Meet our Researchers
Our group is an experimental physical chemistry group with research interests in applied high-pressure chemistry and industrial sulfur chemistry.
Dr. Robert Marriott
NSERC ASRL Industrial Research Chair in Applied Sulfur Chemistry,
Associate Professor, Department of Chemistry, University of Calgary
E-mail address: email@example.com
Ph.D. (M. A. White) – The relative thermodynamic stability of racemic and conglomerate crystals (2004), Dalhousie University, Halifax, Nova Scotia.
M.Sc. (A. W. Hakin) - Thermodynamic investigations of some aqueous solutions through calorimetry and densimetry (1999), University of Lethbridge, Lethbridge, Alberta.
B.Sc. – University of Lethbridge
Prior to taking his faculty position, Rob spent 8 years with ASRL as a Research Scientist and Project Manager with interests in understanding elemental sulfur deposition during the production of sour gas, sulfur solvent properties, water content for acid gas mixtures, sulfur degassing mechanisms, reservoir mineral interactions, and pVT properties for SO2 and H2S mixtures.
Connor Deering (Research Associate)
After working with ASRL as Research Chemist for two years, Connor is now a Research Associate in the Marriott research group. With an interest in experimental thermodynamics, he has experience with high-pressure fluid thermodynamics, sour gas fluids, analytical instrumentation, mathematical modelling, and computer programming (both for instrumentation and thermodynamic calculations).
M.Sc. (R.A. Marriott) – Design, Construction, and Calibration of a Vibrating Tube Densimeter for Volumetric Measurements of Acid Gas Fluids (2015), University of Calgary, Calgary, Alberta.
B.Sc. – St. Francis Xavier University, Antigonish, Nova Scotia.
Herman Wan (Safety & Infrastructure Co-ordinator)
Herman has been working in applied chemistry labs since 2000. He provides support to both the Marriott and ASRL groups in the areas of safety systems and equipment, computing and everyday operations.
B.Sc. – University of Calgary, Calgary, Alberta.
Shihab Majid (M.Sc. Student)
Formation of pure and binary hydrates
B.Sc. - University of Calgary, Calgary, Alberta
Safeer Nanji (M.Sc. Student)
Investigating the thermodynamic properties of aqueous and supercritical CO2 solutions.
B.Sc. (Honours), University of Calgary, Calgary, Alberta
Fisher Hall (Undergraduate Research Student)
Fisher is currently studying Chemistry at the University of Calgary. His investigations relate to the age and friability of different forms of elemental sulfur. The use of degassed or non-degassed molten sulfur may affect the many properties present in the solid sulfur ageing process. Fisher will test how varying H2S amounts affect factors such as compressible strength, friability, porosity, water retention/holding capacity.
John Henry Jacobs (M.Sc. Student)
Measurements of adsorption for sour gas components on a variety of adsorbents.
B.Sc., University of Calgary, Calgary, Alberta.
Rohen Prinsloo (Ph.D. Student)
Exploring sulfur chemistry in a Eutectic solvent.
M.Sc. Chemistry, University of Calgary, Calgary, Alberta. (2015)
B.Sc. Chemistry (Honours), University of Pretoria, Pretoria, South Africa. (2011)
Jerry Commodore (M.Sc. Student)
Volumetric changes for high-density acid gas fluids destined for re-injection.
B.Sc. Chemistry, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana.
Previous Group Members
Dr. Tommy Lee (Ph.D., 2021)
Tommy Lee, Ph.D., "Heterogeneous catalytic H2S oxidation within supercritical CO2 for a new sulfur recovery process."
B.Sc., University of British Columbia, Kelowna, BC.
Dr. Kayode Adeniyi (Ph.D, 2020)
Kayode Adeniyi, Ph.D., "Water content of liquid acid gas and liquid propane in the presence of a hydrate phase."
B.Sc., Joseph Ayo Babalola University, Ikeji-Arakeji, Nigeria (2010).
Senya Rennie (Undergraduate Summer Research Student 2020)
Senya is currently studying Chemistry at the University of Calgary. During her summer term, she explored the solubility of elemental sulfur in natural gas liquids, specifically butane at high pressures.
Nicholas Simms (Undergraduate Summer Research Student 2020)
Nick is currently majoring in a Chemistry and the University it Calgary. His summer research primarily focused on the corrosion inhibition properties of ammonia for wet sulfur contact corrosion.
Mitchell Stashick (M.Sc., 2019)
Mitchell Stashick, M.Sc., "Rheometric properties of liquid elemental sulfur and the modifying effects of hydrogen sulfide"
B.Sc., Simon Fraser University, Burnaby, BC.
Dr. Juan J. Marrugo Hernandez (Ph.D., 2019)
Juan Marrugo, Ph.D.,“Reactions involving fracturing chemical additives with implication in delayed H2S production”
He is currently working at Alberta Sulphur Research Ltd. as a Research Scientist.
B.Sc., University of Cartagena, Colombia.
Alexandre Bernard (Undergraduate Summer Research Student 2019)
Alex is studying chemical engineering at the University of Ottawa. During the summer Alex was investigating heat capacities of liquids using a Picker microflow calorimeter in series with a densimeter to reduce error, with the eventual goal of being able to find specific heat capacities of solutions under high heat and pressure.
Christian Keenan (Undergraduate Summer Research Student 2019)
Christian is studying for a Bachelor of Science, Astrophysics, at the University of Calgary. He was investigating the ability of ammonia to inhibit sulfur contact corrosion. Additionally, he looked into the applications of the ammonium hydrosulfide and its ability to dissolve sulfur.
Mohamed Ould Abdallahi (Undergraduate Summer Research Student 2019)
Mohamed is a Chemistry student at the University of Calgary. He was investigating the age and friability for different forms of elemental sulfur. Mohamed was looking at several key properties during the aging of sulfur products such as H2S content, friability, compressible strength, water retention and water holding capacity.
Dr. Kyle Wynnyk (Ph.D., 2019)
Kyle Wynnyk, Ph.D., “High-pressure adsorption equilibria aimed at optimizing sour gas conditioning."
Kyle is now with Fluid Energy Group as a Technical Specialist.
B.Sc., University of Lethbridge, Lethbridge, Alberta
Jade Fischer (Undergraduate Summer Research Student 2018)
Jade is taking a degree in physics at the University of Calgary. During the summer she was investigating downhole kinetics of corrosion inhibitors with implications of hydrogen sulfide production.
Romani Lalani (Undergraduate Summer Research Student 2018)
Romani is pursuing a degree in Materials Engineering from the University of Alberta. During the summer she was working on the separation of several sour gas components via adsorption on various adsorbents including zeolite.
Chelsea Rose (Undergraduate Summer Research Student 2017 and 2016)
Chelsea is a student from Dalhausie University. She was focusing on sulfur chemistry for the second consecutive summer. She was studying the properties of liquid sulfur viscosity at varying temperatures. Chelsea was also looking into different ways to purify sulfur to allow more accurate measurements for research and industry purposes.
Saud Sunba (Undergraduate Summer Research Student 2017)
Saud completed a B.Sc. in biological sciences and is now an M.D. student (both at the University of Calgary). He was researching the delayed production of hydrogen sulfide in shale gas through the oxidation of varying hydrocarbons.
Gabriel Sofekun (M.Sc., 2017)
Gabriel Sofekun, M.Sc., "Rheometric Properties of Pure Liquid Elemental Sulfur."
B.Sc., University of Lagos, Akoka-Lagos, Nigeria (2008)
Fadi Alkhateeb (Postdoctoral Fellow)
Fadi is currently working as a Senior Scientist, Separations Science, Scientific Operations at Waters
in Mildford, MA, USA.
Fadi worked on modifying a high pressure differential scanning calorimeter to measure heat capacities of acid gas mixtures under high pressures.
Ph.D. in Analytical Chemistry, University of Calgary (2015), "Novel Strategies for Rapid Analytical Preparation of Solid Samples."
Kai Feng (Undergraduate Exchange Student, 2015-2016)
Rheometric properties of elemental sulfur
China University of Petroleum (East China), 2012-current, B.Sc. (Applied Chemistry)
Garrett Yu (Undergraduate Summer Research Student 2016)
Garrett was an undergraduate student at the University of Calgary. He was assisting Seungwook (Tommy) Lee in the fabrication and assembly of a test apparatus, with the aim of developing new methods for low concentration H2S oxidation in supercritical and liquid CO2.
Shaunak Raval (Co-op Research Student, 2014-2015)
Thermochemical sulfate reduction (TSR) reactions.
University of Calgary 2010-current, B.Sc. (Applied Chemistry)
Dr. Payman Pirzadeh (Postdoctoral Fellow, 2014-2015)
Dr. Pirzadeh is currently working at Imperial Oil as a Lead Researcher, Asphalt.
Low temperature thermochemical sulfate reduction (TSR) reactions.
Ph.D. in Computational/Physical Chemistry, University of Calgary (2012), "Ice growth phenomenology in the presence of non-electrolytes: From small molecules to antifreeze proteins."
M.Sc. in Biophysics, University of Teheran, Iran.
B.Sc. in Physics, Sharif University of Technology, Iran.
Dr. Behnaz Hojjati (Postdoctoral Fellow, 2012-2015)
Ph.D., Chemical Engineering, "Synthesis and Characterization of TiO2Nanocomposites via Reversible Addition Fragmentation Chain-Transfer Polymerization (2010)." University of Western Ontario, London, Ontario, Canada.
B.Sc., Sharif University of Technology, Tehran, Iran.
Matt Saunders (Summer Research Student, 2014)
Matt is currently an Analytical Specialist with Sulphur Experts.
Measured densities of wet CO2 over large pressure ranges.
B.Sc. (Chemistry), University of Calgary.
Red Deer College 2009-2012.
Zach Ward (Ph.D. student, A.K. Sum and C.A. Koh, Colorado School of Mines, 2013)
Zach is a Senior Application Scientist at Clariant.
Ph.D., Colorado School of Mines.
B.Sc., Colorado School of Mines.
Dr. Soheil Mortazavi-Manesh (2010-2014)
Dr. Mortazavi-Manesh is currently pursuing an MBA at the University of Calgary and is an independent consultant (Oil and Gas Engineering).
Ph.D. in Chemical Engineering, "Gas sweetening using Ionic liquids." (2014).
M.Sc. in Chemical Engineering (Thermodynamics), Sharif University of Technology, Iran (2002). MSc in Chemical Engineering (2008), University of Calgary in Chemical Engineering (Controls).
B.Sc. in Petrochemical Engineering, Isfahan University of Technology, Iran (2000).
Dr. Erin Evoy (Undergraduate Summer Research Student 2013)
Elemental sulfur viscosity.
B.Sc., University of Western Ontario, 2015.
Erin completed a Ph.D. in 2020 at the University of British Columbia.