Hui Zhang , Ph. D.
Dr. Zhang is a Senior Research Scientist and an Adjunct Research Professor in the Department of Chemical and Biochemical Engineering, the University of Western Ontario. Dr. Zhang received his PhD degree (Chemical Engineering) in September 1999 from the University of Western Ontario and his Master’s and Bachelor’s degrees (Chemical Engineering) from Sichuan University. Before his PhD program, he was a lecturer and a research scientist at Sichuan University. Most of his previous and current researches are particle technology related such as ultra-fine powder handling, fine powder coatings, functional nano-materials,etc.
 
 

Education

 
 
Ph.D
1999
Department of Chemical Engineering
University of Western Ontario, Canada
M.Eng.
1990
Department of Chemical Engineering
Sichuan University, China
B. Eng.
1987
Department of Chemical Engineering
Sichuan University, China

 
 
 
 

Professional Experience

 
 

Academic Research

Senior
Research Scientist

2000 - Present

Department of Chemical & Biochemical Engineering
University of Western Ontario, Canada
PhD Research 1995 - 1999 Department of Chemical & Biochemical Engineering
University of Western Ontario, Canada

Research Scientist

1987 - 1994

Department of Chemical Engineering,
Sichuan University, China

Teaching

Adjunct Research Professor

 

Co-supervisor of Graduate Students

2008 - Present

 

 

2005 - Present

Department of Chemical & Biochemical Engineering
The University of Western Ontario, London, Canada

 

Course Teaching: Fine Powder Technologies and Applications

Co-supervised 6 PhD students and 5 Master’s students (7 students have graduated).

Lecturer

1990 - 1994

Department of Chemical Engineering Sichuan University, China

Courses taught: Transport Phenomena (Mass, Heat and Momentum Transfer); Unit Operations; Labs of Mass, Heat and Momentum Transfer; 4-th Year Thesis Projects.

Teaching Assistant

1987-1990

Department of Chemical Engineering, Sichuan University, China

Courses taught: Unit Operations; Engineering Thermodynamics; Labs of Mass, Heat and Momentum Transfer; 4-th Year Thesis Projects

 
 
 
 

Research Interests

 
 

1)   Syntheses and applications of nano-particles for:

  • Fluidize-ability enhancement of ultra-fine powders
  • Environmentally friendly functional coatings
  • Functional coatings
  • Pulmonary drug delivery
  • Dry coating solid dosage forms

2) Functional coatings with nano materials: hydrophobic, icephobic, hydrophilic, biocompatible, antimicrobial, electrically conductive, thermo-conductive, super corrosion resistant, etc.

3)  Ultrafine powder coatings (“green coatings”) for: automotive, pharmaceutical, food, construction, appliance, electronics and furniture industries etc

4)   Cell mechanics: statics and dynamics; characterization methods

5)   Powders Mechanics: statics and dynamics; characterization methods

6)   Equipment for producing and applying resin based coatings

7)  G-S/L-S two-phase, G-L-S three phase hydrodynamics: fluidization (including CFB), pneumatic transportation and other operations

 
 
 
 

Projects

 
 

Selected Researches: (* commercialized ones)

  • Syntheses and application of nano-particles (for various applications) (2000-)
  • *Environmentally friendly ultra-fine powder coating technology (1999-)
  • *Methods for uniformly dispensing nano additive particles in fine powders
  • Metering and dispensing systems for pulmonary drug delivery (2000-2006)
  • Anti-Faraday Cage powder coating dispensing technology (2004-)
  • Directly coating solid dosage forms with ultrafine dry powder coatings (2004-2006)
  • Biocompatible coatings (with nano functional particles) (2006-)
  • Hydrophobic/icephobic coatings (with nano functional particles) (2007-)
  • Antimicrobial coatings (with nano/micro functional particles) (2007-)
  • Mechanics of powders and characterization methods (2008-)
  • Transfer efficiency improvement for electro-static powder spray systems (2008-)
  • *Heat conductive coatings/plastics (with nano/micro functional particles) (2008-)
  • MEI coatings/solar cell electrodes inks  with self-assembling mechanism (2009-)
  • Low-cost production of nano polymer particles and nano encapsulation of nano-/micron- particles/fibers (2010-)
  • *Static Powder Classifier (2010-)
  • Cell mechanics: statics and dynamics; characterization (2011-) nn(

  • Momentum Transfer and Forces on Objects in Gas-Solids Fluidized Beds (1992-94)
  • *Process Development of Ultra-fine Powder Pesticide YF3 (1991-93)
  • *Development of a New Leather-Drying Process & Design of the Novel Leather-Drying Equipment (1991-94)
  • “Forces on Objects Immersed in Gas-solid Fluidized Beds”, Master’s Project (1987-90)
  • *Modeling of Particle Residence Time in Rotary Reactors (1988-89)
  • *Development of a New Processing Technique of Waste Water with Phenol and Design of the Processing System (1987-1989)
 
 

Graduate Theses Supervised

Master’s:

  1. Cardenas D, “Characterization of Ultrafine Powder Coating Formulations”, graduated in 2009.

  2. Krantz MJ, “Powder Characterization and Powder Application in Automotive Coating”, graduated in 2009.
  3. Fu J, “Study On Recyclability of Powder Coating Particles and Development of New Powder Coating Application Methods”, graduated in 2010.
  4. Yeasmin R, “Functional Antimicrobial Surfaces by Ultrafine Powder Coatings”, graduated in 2011.
  5. Bao D, “Organic Encapsulation of Inorganic Nano Particles/Production of Organic Nano Particles”.

PhD:

  1. Meng X-B, “Study on Corona Discharge and Corona Charging in Electrostatic Powder Coating Process”, graduated in 2009.
  2. Huang Q, “Flow and Fluidization Properties of Fine Powders”, graduated in 2010.
  3. Seyedmehdi S A H, “Superhydrophobic and Conductive Coatings”, graduated in 2011.
  4. Fu J, “Study on Ultrafine Powder Coatings – Improvements of Manufacturing and Application Processes”.
  5.  Yeasmin R, “Functional Coatings: Antimicrobial and Energy Storage”.
  6. Xia L, “Solvent-free Powder Coatings for Enameled Conductors”.
 
 

Selected Publications

 
 

Patents:

I-a     Zhu J and Zhang H, "Fluidization Additives to Fine Powders", U.S. Patent 6,833,185, December 2004.

I-b     Zhu J and Zhang H, “Fluidization Additives to Fine Powders”, PCT Patent EP1549697, Jul. 2005. 

I-c     Zhu J and Zhang H, "Fluidization Additives to Fine Powders", Chinese Patent, ZL03816550.3, June 3, 2009.

II-a    Zhu J and Zhang H, "Method and Apparatus for Uniformly Dispensing Additive Particles in Fine Powders", U.S. Patent 7,878,430, February 1, 2011.

III-a   Zhu J and Zhang H, “Method and Apparatus for Dispensing Paint Powders for Powder Coatings”, U.S. Patent 7,240,861, July 10, 2007. 

III-b   Zhu J and Zhang H, “Method and Apparatus for Dispensing Paint Powders for Powder Coatings”, PCT Patent EP1670594, June, 2006.

IV-a  Zhu J and Zhang H, “Compositions and Processes for Producing Durable Hydrophobic or Super Hydrophobic Surfaces”, U.S. Patent, Applied, April, 2007.

V-a    Zhu J, Wen J Z, Ma Y and Zhang H.,"Apparatus for Volumetric Metering of Small Quantity of Powder from Fluidized Beds", U.S. Patent 6,684,917, February 3, 2004.

V-b    Zhu J, Wen JZ, Ma Y and Zhang H, “Apparatus for Volumetric Metering of Small Quantity of Powder from Fluidized Beds”, PCT Patent EP1494797, Jan. 2005. 

V-c    Zhu J-X, Wen J-Z, Ma Y and Zhang H, "Apparatus for Volumetric Metering of Small Quantity of Powder from Fluidized Beds", Chinese Patent ZL02825232.2, November 22, 2006.

VI-a   Zhu J, Wen J Z, Ma Y and Zhang H, “Dry Powder Inhaler”, U.S. Patent 8,037,880, Oct. 18, 2011.

VII-a Zhu, J., Luo, Y., Ma, Y. and Zhang, H., “Direct Coating Solid Dosage Forms Using Powdered Materials”, PCT Patent, WO2007014464, Published Feb., 2007.

VII-b Zhu, J., Luo, Y., Ma, Y. and Zhang, H., "Direct Coating Solid Dosage Forms Using Powdered Materials", U.S. Patent 7,862,848, January 4, 2011.

VIII-a Zhu, J, Mozumder, M, Perinpanayagam, H, Shi, W, and Zhang, H, "Biocompatible Polymer Nanoparticle Coating Composition and Method of Production Thereof”, US Patent, Filed, April 25, 2011

VIII-b Zhu, J., Mozumder, M, Perinpanayagam, H, Shi, W, and Zhang, H, "Biocompatible Polymer Nanoparticle Coating Composition and Applications Thereof”, Chinese Patent, Filed, 11C10062CN, April 25, 2011

IX-a   Zhang, H and Zhu J, "A Static Powder Classifier”, US Patent, to be filed, 2011

X-a    Zhang, H. and Zhu, J., “A Novel Split-type Powder Tensile-strength Tester”, US Patent, to be filed, 2011

 

Journal Articles:

 

Huang, Q, Zhu, J, Zhang, H, “Characterization of Gas-solid Fluidization Properties of Fine Powders - A New Characteristic Fluidization Gas Velocity”, Submitted, AIChE Journal, 2011

Seyedmehdi S A, Zhang H, Zhu J, “The Effect of Nanoclay on Conductive Coating Containing Metal-coated Carbon Fibers”, Submitted, J. Electr. Matrl., 2011  

Zhang H, Fu J and Zhu J, “A Novel Split-type Powder Tensile-strength Tester and Characterization of Adhesion Behaviour of Powders”, Submitted, Advances in Physics, 2011            

Fu J, Zhang H, Zhu J, "Effect of Extra-fine Particles on Fine Powder Flowability", Submitted, Chem. Eng.Sci., CES-D-10-00942R1, 2011

Mozumder, M S, Zhang, H and Zhu, J, “Mimicking Lotus Leaf: Development of Superhydrophobic Surfaces by Ultrafine Powder Coating Technology”, Macromolecular Materials & Engineering, Accepted, 2011

Fu J, Zhang H and Zhu J, “Investigation of the Recyclability of Powder Coatings”, Powd. Tech., 211(1), 38-45, 2011

Seyedmehdi S A, Zhang H, Zhu J, “Superhydrophobic RTV Silicone Rubber Insulator Coatings”, Applied Surface Science, APSUSC-D-11-03016R1, 2011

Huang Q, Mesbah-Nejad A, Tadayyon SM., Norton P, Zhang H, and Zhu J, “Measurement of Inter-particle Forces by An Interfacial Force Microscope”, Particuology, 8(5), 400-406, 2010

Haile T, Nakhla G, Zhu J-X, Zhang H, and Shugg J, “Mechanistic study of the bactericidal action of silver- loaded chabasite on Acidithiobacillus thiooxidans”, Microporous and Mesoporous Materials, 127, 32-40, 2010

Huang Q, Zhang H, Zhu J-X, “Flow Properties of Fine Powder Coating”, Particuology, 8(1), 19-27, 2010 

Huang Q, Zhang H, Zhu J, “Onset of An Innovative Gasless Fluidized Bed — Comparative Study on the Fluidization of Fine Powders in a Rotating Drum and a Traditional Fluidized Bed”, Chem. Eng. Sci. 65 (3), 1261-1273, 2010

Xu C, Zhang H and Zhu J, “Improving Flowability of Cohesive Particles by Partial Coating on the Surfaces”, CJChE, 87, 403-414, 2009

Meng X-B, Zhang H and Zhu J, “Characterization of Particle Size Evolution of the Deposited Layer During Electrostatic Powder Coating Processes”, Powd. Tech., 195(3), 264-270, 2009

Krantz M, Zhang H and Zhu J-X, “Characterization of Powder Flow: Static and Dynamic Testing”, Powd. Tech., 194(3), 239-245, 2009 

Meng X-B, Zhu J and Zhang H, “Influences of Different Powders on the Characteristics of Particle Charging and Deposition in Powder Coating Processes”, Journal of Electrostatics, 67, 663–671, 2009.

Huang Q, Zhang H and Zhu J, “Experimental Study on Fluidization of Fine Powders in Rotating Drums with Various Wall Friction and Baffled Rotating Drums”, Chem. Eng. Sci., 64, 2234 – 2244, 2009

Meng X-B, Zhang H and Zhu J, “The Characteristics of Particle Charging and Deposition During
Powder Coating Processes with Ultrafine Powder”, J. Phys. D: Appl. Phys., 42, 065201 (12pp), 2009

Meng X-B, Zhang H and Zhu J, “The Characteristics of Particle Charging and Deposition During Powder Coating Processes with Coarse Powder”, J. Phys. D: Appl. Phys. 41, 195207, 2008

Meng X-B, Zhu J and Zhang H, “The Characteristics of Current Density Distribution During Corona Charging Processes of Different Particulates”, J. Phys. D: Appl. Phys. 41,  172007 (5pp), 2008

Qi X-B, Zhang H, Zhu J, “Friction between Gas–solid Flow and Circulating Fluidized Bed Downer Wall”, Chem. Eng. J. 142, 318–326, 2008

Luo YF, Zhu J, Ma YL and Zhang H, “Dry Coating, A Novel Coating Technology for Solid Pharmaceutical Dosage Forms”, International Journal of Pharmaceutics, 358, 16–22, 2008

Meng XB, Zhang H and Zhu J, “A General Empirical Formula of Current–voltage Characteristics for Point-to-plane Geometry Corona Discharges”, J. Phys. D: Appl. Phys. 41, 065209 (10pp), 2008

Qi X-B, Zhang H, Zhu J-X, “Solids Concentration in the Fully Developed Region of Circulating Fluidized Bed Downers”, Powd. Tech., 183, 417–425, 2008

Zhang H and Zhu J, “Specialty Coatings via Ultrafine Powder Technology”, Powder Coating, 19(2), 64, 2008

Wu B Y, Zhu J, L. Briens and Zhang H, "Flow Dynamics in a Four-inch Downer Using Solids Concentration Measurements", Powd. Tech., 178, 187–193, 2007

Zhu J. and Zhang H., “Automotive Coatings—driving through the particle size barrier”, Powder Coating, 18(2), 13-15, 2007

Qi X-B, Zhang H, Huang W-X, Zhu J-X, Shi Y-F, “Friction between Gas-solid Suspension and CFB Downer Wall”, J. Chem. Ind. Eng., 58(7), 1685-1690, 2007.

Qi X-B, Zhang H, Huang W-X, Zhu J-X, “Solids Concentrations in the Fully Developed Zone of CFB Downers”, J. Chem. Eng. Chinese Univ., 21(4), 621-626, 2007

Zhu J-X and Zhang H, “Fine powder coatings offer many other advantages besides better surface quality and thinner films”, Powder Coating, February 7, 2006.

Zhang H and Zhu J, “Gas-Solids Flow Behavior with a Gas Velocity close to Zero”, Particuologoy, 4(3-4), 167-177, 2006.

Zhu J. and Zhang H, “Ultrafine powder coatings: An innovation”, Powder Coating, 16(7), 39-47, 2005

Manyele SV, Zhu JX and Zhang H, “Analysis of the Microscopic Flow Structure of a CFB Downer Reactor Using Solids Concentration Signals”, Int. J. Chem. Reaction Eng., 1, A55, 1-17, 2003

Zhu JX, Li GZ, Qin SZ, Li FY, Zhang H and Yang YL, “Direct Measurements of Particle Velocities in a Circulating Fluidized Bed Using a Novel Optical Fibre Probe”, Powd. Tech., 115(2), 184-192, 2001.

Zhang H, Huang WX and Zhu JX, “Gas-Solids Flow Behavior: CFB Riser vs. Downer”, AIChE J., 47(9), 2000-2011, 2001.

Zhang H and Zhu JX, “Hydrodynamics in Downflow Fluidized Beds (2): Particle Velocity and Solids Flux Profiles”, Chem. Eng. Sci., 55(19), 4367-4377, 2000.

Zhang H, Zhu JX and Bergougnou MA, “Hydrodynamics in Downflow Fluidized Beds (1): Solids Concentration Profiles and Pressure Gradient Distributions”, Chem. Eng. Sci., 54(22), 5461-5470, 1999.

Zhang H., “Hydrodynamics Of Gas-Solids Downflow Fluidized Bed (Downer) Reactor“, PhD thesis, University of Western Ontario, 1999.

Zhu J-X, Ma Y and Zhang H, “Gas-Solids Contact Efficiency in the Entrance Region of a Co-Current Downflow Fluidized Bed (Downer)”, Chem. Eng. Res. Dev., 77(A), 151-158, 1999.

Zhang H, Zhu JX and Bergougnou MA, “Flow Development in a Gas-Solids Downer Fluidized Bed”, Can. J. Chem. Eng., 77(2), 194-198, 1999.

Johnston PM, Zhu J, de Lasa HI and Zhang H, “Effect of Distributor Designs on the Flow Development in a Downer Reactor”, AIChE J., 45(7), 1587-1592, 1999.

Zhang H, Johnston PJ, Zhu JX, de Lasa HI and Bergougnou MA, “A Novel Calibration Procedure for a Fiber Optic Concentration Probe”, Powd Tech., 100(2-3), 260-272, 1998.

Zhang H, Shi Y F and Yu H R, “Forces on Objects Floating in Gas-solid Fluidized Beds”, J of Chengdu Univ. of Sci. and Tech., 81. , 1994

Zhang H and Liao XP, “On Particles’ Residence Time and Its Distribution in Rotary Reactors”, J of Chengdu Univ. of Sci. and Tech., 57.1990

 

Conferences Proceedings and Most Recent Presentations/Abstracts

Krantz M, Zhang H, Zhu J-X, “Characterization of Fine Powders”, 20th International Conference on Fluidized Bed Combustion (FBC), Xi’an, China, pp291-297, May 18-21, 2009

Qi X, Zhang H and Zhu J, “Friction Between Gas-Solid Suspension and Circulating Fluidized Bed Downers”, Proceedings of 'The 12th International Conference on Fluidization - New Horizons in Fluidization Engineering', Vancouver, Canada, May 13-17, pp95-102, 2007

Zhu JX, Zhang H, Johnston PM, Ma Y, de Lasa HI, Bergougnou MA and Ball JS, “Flow Behaviour in the Entrance Region of a Downflow Fluidized Bed”, Circulating Fluidized Bed Technology VI, eds. J Werther, Dechema (German Society of Chemical Engineering), Frankfurt, pp 173-178, 1999.

Zhang H and Shi Y F, “Forces on Objects immersed in gas-solid Fluidized Beds”, Chem. Eng. Research & Progress, SCUSE (South China Univ. of Sci. & Eng.) Press, Guangzhou, China, pp282-285, 1993

 

Zhang H and Zhu J-X, “Ultrafine Powders: Researches and Applications at UWO”, Keynote Speaker, 61th CSChE Conf, London, October 23-25, 2010.

Huang Q, Zhang H, Zhu J-X, “Characterization of Gas-Solid Fluidization for Fine Powders - a New Characteristic Fluidization Gas Velocity”, 2009 AIChE Annual Conf., Nashiville, November 8-13, 2009.

Huang Q, Zhang H, Zhu J, “Experimental Study on Fluidization of Fine Powders in Rotating Drums with Various Wall Friction and Baffled Rotating Drums”, PTRC Research Symposium, London, Ontario, Canada, 2009.

Huang Q, Zhang H, Zhu J-X, “Onset of an Innovation Gasless of Fluidized Bed”, 8th World Congress of Chemical Engineering, Montreal, Quebec, Canada, August 23-27, 2009.

Krantz M, Huang Q, Meng X-B, “Ultrafine Powder Coating - Innovation for the Finishing Industry”, OCE Discovery 2008, Toronto, Canada, 2008.

Krantz M, Zhang H, and Zhu J-X, “Characterization of Ultrafine Powder Coating”, 58th CSChE Conf, Ottawa, October 19-22, 2008.

Meng X-B, Zhang H, Zhu J, “Effects of Relative Humidity on the Current and Current Density in Point-to-Plane Corona Discharges”, XVII International Conference on Gas Discharges and their Applications, Cardiff University, UK, September 7- 14 2008 c20

Mozumder A S M, Zhang H and Zhu J, “Mimicking Lotus Leaf to fabricate Superhydrophobic surfaces by Ultrafine Powder Coating”, 1st PTRC (Particle Technology Research Centre) Research Symposium, The University of Western Ontario, London, Ontario, Canada, July 2008 

Huang Q, Zhang H and Zhu J, “Characterization of Fluidization Properties of Fine Powders -- New Characteristic Fluidization Velocity”, 1st PTRC (Particle Technology Research Centre) Research Symposium, The University of Western Ontario, London, Ontario, Canada, July 2008

Meng X-B, Zhang H and Zhu J, “Small better than Large: the Mystery in Powder Coating Processes”, 1st PTRC (Particle Technology Research Centre) Research Symposium, The University of Western Ontario, London, Ontario, Canada, July 2008

Huang Q, Zhang H, Zhu J, “Improve the Flowability of Ultrafine Powders by Using Nanoparticles - Ultrafine Powder Coating for Automobiles and Other Industries”, OCE Discovery 2007, Toronto, Canada, 2007.

Huang Q, Zhang H and Zhu J-X, “The Flowability and Fluidizability of Powders - Exploring New Methods for Powders' Flow and Fluidization Properties”, Partec 2007- International Congress on Particle Technology, Nuremberg, Germany, March 27-29, 2007.

Huang Q, Zhang H and Zhu J, “Characterization of the Flow and Fluidization Properties of Ultrafine Powders”, AIChE Particle Technology Forum Annual Meeting, Salt Lake City, USA 2007

Huang Q, Zhang H and Zhu J, “Improve the Flowability of Ultrafine Powders by Using Nanoparticles”, OCE Discovery, Toronto, Canada, April 2007

Zhang H and Zhu J, “Applications of Nano-Particles in Ultra-fine Powders”, WINS Workshop, London, Canada, 2007

 
     
 

PhD Thesis:

 
 

Zhang H., “Hydrodynamics Of Gas-Solids Downflow Fluidized Bed (Downer) Reactor”, PhD thesis, University of Western Ontario, 1999.

 
 

Book:

 
 

Fundamentals of Fluidization and Classification of Flow Regimes, Chapter 2 in Fluidization Engineering Principles, eds. Y Jin, J-X Zhu et al., Tsinghua University Press, Beijing, 2001.

 
  

Also from this web page:

Contact Info

Mail:

Department of Chemical and Biochemical Engineering
Faculty of Engineering
The University of Western Ontario
London, Ontario, Canada N6A 5B9

Office:

TEB482

Phone:

1-519-661-2111 ext. 81294

Fax:
1-519- 661-3498

 

Email:
hzhang1@uwo.ca

 

Website:
http://publish.uwo.ca/~hzhang1