Richard Evitts

     Richard Evitts  B.E., B.Sc., Ph.D., P.Eng.

    Professor, Department of Chemical and Biological Engineering
    Director, Ron & Jane Graham School of Professional Development, College of Engineering

    Biography

    Education and Experience


    Specialization: Corrosion and Fuel Cell Electrochemistry, Heat and Mass Transfer in Granular Fertilizers, Product Quality Issues with Granular Fertilizer

    Current and Past Projects
    1. Modeling and Measuring Moisture Accumulation and Drying Processes Leading to Caking of Urea and Potash Fertilizer During Storage.
    2. Moisture and Energy Transport in Porous and Electrolytic Media
    3. Biological Fuel Cell Development
    4. Modeling Flow Induced and Localized Corrosion Processes
    5. Dynamic Monitoring of Microbial Influenced Corrosion
    6. Growth and Damage of Carbonate and Sulphide Films on Carbon Steel

    Publications

    Refereed Journal Publications
    • Kennell, G.F. and Evitts, R.W. (2012). Charge Density in Non-isotropic Electrolytes Conducting Current, Canadian J. of Chem. Eng, 90(April 2012), 377-384.
    • Nie, X.D., Evitts, R.W., Besant, R.W. and Bolster, J. (2011). A New Technique to Determine Convection Coefficients with Flow through Particle Beds, Journal of Heat Transfer, 133(4), 1-8.
    • Nie, X.D., Evitts, R.W. and Besant, R.W. (2011). Heat Transfer Between Gas-Solid Phases Within Packed Particle Beds, Particle Science and Technology, 29(2), 151-162.
    • Gao, S., Evitts, R.W. and Besant, R.W. (2011). Simulation of cake strength by discrete element method, Granular Matter, 13(2), 121-126.
    • Powell, E.E., Bolster, J., Evitts, R.W. and Hill, G.A. (2011). Microbial Fuel Cell With a Photosynthetic Microalgae Cathodic Half Cell Coupled to a Yeast Anodic Half Cell, Energy Sources Part A: Recovery Utilization and Environmental Effects, 33(5), 440-448.
    • Godwin, J. and Evitts, R.W. (2010). Polypyrrole/poly(methylene blue) Composite Electrode Films on Stainless Steel, Electrochem. Soc. Trans, 33(27), 181-188.
    • Powell, E.E., Mapiour, M.L., Evitts, R.W. and Hill, G.A. (2009). Growth Kinetics of chlorella vulgaris and Its Use as a Cathodic Half Cell, Bioresource Technology, 100, 269-274.
    • Nie, X., Besant, R.W. and Evitts, R.W. (2009). Convective Heat and Mass Transfer Coefficient Measurements and Correlations for Particle Beds using Temperature and Humidity Step Changes with Air Flow through a Test Bed, Chemical Engineering Science, 64, 3476-3485.
    • Wang, Y., Evitts, R.W. and Besant, R.W. (2009). The Relationship between Cake Strength of Potash Fertilizer and Initial Moisture Content, Particle Size and Drying Time, Particulate Science and Technology, 27(2), 166-178.
    • Nie, X., Besant, R.W. and Evitts, R.W. (2008). Simulation of moisture and heat transfer in a bed of urea particles, Industrial and Engineering Chemistry Research, 47(20), 7888-7896.
    • Kennell, G.F., Evitts, R.W. and Heppner, K.L. (2008). A Critical Crevice Solution and iR Drop Crevice Corrosion Model, Corrosion Science, 50(6), 1716-1725.
    • Kennell, G.F. and Evitts, R.W. (2008). Crevice Corrosion Cathodic Reactions and Scaling Laws, Electrochimica Acta, 54, 4696-4703.
    • Nie, X., Evitts, R.W. and Besant, R.W. (2008). Moisture uptake and transport in a bed of urea particles, Granular Matter, 50, 301-308.
    • Kennell, G.F.S., Evitts, R.W. and Heppner, K.L. (2008). A critical crevice solution and iR drop crevice corrosion model, Corrosion Science, 50(6), 1716-1725.
    • Wang, Y., Evitts, R.W. and Besant, R.W. (2008). Modeling crystal growth between potash particles near contact points during drying processes. Part I: Problem formulation, Canadian Journal of Chemical Engineering, 86(2), 192-198.
    • Wang, Y., Evitts, R.W. and Besant, R.W. (2008). Modeling crystal growth between potash particles near contact points during drying processes. Part II : Analysis, results and comparison with experimental data, Canadian Journal of Chemical Engineering, 86(2), 199-206.
    • Heppner, K.L. and Evitts, R.W. (2008). Modelling of the effect of hydrogen ion reduction on the crevice corrosion of titanium, Environment-Induced Cracking: Chemistry, Mechanics, and Microstructure, 1, 95-104.
    • Obi, E.R., Oguocha, I.N. and Evitts, R.W. (2007). Effect of fly ash reinforcement on the corrosion behaviour of cast Al-Mg alloy A535 in 3.5 wt% NaCl Solution, Computational Methods and Experiments in Materials Characterisation III, 57, 21-30.
    • Kennell, G.F.S., Heppner, K.L. and Evitts, R.W. (2007). Modelling Carbon Dioxide Corrosion with Film Crystallization and Erosion, Canadiann Journal of Chemical Engineering, 85(3), 350-359.
    • Peachey, B., Evitts, R.W. and Hill, G.A. (2007). Project Management for Chemical Engineers, Trans. IChem E., D: Education for Chemical Engineers, 2, 14-19.
    • Chen, H., Evitts, R.W. and Besant, R.W. (2007). Moisture adsorption characteristics of a thin bed of polycrystalline potash pellets Part II. Modeling and numerical Simulation, Powder Technology, 171(1), 46-53.
    • Chen, H., Evitts, R.W. and Besant, R.W. (2006). Moisture adsorption characteristics of a thin bed of polycrystalline potash pellete Part I. Experimental Study, Powder Technology, 170(3), 158-166.
    • Rempel, C.L., Evitts, R. and Nemati, M. (2006). Dynamics of corrosion rates associated with nitrite or nitrate mediated control of souring under biological conditions simulating an oil reservoir., Journal of Industrial Microbiology and Biotechnology, 33(10), 878-886.
    • Wang, Y., Besant, R.W., Evitts, R.W. and Dolovich, A.T. (2006). Measurement of Cake Strength in Potash Using a Centrifuge, Part. Part. Syst. Character., 23(5), 399-407.
    • Yungwirth, T., Evitts, R. and Besant, R.W. (2006). Measuring Moisture Content of Potash Bulk Fertilizers Using a Steel Ball in a Transient Heat Transfer Process, Ind. Eng. Chem. Res., 45, 3287-3292.
    • Evitts, R. and Heppner, K. (2006). New Method for Calculating Charge Density in Electrochemical Systems, Corrosion Engineering, Science and Technology, 42(2), 110-121.
    • Evitts, R., Yungwirth, T. and Besant, R. (2006). Measuring Moisture Content of Potash Bulk Fertilizers Using a Steel Ball in a Transient Heat Transfer Process, Industrial and Engineering Chemistry Research, 45(9), 3287-3292.
    • Heppner, K. and Evitts, R. (2005). A Hybrid Differencing Scheme for Mass Transport in Electrochemical Systems, International Journal of Numerical Methods for Heat and Fluid Flow, 15(8), 842-862.
    Refereed Conference Proceedings
    • Nedal, M., Boulfiza, M. and Evitts, R.W. (2010). Pitting Corrosion of Various Metallic Reinforcements in Simulated Concrete Pore Solutions, CSCE annual conference, Winnipeg, MB, June 9-12, (CD Rom).
    • Kennell, G. and Evitts, R.W. (2010). Charge and Mass Transfer with Inherent Electric Field Prediction, NACE International, Corrosion 2010, San Antonio, TX, March 14-18.
    • Nie, X., Besant, R.W. and Evitts, R.W. (2009). Determination of Internal Heat Conduction Coefficients within Glass Bead Particle Beds, 6th International Conference for Conveying and Handling Particulate Solids, Brisbane, Australia, August 3-7, (6 pages) (CD Rom).
    • Gao, S., Evitts, R.W. and Besant, R.W. (2009). Simulation of Potash Cake Strength by Discrete Element Method, 6th International Conference for Conveying and Handling Particulate Solids, Brisbane, Australia, August 3-7, (6 pages) (CD Rom).
    • Yu, M., Besant, R.W. and Evitts, R.W. (2009). Caking Processes in Wetted Potash, 6th International Conference for Conveying and Handling Particulate Solids, Brisbane, Australia, August 3-7, (6 pages) (CD Rom).
    • Kennell, G.F. and Evitts, R.W. (2009). Universal Multi-Dimensional Charge and Mass Transfer Model, ELECTROCOR 2009, Bologna, Italy, June 24-26, (12 pages).
    • Powell, E.E., Hill, G.A., Evitts, R.W. and Bolster, J. (2009). Novel Photosynthetic Cathode Coupled to a Fermentative Anode Used in a Bioethanol-Biodiesel Processing Facility, Proceedings of the ECI Bioenergy II Conference, Brazil, March 8-13, (8 pages) (CD Rom).
    • Wang, Y., Evitts, R.W., Besant, R.W. and Dolovich, A.T. (2006). Measurement of cake strength in a potash bed, 5th International Conference for Conveying and Handling of Particulate Solids, Sorrento, Italy, August 27-31, Paper No. 67, Chapter 2, (7 pages) (CD Rom).
    Non-refereed Conference Proceedings
    • Nie, X.D., Evitts, R.W. and Besant, R.W. (2011). Salt Deposit at Particle Contact Points, 5th International Granulation Workshop and Conference, Lausanne, Switzerland, June 20 - 22, (6 pages) (CD Rom).
    • Bolster, J., Evitts, R.W. and Besant, R.W. (2011). Moisture Transfer with Silica Gel Agglomerate Coating, 5th International Granulation Workshop and Conference, Lausanne, Switzerland, June 20 - 22, (6 pages) (CD Rom).
    • Gao, S., Besant, R.W. and Evitts, R.W. (2011). Experimental Study on the Hygroscopic Relationship to Fracture Strength of Potash Particulate Test Specimens, 5th International Granulation Workshop and Conference, Lausanne, Switzerland, June 20 - 22, (6 pages) (CD Rom).
    • Sridharan, V. and Evitts, R.W. (2009). Comparison of Electrochemical Frequency Modulation with other Electrochemical Methods for CO2 Corrosion on Carbon Steel, NACE International Northern Area Western Conference, Victoria, BC, Canada, Feb 9 -12, (13 pages) (CD Rom).
    • Kennell, G.F. and Evitts, R.W. (2009). Extinct Regions in a Corroding Crevice, NACE International Northern Area Western Conference, Victoria, BC, Canada, Feb 9 -12, (17 pages) (CD Rom).
    • Powell, E.E., Bolster, J.C., Hill, G.A. and Evitts, R.W. (2008). Complete microbiological fuel cell: A phytosynthetic cathode coupled to a fermentative anode, Clean Technology 2008, Boston, MA, June 1-5, 23-26.
    • Nie, X., Besant, R.W. and Evitts, R.W. (2006). Measurement of moisture uptake and transport in a bed of urea particles, 5th International Conference for Conveying and Handling of Particulate Solids, Sorrento, Italy, August 27-21, Paper No. 73, Chapter 2, (7 pages) (CD Rom).
    • Nie, X., Evitts, R.W. and Besant, R.W. (2006). Numerical simulation of mositure uptake and transport in a bed of urea particles, 5th International Conference for Conveying and Handling Particulate Solids, Sorrento, Italy, August 27-31, Paper No. 74, Chapter 2, (7 pages) (CD Rom).
    • Gillies, D., Wang, Y., Evitts, R.W. and Besant, R.W. (2006). The effect of particle size and magnesium content of the strength of caked potash, 5th International Conference for Conveying and Handling of Particulate Solids, Sorrento, Italy, August 27-31, Paper No. 206, Chapter 2, (6 pages) (CD Rom).
    • Sun, J., Besant, R.W. and Evitts, R.W. (2006). Fracture stress measurement and images of caked particles of KCl and NaCl, 5th International Conference for Conveying and Handling Particulate Solids, Sorrento, Italy, August 27-31, Paper No. 235, Chapter 2, (7 pages) (CD Rom).
    Conference Presentations / Poster Presentations
    • Kennell, G.F. and Evitts, R.W. (2010). Beyond Dilute Solution Theory, 60th Canadian Chemical Engineering Conference, Saskatoon, October 24th - 28th.
    • Kennell, G.F. and Evitts, R.W. (2010). Multi-component Multi-dimensional Transport of Charge and Mass with Corresponding Electric Field, 218th ECS Meeting, Las Vegas, NV, USA, October 10 - 15.
    • Godwin, J. and Evitts, R.W. (2010). Polypyrrole/poly(methylene blue) Composite Films on Steel Electrodes, 218th ECS Meeting, Las Vegas, NV, USA, October 10 - 15.
    • Godwin, J. and Evitts, R.W. (2010). Polypyrrole/poly(methylene blue) Composite Films on Steel Electrodes, 60th Canadian Chemical Engineering Conference, Saskatoon, SK, October 24th - 28th.
    • Nie, X.D., Evitts, R.W. and Besant, R.W. (2010). Re-crystallization Near Contact Lines between Salt Particles, 60th Canadian Chemical Engineering Conference, Saskatoon, SK, October 24th - 28th.
    • Bolster, J., Evitts, R.W. and Besant, R.W. (2010). Silica Gel Conglomerates Used for a Novel Desiccant Coating, 60th Canadian Chemical Engineering Conference, Saskatoon, SK, October 24th - 28th.
    • Gao, S., Evitts, R.W. and Besant, R.W. (2010). Simulation of Potash Cake Strength by Discrete Element Method, 60th Canadian Chemical Engineering Conference, Saskatoon, SK, October 24th - 28th.
    • Gao, S., Besant, R.W. and Evitts, R.W. (2010). Caking in Potash Fertilizers is a Problem Caused Primarily by Water Absorption, 60th Canadian Chemical Engineering Conference, Saskatoon, SK, October 24th - 28th.
    • Evitts, R.W., Wang, H., Hill, G.A., Phoenix, A., Lin, Y. and Muench, T. (2009). Chemical Engineering Design Training at the University of Saskatchewan, Abstracts of 8th World Congress of Chemical Engineering, Montreal, QC, August 23-27.
    • Powell, E.E., Bolster, J.C., Hill, G.A. and Evitts, R.W. (2008). Complete Microbiological Fuel Cell, AICHE Annual Meeting, Philadelphia, PA, USA, Nov 16-19.
    • Kennell, G.F. and Evitts, R.W. (2008). Numerical Experimentation on Crevice Corrosion, 57th Canadian Chemical Engineering Conference, Ottawa, October 19-27.
    • Powell, E.E., Hill, G.A. and Evitts, R.W. (2008). A novel photosynthetic microbial fuel cell, Engineering Research Day, Poster, Saskatoon, SK, April 2.
    • Kennell, G.F.S., Heppner, K.L. and Evitts, R.W. (2008). Crevice corrosion modelling, Engineering Research Day, Saskatoon, SK, Canada, April 2.
    • Kennell, G.F.S. and Evitts, R.W. (2008). Crevice corrosion electric potential gradients and critical aspect ratio, NACE Northern Area Western Conference, Edmonton, AB, Canada, Feb 11 - 14, Paper No. (Awarded Second Place).
    • Sridharan, V. and Evitts, R.W. (2008). A study of CO2 corrosion on carbon steel using electrochemical frequency modulation, NACE Northern Area Western Conference, Edmonton, AB, Canada, Feb 11 - 14.
    • Powell, E.E., Mapiour, M.L., Evitts, R.W. and Hill, G.A. (2007). Growth kinetics of a photosynthetic microorganism and its use in a fuel cell, 57th CSChE Conference, Edmonton, AB, October 28-31.
    • Kennell, G.F.S., Heppner, K.L. and Evitts, R.W. (2007). Modelling crevice corrosion by combining critical crevice solution theory with iR drop theory using an electrode coupleing balance, 57th CSChE Conference, Edmonton, AB, Canada, Oct 28-30.
    • Sridharan, V. and Evitts, R.W. (2007). Microscopic and electrochemical investigations on film growth on carbon steel subjected to several hydrodydnamic conditions for the Fe/CO2 system, 57th CSChE Conference, Edmonton, AB, Canada, Oct 28-31.
    • Kennell, G.F.S. and Evitts, R.W. (2007). Dynamics of crevice corrosion, NSERC USRA Poster Competition, Saskatoon, SK, Aug 16, Paper No. (Awarded First Prize).
    • Kennell, G.F.S., Heppner, K.L. and Evitts, R.W. (2006). Iron Carbonate Film Deposition and Erosion in Aqueous CO2 Pipeline Flow, 56th Canadian Chemical Engineering Conference, Sherbrooke, Quebec, October 15-18.
    • Kennell, G.F.S., Heppner, K.L. and Evitts, R.W. (2006). Theoretical Coupling of Anodic Sites within a Corroding Crevice with Cathodic Sites on a Bold Surface, NSERC USRA Poster Session, Saskatoon, SK, August 17, Paper No. (Awarded First Prize).
    • Kennell, G.F.S., Evitts, R.W. and Heppner, K.L. (2006). Film growth model of CO2 corrosion on carbon steel, NSERC USRA Poster Competition, Saskatoon, SK, August.
    • Wang, H., Phoenix, A., Evitts, R. and Hill, G. (2005). Design Training for Chemical Engineering Undergraduates at the University of Saskatchewan, 55th Canadian Chemical Engineering Conference, Toronto, ON, October 16-19, 2005.
    • Rempel, C., Evitts, R. and Nemati, M. (2005). Study of Corrosion Dynamics During the Containment of Souring by Nitrite or a Combination of Nitrate and Sulphide Oxidizing Bacteria, 55th Canadian Chemical Engineering Conference, Toronto, ON, Oct 16-19.
    • Heppner, K. and Evitts, R. (2005). A Novel Differencing Scheme for Electrolyte Mass Transfer Modelling, 55th Canadian Chemical Engineering Conference, Toronto, ON, Oct 16-19.
    • Heppner, K. and Evitts, R. (2005). A Novel Differencing Scheme for Electrolyte Mass Transfer Modelling, 55th Canadian Chemical Engineering Conference, Toronto, ON, Oct 16-19.

    Research Grants

    2011-2012

    • Principal Investigator, Electrode Development for Microbial Fuel Cells with Electrochemical Systems Modeling, NSERC, Discovery Grant.
    • Principal Investigator, Factors Influencing Cake Formation in Potash Fertilizer, NSERC/PotashCorp, CRD.
    • Principal Investigator, Torrefaction and Gasification of Biomass, SaskPower, Industry.

    2010-2011

    • Principal Investigator, Electrode Development for Microbial Fuel Cells with Electrochemical Systems Modeling, NSERC, Discovery Grant.
    • Principal Investigator, Factors Influencing Cake Formation in Potash Fertilizer, NSERC - PotashCorp, CRD.
    • Co-Investigator, Integrated Biofuel System - Bioethanol, Biodiesel and Microbial Fuel Cell, NSERC, Strategic.

    2009-2010

    • Principal Investigator, Factors Influencing Cake Formation in Potash Fertilizer, NSERC - PotashCorp, CRD.
    • Principal Investigator, Improving Scanning Probe Microscopy for Imaging Nanoparticles, NSERC, RTI.

    2008-2009

    • Principal Investigator, Moisture and Heat Transfer in Potash Fertilizer - NSERC CRD Grant Preparation Funding, PotashCorp, Industry.
    • Co-Investigator, Integrated Biofuel System - Bioethanol, Biodiesel and Microbial Fuel Cell, NSERC, Strategic.

    2007-2008

    • Principal Investigator, Degradation of materials in aqueous systems, NSERC, Discovery Grant.
    • Principal Investigator, Modelling film growth on stainless alloys, NSERC, USRA.

    Teaching

    2011-2012

    • CHE 325.3 - Process Engineering and Design 1
    • CHE 326.3 - Plant Design Project
    • CHE 422.6 - Process Engineering and Design II
    • CHE 881.3 - Process Engineering
    • CHE 898.3 - Inverse Heat and Mass Transfer Problems

    2010-2011

    • CHE 325.3 - Process Engineering and Design 1
    • CHE 422.6 - Process Engineering and Design 2
    • CHE 470.1 - Inudustrial Site Visitation
    • CHE 498.3 - Special Topics
    • CHE 881.3 - Process Engineering
    • CHE 898.3 - DC&AC Corrosion Measurement
    • CHE 898.3 - Electrochemical Methods for Biological Fuel Cells

    2009-2010

    • CHE 453.3 - Corrosion Engineering
    • CHE 884.3 - Corrosion Engineering
    • CHE 885.3 - Corrosion Control in Eng Syst
    • CHE 898.3 - Electrochemical Methods for Corrosion Analysis

    2008-2009

    • CHE 325.3 - Process Engineering and Design I
    • CHE 423.3 - Process Control
    • CHE 470.0 - Industrial Site Visitations
    • CHE 881.3 - Process Engineering
    • CHE 885.3 - Corrosion Control in Eng Syst

    2007-2008

    • CHE 325.3 - Process Engineering and Design I
    • CHE 431.1 - Seminar
    • CHE 453.3 - Corrosion Engineering
    • CHE 881.3 - Process Engineering
    • CHE 884.3 - Corrosion Engineering
    • CHE 885.3 - Corrosion Control in Eng Syst
    • CHE 898.3 - Electrochemical Methods for Corrosion Analysis

    Research Projects

    2011-2012

    • Corrosion of Smart Alloys
    • Electrode Development for MFC
    • Energy and Chemicals from Biomass
    • Environmental Impact of Coal Fired Powerplants
    • Growth of Pure Crystals
    • Manufacture of Biocomposites
    • Measurement and Modelling of Thermal Properties of Granular Materials
    • Measurement of Cake Strength of Potash Fertilizer

    2010-2011

    • Corrosion of Smart Alloys
    • Experimental and Modeling Studies on Growth of Pure Crystals
    • Mass Transport Modelling
    • Measurement of Cake Strength of Potash Fertilizer
    • Measurement of Thermal Properties of Granular Materials

    2009-2010

    • Corrosion Measurements of Rebar in Concrete
    • Corrosion of Smart Alloys
    • Electrolyte Mass Transport Modelling
    • Flow Enhanced and CO2 Corrosion
    • Measurement of Cake Strength of Potash Fertilizer
    • Measurement of Crevice Corrosion
    • Measurement of Thermal Properties of Granular Materials
    • Moisture Transport in Urea Fertilizer

    2008-2009

    • Corrosion Measurements of Rebar in Concrete
    • Electrolyte Mass Transport Modelling
    • Flow Enhanced and CO2 Corrosion
    • Measurement of Cake Strength of Potash Fertilizer
    • Measurement of Thermal Properties of Granular Materials
    • Microbial Influenced Corrosion
    • Moisture Transport in Urea Fertilizer

    2007-2008

    • Corrosion Measurements of Rebar in Concrete
    • Electrolyte Mass Transport Modelling
    • Flow Enhanced and CO2 Corrosion
    • Measurement of Cake Strength of Potash Fertilizer
    • Measurement of Thermal Properties of Granular Materials
    • Microbial Influenced Corrosion
    • Moisture Transport in Urea Fertilizer