyah, Production of bitumen from Canadian oil sands: challenges and opportunities for mineral processing, SUSMP’12 International Conference on Sustainable Mineral Processing, Oulu, Finland, December 10-13, 2012. (Invited)

Xu, Z. and J. Masliyah, Colloidal chemistry in fine particle flotation, International Mineral Processing Symposium 2012, Bodrum, Turkey, October 9-12, 2012. (Plenary) Curriculum Vitae: Zhenghe Xu 2

Xu, Z., Zhou, F., Wang, L., Liu, Q., Masliyah, J. and R. Chi, Fundamental study on reactive oil bubble flotation technology, ECI on Rare Earth Minerals/Metals-Sustainable Technologies for the Future, San Diego, CA, August 12-17, 2012. (Plenary)

Xu, Z., Hou, J., Feng, X. and J. Masliyah, Interfacial characteristics of a biodegradable ethyl cellulose in demulsification of water-in-heavy oil emulsions, 19th International Symposium on Surfactant in Solution, Edmonton, AB, June 24-28, 2012. (Keynote)

Wang, L., Masliyah, J. and Z. Xu, Dissipation of hydrodynamic forces by hydrophobic surfaces in aqueous solutions, IACIS 2012, Sendai, Japan, May 13-18, 2012. (Keynote)

2011

Wang, J., Natarajan, A., Xie, J., Sjoblom, J., Zeng, H. and Z. Xu, Intermolecular interactions of asphaltenes and an asphaltene model compound in organic solvents using a surface forces apparatus, PetroPhase 2011, London, UK, July 10-14, 2011. (Keynote)

Xu, Z. and J. Masliyah, Solvent-assisted hybrid bitumen extraction from Athabasca oil sands, Los Alamos National Laboratory of DOE, Los Alamos, NM, USA, May 2011. (Invited)

Xu, Z., Wang, L. and J. Masliyah, Aqueous film rupture between hydrophobic particles and air bubbles measured by a new surface force device, 241st ACS National Meeting and Exposition, Anaheim, CA, March 27-31, 2011. (Invited)

Xu, Z., Wang, L., Wu, C. and Q. Liu, Phosphate flotation using reactive oily bubbles, 6th World Congress of Beneficiation of Phosphate, Kunming, China, March 6-9, 2011. (Plenary)

Xu, Z., Wang, L. and J. Masliyah, Role of colloidal forces in flotation, 5th Biennial Australian Colloid & Interface Symposium, Hobart, Tasmania, January 30 – February 3, 2011. (keynote)

2010

Xu, Z., Bisson, T., Xia, S. and R. Gupta, Novel developments in mercury removal technologies, 60th Can. Chem. Eng. Conference, Saskatoon, SK, October 24-27, 2010. (Keynote)

Xu, Z. and J. Masliyah, Understanding molecular mechanism of demulsifying water-in-oil emulsions using a biodegradable demulsifier, The Statoil Research Summit, Trondheim, Norway, September 27-29, 2010. (Invited)

Xu, Z. and J. Masliyah, Enhance fine particle flotation by hydrodynamic cavitation, XXV International Mineral Processing Congress, Brisbane, QL, September 6-10, 2010. (Keynote)

2009

Xu, Z. and J. Masliyah, Xu, Z., Current state of technology for mercury emission control from coalfired power plants, 8th World Congress of Chemical Engineering, Montreal, QC, Canada, August 23-27, 2009. (Keynote)

Xu, Z., Production of petroleum from Canadian oil sands, Energia para el Desarrollo Sustentable en America del Norte, Puebla, Mexico, March 19-20, 2009. (Invited)

2008

Xu, Z. and J. Masliyah, Understanding flotation by visualization, XXIV International Mineral Processing Congress, Beijing, China, September 24-28, 2008. (Plenary)

Xu, Z. and J. Masliyah, Bitumen production from Canadian oil sands deposits, Symposium of Frontier Energy Resources, ISOPE 2008, Vancouver, BC, Canada, July 6-11, 2008. (Invited) Curriculum Vitae: Zhenghe Xu 3

Xu, Z., Bitumen production from Alberta oil sands, Workshop at University of Southern California on The Security & Prosperity Partnership: Expanding the Boundaries of North America?, Los Angeles, CA, USA, April 11, 2008. (Invited)

2007

Xu. Z. and R. Gupta, Recent advances in mercury emission control from coal-fired power plant, 6th International Symposium on Coal Combustion, Wuhan, China, December 1-4, 2007. (Plenary)

Xu, Z., A comparison of mineral and oil sands flotation systems, 57th CSChE Conference, Edmonton, AB, Canada, October 28-31, 2007. (Keynote)

Xu, Z. and J. Masliyah, Bitumen production from Canadian oil sands deposits: opportunities and challenges, 3rd Canada-China Economic Cooperation Conference, Edmonton, AB, Canada, June 22, 2007. (Invited)

Xu, Z. and J. Masliyah, Bitumen production from Canadian oil sands deposits, AIChE 2007 Spring Meeting, Houston, TX, USA, April 24, 2007. (Invited)

2006

Xu, Z., Kelly, D. and R. Gupta, Mercury emission control from coal fired power plant, ChemCon 2006, December 27-30, 2006, Bharuch, Gujarat, India. (Plenary).

Xu, Z. and J. Masliyah, Bitumen production from Canadian oil sands deposits, North West Mining Association Annual Meeting, Reno, NV, December 6-8, 2006. (Invited)

Xu, Z., Magnetic nanocomposites for bio and environmental applications, Department of Materials Science and Engineering, Michigan Technological University, Houghton, MI, USA November 10, 2006. (Invited)

Xu, Z., Xu, Z., Liu, Y., Kelly, D., Kuznicki, S., Mitlin, D. and C. Lin, Regenerable sorbent for mercury emission control, 19th Canadian Symposium on Catalysis, Saskatoon, SK, May 14-17, 2006. (Keynote)

Xu, Z., Lu, G., Choung, J., Kelly, D. and D. Tao, Potential of coal cleaning for mercury emission control from Western Canadian Coals, Symposium on Impact of Evolving Mercury Emission Regulations on the Low Rank and Bituminous Coal Industry, Coal Prep 2006, Lexington, KY, May 1-4, 2006. (Invited)

2005

Xu, Z. and J. Masliyah, Role of fundamental research in bitumen production from oil sands ores, Laboratory of Environment and Minerals, CNRS/INPL, Nancy, France, July 2005. (Invited)

J. Masliyah and Z. Xu, Potential of flotation technology in bitumen recovery from oil sands, Centenary of Flotation Symposium, Brisbane, Australia, June 6-9, 2005. (Keynote)

Xu, Z. and J. Masliyah, Modern approach to induction time measurement, Ian Wark Research Institute, University of South Australia, Australia, May 2005. (Invited)

2004

Xu, Z., Development of Novel sorbents for emission control from coal-fired power plants, 2nd International Conference on Energy and Environmental Materials, Guangzhou, China, December 27-29, 2004. (Plenary)

Xu, Z., The potential of coal cleaning and combustion technology for China, Canada-China Energy Cooperation Conference, Edmonton, AB, Canada, November 26-27, 2004. (Invited) Curriculum Vitae: Zhenghe Xu 4

Xu, Z. and G. Lu, Mercury emission control by pre-combustion thermal upgrading, 2nd International Symposium on Energy and Environmental Materials, Zhang Jiajie, China, June 15, 2004. (Invited)

2002

Xu, Z., Magnetic nano particles and composites for environmental applications, International Conference on Energy and Environmental Materials, Guangzhou, China, December 2002. (Plenary)

Xu, Z. and J. Liu, Study of interfacial phenomena with AFM, 9th National Conference on Colloid and Interfacial Chemistry, Jinan, China, October 22, 2002. (Plenary)

Xu, Z., Recent development in coal cleaning and combustion technology, State-Key Laboratory in Coal Chemistry, Chinese Academy of Science, Taiyuan, China, May 20, 2002. (Invited)

Xu, Z., Oil sands: Alberta treasure, Graduate Student Seminar series, Department of Chemical Engineering, Queens’ University, Kingston, ON, Canada, March 21, 2002. (Invited)

2001

Xu, Z., Atomic force microscopic study of colloidal forces, Graduate Student Seminar series, StateKey Laboratory in Colloidal and Interfacial Chemistry, Shandong University, Jinan, People’s Republic of China, December 2, 2001. (Invited)

Liu, J. and Z. Xu, Study of slime-coatings by electrophoretic mobility distribution measurement, INCO Research, Inc., Mississauga, ON, Canada, August 24, 2001. (Invited)

Xu, Z., Gu, Y. and J. Zhu, Engineering of magnetic nanoparticles for bioseparation applications, 2001s’ International Symposium on Nano Materials Technology, Beijing, China, July 4, 2001. (Invited)

Zhu, J. and Z. Xu, Recovery of metal ions using functionalised mesoporous magnetite/silica composites, Symposium on Recycling, 2001 SME Annual Meeting, Denver, CO, USA February 28, 2001. (Invited)

Xu, Z., Engineering of magnetic nanocomposites for bio and environmental applications, Brockhouse Institute for Material Research Seminar Series, McMaster University, Hamilton, ON, Canada, February 19, 2001. (Invited)

2000
Xu, Z., In situ spectroelectrochemistry and STM, Workshop on the Application of Surface Science to Mineral Processing Research, UBC, Vancouver, BC, May 11-12, 2000. (Invited)
1999
Xu, Z., Interfacial phenomena in primary oil recovery, Applications of Microgravity Sciences in Oil Recovery Workshop, Montreal, QC, Canada, June 21, 1999. (Invited)
1997

Z. Xu, Surface engineering of nanosize supermagnetic particles for bio- and environmental applications, 3rd Annual Materials Symposium, University of Alberta, Edmonton, AB, Canada, April 28, 1997. (Keynote)

Xu, Z., Liu, Q. and J.A. Finch, Engineering of magnetic nanocomposites for biological and environmental applications, Composites at Lake Louise ’97: Design for Performance, Lake Louise, AB, October 12-17, 1997. (Keynote)

Technical Conference

2019

Chang, J., Liu, B., Manica, R., Liu, Q. and Z. Xu, Imaging ionic distribution at kaolinite-electrolyte interface: direct evidence of divalent cation adsorption, 9th International Colloids Conference, Sitges, Barcelona, Spain, June 16-19, 2019. (Poster)

Li, R., Manica, R., Yeung, A. and Z. Xu, Spontaneous displacement of high viscosity micron-size oil droplets from a curved solid in aqueous solutions, American Chemical Society National Meeting & Exposition (ACS Spring 2019), Orlando, FL, USA, March 31-April 4, 2019.

Lu, Y., Zhu, Y., Sun, D., Liu, Q. and Z. Xu, Controlling interfacial property through cost-efficient, CO2-responsive assemblies for the enhancement of bitumen recovery, American Chemical Society National Meeting & Exposition (ACS Spring 2019), Orlando, FL, USA, March 31-April 4, 2019.

Lu, Y., Zhu, Y., Sun, D., Liu, Q. and Z. Xu, Strategies of optimizing CO2-responsive assemblies by understanding their switching behaviors and feasibility in application, American Chemical Society National Meeting & Exposition (ACS Spring 2019), Orlando, FL, USA, March 31-April 4, 2019.

He, X., Liang, C., Liu, Q. and Z. Xu, Dewatering process water-in-diluted bitumen emulsions using magnetically responsive Janus particles, American Chemical Society National Meeting & Exposition (ACS Spring 2019), Orlando, FL, USA, March 31-April 4, 2019.

 

2018

Dwaik, C., Xu, Z., Liu, Q. and J. Sjoblom, Electrocoalescence of water-water droplet interactions in model oil emulsions: Effects of chemical demulsifiers, surfactants, and electric field properties, 68th Canadian Chemical Engineering Conference (CSChE), Toronto, ON, Canada, October 28-31, 2018. (Poster)

Zhang, Y., Niu, Z., Charles, S., Sjoblom, J. and Z. Xu, Role of applied electric fields on oil-water interfacial properties measured by interfacial tension and crumpling ratio, 68th Canadian Chemical Engineering Conference (CSChE), Toronto, ON, Canada, October 28-31, 2018. (Poster)

Li, A., Long, J. and Z. Xu, The effect of clay type and solids wettability on bitumen extraction from Canadian oil sands, 68th Canadian Chemical Engineering Conference (CSChE), Toronto, ON, Canada, October 28-31, 2018.

Tan, Y., Li, A., Long, J. and Z. Xu, Using XRF determining potassium content as an indicator of clay properties in Canadian oil sands, Faculty of Engineering Research Symposium, University of Alberta, Edmonton, AB, Canada, July 3-5, 2018.  (Poster)

Qiao, P., Harbottle, D., Tchoukov, P. and Z. Xu, Extended-SARA (E-SARA) analysis:  optimization of asphaltene studies by targeting specific asphaltene subfractions, International Association of Colloid and Interface Scientists 2018 (IACIS2018), Rotterdam, the Netherlands, May 21-25, 2018.  (Poster)

Niu, Z., Li, Z., Manica, R. and Z. Xu, Interfacial properties pertinent to W/O and O/W emulsion systems prepared using polyaromatic compounds, INternational Association of Colloid and Interface Scientists 2018 (IACIS2018), Rotterdam, the Netherlands, May 21-25, 2018.  (Poster)

Manica, R., Zhang, X., Liu, B., Vakarelski, I., Chan, D., Liu, Q. and Z. Xu, The boundary condition at fluid-fluid interfaces, International Association of Colloid and Interface Scientists 2018 (IACIS2018), Rotterdam, the Netherlands, May 21-25, 2018.  (Manica – Keynote)

2017

Hosseini Anvari, M., Liu, Q., Xu, Z. and P. Choi, A molecular dynamics study on contact angle and line tension of galena and sphalerite, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Chen, X., Xu, Z. and D. Sun, Application of fast responsive CO2 switchable microemulsions in drill cuttings treatment, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Lu, Y., Sun, D. and Z. Xu, Enhancement of oil sands extraction using CO2 responsive supra-amphiphiles, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Russell, D., Xu, Z. and Q. Liu, Improved efficiency bitumen extraction process using petroleum diesel, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Chang, J., Xu, Z. and Q. Liu, Investigation of the anisotropic surface characteristics of kaolinite by atomic force microscopy, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Ng. J., Liu, Q. and Z. Xu, Applications of thermoresponsive hybrid polymer in oil sands mining, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Tang, Y. C., Liu, Q. and Z. Xu, Polymer at interface: Single-molecule adhesion force of stimuli-responsive polymer on hydrophobic surfaces in aqueous solution, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Manica, R., Liu, Q. and Z. Xu, Hydrodynamic interactions involving drops and bubbles, Honourary Symposium in Recognition of Jacob Masliyah for Outstanding Contributions in Heavy Oil Processing, 67th Canadian Chemical Engineering Conference (CSChE), Edmonton, AB, Canada, October 22-25, 2017.

Tao, H., Liu, S., Luo, J-L., Choi, P., Liu, Q. and Z. Xu, Descriptor of oxygen reduction reaction(ORR) catalytic activity of metal chalcogenides: A potential indicator for mineral flotation and ORR catalyst design, COM 2017 Conference of Metallurgists, Vancouver, BC, Canada, August 27-30, 2017. (Awarded 1st prize PhD category for student poster.)

Ivanova, N, Manica, R., Liu, Q. and Z. Xu, Water-in-oil emulsion stabilized by model asphaltene compound C5PeC11: A study of approach velocity, wettability and temperature on thin liquid film drainage between water droplet and solid surface, 91st ACS Colloids & Surface Science Symposium, New York, NY, USA, July 9-12, 2017.

Dwaik, C., Zhang Y. and Z. Xu, Measuring electrocoalescence and interfacial tension under the influence of electric fields with various controlling factors, JIP Conference (NTNU), Aberdeen, UK, May 30-31 & June 1, 2017.

Wang, C. and Z. Xu, Volute Screw Press: Application in Fine Tailings Management, COSIA Innovation Summit 2017, Calgary, AB, Canada, March 21-22, 2017.

2016

Zhu, Y., Masliyah, J. and Z. Xu, Innovative hybrid extraction process of bitumen from Athabasca oil sands, 66th Canadian Chemical Engineering Conference (CSChE), Quebec City, QC, Canada, October 16-19, 2016.

Niu, Z., Yan, C. and Z. Xu, Molecular demulsification mechanism of EO-PO copolymers studied by C5Pe asphaltene model compound, 66th Canadian Chemical Engineering Conference (CSChE), Quebec City, QC, Canada, October 16-19, 2016.

Wang, C. and Z. Xu, The new Volute Screw Press: Applications in fine tailings dewatering, Alberta NWT/Nunavut Regional CMP Conference, Fort McMurray, AB, Canada, October 13, 2016.

Dodonov, V. and Z. Xu, Dual bubble generator in a flotation column, Alberta NWT/Nunavut Regional CMP Conference, Fort McMurray, AB, Canada, October 13, 2016.

2015

Masliyah, J. and Z. Xu, Oil sands tailings: A challenge, 65th Canadian Chemical Engineering Conference, Calgary, AB, Canada, October 4-7, 2015. 99 Hosseininejad, S., Hayes, R.E. and Z. Xu, CFD modeling of bubble interactions in pipe flow using Eulerian and Lagrangian approaches, 65th Canadian Chemical Engineering Conference, Calgary, AB, Canada, October 4-7, 2015.

Zhang, Y., Xu, Z. and Q. Zhao, Oil sands processability analysis using symbolic regression, 65th Canadian Chemical Engineering Conference, Calgary, AB, Canada, October 4-7, 2015.

Chao, H., Tang, Y., Li, Z., Liu, Q. and Z. Xu, Design, synthesis and application of temperature switchable block co-polymers to oil sands extraction, 65th Canadian Chemical Engineering Conference, Calgary, AB, Canada, October 4-7, 2015.

Zhen, N., Li, Z, and Z. Xu, Demulsification performance of ethylene oxide/propylene oxide copolymer at elevated temperature/pressure studied by focused beam reflectance measurement, 65th Canadian Chemical Engineering Conference, Calgary, Alberta, October 4-7, 2015.

Liang, C. Liu, Q. and Z. Xu, Magnetic demulsifier nanoparticles using cellulosic derivatives, 65th Canadian Chemical Engineering Conference, Calgary, AB. Canada, October 4-7, 2015.

Wang, C., Han, C., Liu, Q. and Z. Xu, Role of pre-conditioning cationic Zetag® flocculant in enhancing MFT flocculation, 65th Canadian Chemical Engineering Conference, Calgary, AB, Canada, October 4-7, 2015.

2014

Yan, L., Xu, Z. and J. Masliyah, Adsorption of carboxymethyl cellulose on talc basal and edge surfaces probed by atomic force microscopy, IMPC 2014, Santiago, Chile, October 20-24, 2014.

Bisson, T., Xu, Z., Zhou, Z., Liu, X. and M. Xu, Removal of Hg0 and NO by novel Ag-VR2ROR5 chabazite catalytic sorbent, 64th Canadian Chemical Engineering Conference, Niagara Falls, ON, Canada, October 19-22, 2014.

Chen, T., F. Lin, Xu, Z., Effect of salinity on the warm-water based processing of oil sands, 11th Annual Canadian Mineral Processors Conference, Fort McMurray, AB, Canada, October 8, 2014. Curriculum Vitae: Zhenghe Xu 6

Lin, F., He, L., Primkulov, B. and Z. Xu, Dewetting dynamics of two-liquid systems: a micro-scale study, 88th ACS Colloid and Surface Science Symposium, University of Pennsylvania, Philadelphia, PA, USA, June 22-25, 2014.

Li, Z., Sjøblom, J., Liu, Q., Xu, Z., Stabilizing asphaltenes with dodecyl benzene sulfonic acid, Joint Industry Program Meeting, Osnabrück, Germany, June, 4, 2014.

 

Pensini, E., Harbottle, D., Yang, F., Tchoukov, P., Li, Z., Xu, Z., Masliyah, J., Polymeric EO-PO demulsifier to break water-in-oil emulsions, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014.

Yang, F., Tchoukov, P., Dettman, H., Pensini, E., Dabros, T., Czarnecki, J., Xu, Z., Role of different asphaltene fractions in stabilization water-in-oil emulsions, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014. (Poster)

He, L., Lin, F., Xu, Z., Li, X., Sui, H., Mechanistic study on solvent-enhanced bitumen liberation from oil sands ores, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014. (Poster)

Chen, T., Lin, F., Xu, Z., Effect of salinity on the warm-water based processing of oil sands, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014. (Poster)

Lin, F., He, L., Hou, J., Masliyah, J., Xu, Z., Understanding the role of demulsifier in processing of mineable oil sands at ambient temperature using aqueous-nonaqueous extraction process, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014.

Liang, Y., Pensini, E., Harbottle, D., Xu, Z., Understanding demulsification mechanisms of waterin-oil emulsions by ethylcellulose-rheological properties and film morphology, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014. (Poster)

Li, Z., Xu, Z., Aggregation of asphaltenes from Athabasca Oil Sands, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014. (Poster)

Tchoukov, P., Harbottle, D., Yang, F., Czarnecki, J., Dabros, T., Xu, Z., A possible stabilization mechanism of water-in-crude oil emulsions: Thin liquid film and interfacial shear rheology study, Oil Sands 2014, Edmonton, AB, Canada, April 28-30, 2014.

Xu, Z., Harbottle, D., Moorthy, K., Tchoukov, P., Petroleum emulsion stability governed by interfacial rheological properties, 247PthP ACS National Meeting, Dallas, TX, USA, March 16-20, 2014.

Arguelles-Vivas, F., Bobicki, E., Irfan, M. Liu, Q., Babadagli, T., Bisson, and Z. Xu, Understanding CO2 storage under geological storage conditions, 2014 SME Annual Meeting & Exhibit, Salt Lake City, UT, USA, February 23-26, 2014.

2013

Xu, Z., Zhou, Z., Wang, L., Liu, Q., Masliyah, J., Xiao, N., Liu, Q. and R. Chi, Application of reactive oil bubble flotation technology to rare earth mineral flotation, MS&T’13, Montreal, QC, Canada, October 27-31, 2013.

Xu, Z., Klein, C., Osborn, I., Kaura, A. and D. Harbottle, Creating non-segregating tailings by activated sand particles, 63PrdP Canadian Chemical Engineering Conference, Fredericton, NB, Canada, October 20-23, 2013. Curriculum Vitae: Zhenghe Xu 7

Yan, L., Masliyah, J., and Z. Xu, Study anisotropic platy minerals from direct force measurement using AFM, 63PrdP Canadian Chemical Engineering Conference, Fredericton, NB, Canada, October 20-23, 2013.

Xu, Z., Lin F., He L., Masliyah J., Hybrid bitumen extraction fundamentals, 10th Alberta Canadian Mineral Processors Conference, Fort McMurray, AB, Canada, October 3, 2013.

Kuznicki, N., Krasowska, M., Sellaperumage, P. M. F., Xu, Z., Masliyah, J., Ralston, J. and M. N. Popescu, Cascade partial coalescence of a rising oil droplet at an oil-electrolyte interface, ECIS 2013 – 27th Conference of European Colloid and Interface Society, Sofia, Bulgaria, September 1- 6, 2013.

Tchoukov, P., Yang, F., Harbottle, D., Czarnecki, J., Dabros, T. and Z. Xu, Interfacial shear rheology and thin liquid film study of water-in-crude oil emulsions, ECIS 2013 – 27th Conference of European Colloid and Interface Society , Sofia, Bulgaria, September 1-6, 2013.

Xu, Z., Moorthy, K., Wang, L., Liu, Q., Masliyah, J. and P. Tchoukov, Bridge between drop coalescence and interfacial rheology, Petrophase 2013, Rueil-Malmaison, France, June 10-13, 2013.

Alagha, L., Wang, S., Yan, L., Xu, Z. and J. Masliyah, Probing polymer adsorption on anisotropic surfaces using QCM-D, 3PrdP Chinese QCM-D Users Workshop, Beijing, China, May 30-31, 2013.

Xu, Z., Yan, L., Alagha, L. and J. Masliyah, Probing anisotropic surface characteristics of clay minerals by atomic force microscope, CONRAD Oilsands Clay Conference, Edmonton, AB, February 20-21, 2013.

Kuznicki, N., Krasowska, M., Sellaperumage, P.M.F., Xu, Z., Masliyah, J., Ralston J. and M.N. Popescu, Surface potential bounds inferred from a cascade-partial coalescence phenomenon, ACIS 2013 Australia Colloid & Interface Symposium, Noosa, Australia, February 3-7, 2013.

2012

Liang, C., Peng, J., Harbottle, D., Liu, Q., Xu, Z. and J. Masliyah, Dewatering emulsions using magnetic particles functionalized with cellulose, International Conference on Colloids and Complex Fluids: Challenges and Opportunities, Rueil-Malmaison, France, October 17-19, 2012.

Alagha, L., Wang, S., Xu, Z. and J. Masliyah, Adsorption kinetics of polyacrylamide-based polymers on kaolinite studied by quartz crystal microbalance, International Conference on Colloids and Complex Fluids: Challenges and Opportunities, Rueil-Malmaison, France, October, 17-19, 2012. (Poster)

Harbottle, D., Moorthy, K., Wang, L., Yang, F., Tchoukov, P., Masliyah, J., and Z. Xu, Interfacial rheology and its role in the stability of water-oil interfaces, 62nd CSChE Conference, Vancouver, BC, Canada, October 14-17, 2012.

Li, H., Xu, Z., Liu, Q., Afacan, A., Harbottle, D. and J. Masliyah, On line observation of heterogeneous nucleation on a bitumen surface under hydrodynamic conditions, 62nd CSChE Conference, Vancouver, BC, Canada, October 14-17, 2012.

Shahalami, M., Wang, L., Masliyah, J., Xu, Z., Wu, Ch. and D. Y. C. Chan, Study in dynamic forces between an air bubble and a hydrophilic glass surface with the integrated thin film drainage apparatus (ITFDA), 62nd CSChE Conference, Vancouver, BC, Canada, October 14-17, 2012.

Ghadirian, M., Mmbaga, J. P., Afacan, A., Hayes, R. E. and Z. Xu, A robust model for a hydrocyclone: Methodology and application, 62nd CSChE Conference, Vancouver, BC, Canada, October 14-17, 2012.

Curran M., Tamiz Bakhtiari, M., Zhu, Q., Harbottle, D., Xu, Z., Liu, Q., Masliyah, J., Spence, J., Siy, R. and S. Ng, Effect of caustic addition on the processing of oil sands, 62nd CSChE Conference, Vancouver, BC, Canada, October 14-17, 2012.

Zhang, Y., Zhao, Q. and Z. Xu, Understanding processability of oil sands ores using principal component analysis and support vector machine, 62nd CSChE Conference, Vancouver, BC, Canada, October 14-17, 2012.

Madjlessikupai, M., Harbottle, D., Xu, Z. and J. Masliyah, Characterization of rag-forming solids, Oil Sands 2012 Conference, Edmonton, AB, Canada, August 28-30, 2012.

Liang, C., Liu, Q. and Z. Xu, Stabilizing temporary emulsions using switchable wetting particles, Oil Sands 2012 Conference, Edmonton, AB, Canada August28-30, 2012.

Curran, M., Tamiz Bakhtiari, M., Zhu, Q., Harbottle, D., Spence, J., Siy, R., Ng, S., Liu, Q.X., Masliyah, J. and Z. Xu, Role of caustic in processing of oil sands, Oil Sands 2012 Conference, Edmonton, AB, Canada, August 28-30, 2012.

Klein, C., Harbottle, D., Alagha, L. and Z. Xu, Effect of residual bitumen on polymer-based flocculation of mature fine tailings, Oil Sands 2012 Conference, Edmonton, AB, Canada, August 28-30, 2012.

Tchoukov, P., Yang, F., Xu, Z., Dabros, T., Czarnecki, J. and J. Sjoblom, Role of asphaltenes in stabilizing w/o emulsions-thin liquid film study, 19PthP International Symposium on Surfactants in Solutions (SIS2012), Edmonton, AB, Canada, June 24-28, 2012.

Tamiz Bakhtiari, M., Zhu, Q., Curran, M., Harbottle, D., Liu, Q., Xu, Z. and J. Masliyah, Effect of water chemistry on the processing performance of oil sands ores, 95PthP Canadian Chemistry Conference, Calgary, AB, Canada, May 26-30, 2012.

Yan, L., Masliyah, J. and Z. Xu, Determination of anisotropic surface charge characteristics of different phyllosilicates by direct force measurements, IACIS 2012, Sendai, Japan, May 13-18, 2012

2011

Tseng, H., Xu, Z. and J. Masliyah, Understanding the role of a clay binder in improving processability of low-grade oil sand ores, 8PthP Annual Alberta CMP Seminar, Fort McMurray, AB, Canada, October 20, 2011.

Wang, L., Trong, D.V., Xu, Z. and J. Masliyah, Use of amine in processing of weathered/oxidized oil sands ores, 8PthP Annual Alberta CMP Seminar, Fort McMurray, AB, Canada, October 20, 2011.

Xu, Z. and J. Masliyah, Bitumen Production from Alberta Oil Sands: Challenges and Opportunities, NRC-Steacie Institute of Molecular Science, Ottawa, ON, Canada, August 26, 2011.

Yan, L., Xu, Z. and J. Masliyah, Determining anisotropic surface character of different clays by direct force measurements, 85PthP ACS Colloid & Surface Science Symposium, McGill University, Montreal, QC, Canada, June 19-22, 2011. Curriculum Vitae: Zhenghe Xu 9

Wang, J., Sjoblom, JH., Xu, Z. and H. Zeng, Intermolecular and surface interactions of an asphaltene model compound in aqueous solutions, 85PthP ACS Colloid and Interface Science Symposium, McGill University, Montreal, QC, Canada, June 19-22, 2011.

Xu, Z., Wang, L., Deng, M., Liu, Q. and J. Masliyah, Physical properties of heavy oil-water interfaces in the context of oil removal from sea water by froth flotation, 2011 SME Annual Meeting and Exhibit, Denver, CO, USA, February 27-March 2, 2011.

Wang, L., Sharp, D., Xu, Z. and J. Masliyah, Study interactions between air bubble and bitumen surfaces by a novel induction timer, 2011 SME Conference, Denver, CO, USA, February 27-March 2, 2011.

Srinivasa, S., Flury, C., Afacan, A., Xu, Z. and J. Masliyah, Visualization of bitumen liberation using a novel flow cell, Oil Sands 2011, Edmonton, AB, Canada, February 23-24, 2011.

Xu, Z. and J. Masliyah, Challenges in oil sands tailings management, Oil Sands 2011, Edmonton, AB, Canada, February 23-24, 2011.

Xu, Z., Liu, Q., Peng, J. and J. Masliyah, A novel magnetic demulsifier for removal of water in diluted bitumen, Oil Sands 2011, Edmonton, AB, Canada, February 23-24, 2011.

Wang, L., Sharp, D., Xu, Z. and J. Masliyah, Study interactions between air bubble and bitumen surfaces by a novel surface force apparatus, Oil Sands 2011, Edmonton, AB, Canada, February 23- 24, 2011.

Zhang, M., Xu, Z. and J. Masliyah, Role of bitumen viscosity in bitumen recovery from Athabasca oil sands, Oil Sands 2011, Edmonton, AB, Canada, February 23-24, 2011.

2010

Zhu, R., Liu, Q., Xu, Z., Masliyah, J. and A. Khan, Role of carbon dioxide on sedimentation of oil sands tailings, 60PthP CSChE Conference, Saskatoon, SK, Canada, October 24-27, 2010.

Natarajan, A., Xie, J., Wang, S., Masliyah, J. Zeng, H. and Z. Xu, Interactions of asphaltenes surfaces in organic solvents using surface force apparatus (SFA), 60PthP CSChE Conference, Saskatoon, SK, Canada, October 24-27, 2010.

Wang, L., Sharp, D., Xu, Z. and J. Masliyah, A new surface force apparatus for determining interactions forces between an air bubble and bitumen surface under processing conditions, 60PthP CSChE Conference, Saskatoon, SK, Canada, October 24-27, 2010.

2009

Feng, X., Gao, S., Mussone, P., Wang, S., Wu, S., Masliyah J. and Z. Xu, A biodegradable polymer for demulsification of water-in-bitumen emulsions, 8th World Congress of Chemical Engineering, Montreal, QC, Canada, August 23- 27, 2009.

Maham, Y., Dang-Vu, T., Xu, Z. and J. Masliyah, Understanding hydrophobicity origin of solids from Athabasca oil sands, 8th World Congress of Chemical Engineering, Montreal, QC, Canada, August 23-27, 2009.

Wang, L., Dang-Vu, T., Xu, Z. and J. Masliyah, Use of short chain amine in processing of weathered/oxidized oil sands ores, 8th World Congress of Chemical Engineering, Montreal, QC, Canada, August 23- 27, 2009.

Ren, S., Xu, Z. and J. Masliyah, Study of bitumen-bubble interactions by atomic force microscopy, 13th International Conference on Surface & Colloid Science, New York, NY, USA, June 14-19, 2009.

Mussone, P., Xu, Z. and J. Masliyah, UV-induced modifications in bitumen Langmuir films, 13th International Conference on Surface & Colloid Science, New York, NY, USA, June 14-19, 2009.

2008

Liu, Y., Xu, Z., Zhu, Z., Feng, S., Kuznicki, S. and H. Yang, Crystalline perfection of silver nanoparticles formed on chabazite, 20th Canadian Material Science Conference, Edmonton, AB, Canada, June 18-19, 2008.

Dong, J., Xu, Z. and S. M. Kuznicki, Synthesis of novel, regenerable magnetic sorbent for mercury capture from flue gases, 82nd ACS Colloid and Surface Symposium, Raleigh, NC, USA, June 15-18, 2008.

2007

Zhao, H., Long, J., Masliyah, J. and Z. Xu, Effect of divalent cations, surfactants and bicarbonates on bitumen extraction, 2007 Water Usage Workshop and Seminar, Calgary, AB, Canada, November 21-22, 2007.

Liu, Y., Kelly, D., Lin, C., Xu, Z. and S. Kuznicki, An Environmental Friendly Recyclable Sorbent for Mercury Control, 57th CSChE Conference, Edmonton, AB, Canada, October 28-31, 2007.

Dong, J., Mielczarski, J.A., Mielczarski E. and Z. Xu, In situ characterization of the adsorbed cancanavalin A on germanium surface at various pH, 57th CSChE Conference, Edmonton, AB, Canada, October 28-31, 2007.

Liu, Y., Chen, F., Kuznicki, S., Wasylishen, R. and Z. Xu, A study of silver nanocomposites as mercury sorbent, Material Science and Technology 2007 Conference and Exhibition, Detroit, MI, USA, September 2007.

Xu, Z., Application of surface analysis to study of water chemistry in flotation, Round Table-Effect of water quality on mineral processes, Quebec City, QC, Canada, September 19, 2007.

Xu, Z., Mercury emission control from coal-fired power plant, Mini-Workshop on Clean Coal Technology, University of Alberta, Edmonton, AB, Canada, February 2, 2007

2006

Long, J., Xu, Z. and J. Maslyah, On the role of temperature in oil sands processing. Oil Sands 2006 Conference, Edmonton, AB, Canada, 2006.

2005

Su, L., Xu, Z. and J. Masliyah, Role of oily bubbles in enhancing bitumen flotation, Centenary of Flotation Symposium, Brisbane, Australia, June 6-9, 2005.

Zhao, H., Long, J., Masliyah, J. and Z. Xu, Effect of water chemistry on bitumen-silica interactions, 55th CSChE Conference, Toronto, ON, Canada, 2005.

Masliyah, J., Long, J. and Z. Xu, Colloidal interactions and stability of clay suspensions, 229th National Meeting American Chemical Society, San Diego, CA, USA, 2005.

2004

Xu, Z. and N. Su, Role of oily bubble in bitumen extraction, Oil Sands Symposium, University of Alberta, Edmonton, AB, Canada, May 3, 2004.

Lopetinsky, R., Masliyah, J. and Z. Xu, Langmuir and Langmuir-Blodgett films of asphaltenes, deasphalted bitumen and silica nanoparticles at toluene-water interfaces, 54th CSChE Conference, Calgary, AB, Canada, 2004.

Liu, J., Xu, Z. and J. Masliyah, Insight into oil sands ore processability, 54th CSChE Conference, Calgary, AB, Canada, 2004.

2002

Chen, Z. K., Lu, B. T., Luo, J. L., Patchett, B. and Z. Xu, Study of corrosion behavior of welded 304 austenitic stainless steel using scanning reference electrode technique, The 41st Annual Conference of Metallurgists, Montreal, QC, Canada, August 11-14, 2002. (Poster)

2000

Choung, J. W., Xu, Z. and J. A. Finch, Ambient temperature ferrite process for acid rock drainage treatment, 5th International Conference on Acid Rock Drainage, Denver, CO, USA, May 21-24, 2000.

Xu, Z., Choung, J. and J. Szymanski, An integrated process for recovering fine coals and recycling water from coal tailings, Coal Prep 2000, Lexington, KY, USA, May 2-4, 2000.

Kasongo, T., Zhou, Z., Xu, Z. and J. Masliyah, On-line characterization of bubble behavior in a laboratory flotation machine, Flotation 2000, Adelaide, Australia, March 29-31, 2000.

Zhou, Z., Xu, Z., Masliyah, J., Kasongo, T., Christendat, D., Hyland, K., Kizior, T. and D. Cox, Application of on-line visualization of flotation systems, 32nd Annual Canadian Mineral Processors Operators Conference, Ottawa, ON, Canada, January 18-20, 2000.

1999

Choung, J. W., Liu, J., Szymenski, J. and Z. Xu, An integrated approach for coal tailings management, 49th Canadian Chemical Engineering Conference, Saskatoon, SK, Canada October 3-6, 1999.

Chi, R., Xu, Z., DiFeo, T., Finch, J. A. and J. Yordan, “Measurement of interaction forces between talc and toner particles”, 5th Research Forum on Recycling, Montreal, QC, Canada, September 28- 30, 1999.

Choung, J.W., J. Liu, Z. Xu and J. Szymanski, Flocculant in integrated coal tailing’s processing by hydrophobic extraction, 38th Annual Conference of Metallurgist, Quebec City, QC, Canada, August 22-25, 1999.

Xu, Z. and J. Masliyah, Effect of water chemistry on water recovery from oil sands, CONRAD Water Chemistry Workshop, Fort McMurray, AB, Canada, July 8, 1999.

Chi, R., Xu, Z. and J. Yordan, Measurement of interaction forces between ink and talc particles, 1999 SME Annual Meeting, Denver, CO, USA, March 1-3, 1999.

1998

Chen, F., Finch, J. A., Xu, Z. and J. Czarnecki, Wettability of fine solids extracted from bitumen froth, 216th ACS National Meeting, Boston, MA, USA, August 23-27, 1998.

Choung, J. W., Xu, Z. and J. A. Finch, Solutions to calcium problem in ambient temperature ferrite process applied to acid mine drainage treatment, 37th Annual Conference of Metallurgists, Calgary, AB, Canada, August 16-19, 1998.

T. Difeo, J. A. Finch and Z. Xu, Sphalerite-silica interactions, Annual General Meeting of CIM, Montreal, QC, Canada, May 6, 1998.

Gelinas, S., Finch, J. and Z. Xu, Functionalization of nanosizeed maghemite particles by molecular self-assembly using dibenzonic acid diamide bolaamphiphile, Engineering Foundation Conferences: Surface Characterization of Adsorption and Interfacial Reactions II, Kona, HI, USA, January 11-16, 1998. (Won best poster award)

1997

Xu, Z., Role of fine solids and air bubbles in froth flotation, 47th Canadian Chemical Engineering Conference, Edmonton, AB, Canada, October 5-8, 1997.

Wang, W., Xu, Z., Choung, J. W. and J. A. Finch, Challenges for ambient temperature ferrite process in acid mine drainage treatment, 36th Annual Conference of Metallurgists, Sudbury, ON, Canada, August 18-20, 1997.

Xu, Z., Organic thin films in tribology and corrosion applications, Workshop on Films and coatings in industrial applications, Montreal, QC, Canada, June 17, 1997.

Liu, Q., Xu, Z., and J. A. Finch, A novel approach for fabricating magnetic carriers, 2nd Joint CIESC/AIChE Conference, Beijing, China, May 19-22, 1997.