News

A team of graduate students from the Department of Chemical Engineering earned an impressive second place in the WEF Technical Exhibition and Conference (WEFTEC).

The student team, supervised by Professor Sarah Meunier, first won the Water Environment Association of Ontario (WEAO) competition. The contest, a municipality that provides a current and relevant problem.  After that the team, sponsored by WEAO moved on to a second-place win at WEFTEC.

WEFTEC is the largest water quality exhibition in North America, and they hold an annual international student competition. The University of Waterloo team, which included Joseph Wortman, Rosa Maria Castillo, Maryory Ocana and Jinxuan Zhang competed against students from universities from across North America in the new Circular Water Economy category.

The teams were tasked with optimizing a wastewater treatment plan in Barrie. One of the biggest real-world hurdles is that Barrie expects its population to double by 2051, but the treatment plant itself has no room to grow.

Chemical engineering professors are taking on the problem of plastic waste in the environment by leveraging synthetic biology to turn plastic waste into valuable resources.

“We’re stepping out of our silos to advance sustainability,” says Professor Marc Aucoin. “The question is: can we use biology—or can we tune biology—to aid us in tackling plastic pollution?”

The answer may well be yes. The research group recently co-authored an overview of strategies to leverage synthetic biology, microbial engineering and engineering design to degrade and upcycle plastic waste.

Professor Christian Euler, Waterloo’s lead for the Center for Innovative Recycling and Circular Economy (CIRCLE) in a recent study is investigating whether feedstocks derived from plastic waste could provide the energy to drive carbon dioxide (CO₂) conversion.

 The ScotiaBank Climate Action Research Fund is being awarded to Professor Christian Euler for a groundbreaking approach that aims to use bacteria to transform combined waste streams, including plastic-derived waste and CO2 into sustainable products such as bioplastics.

The ScotiaBank Climate Action Research Fund is granted to scientists and engineers whose research will advance climate-related initiatives.  Euler’s project offers a glimpse into a future where waste is not a problem to solve—it’s part of the solution.

“Innovation and research are important in the transition to a lower-carbon economy,” said Kim Brand, Vice President, Global Sustainable Business at Scotiabank. “At Scotiabank, we believe that research and collaboration can unlock practical solutions for businesses, communities, and individuals alike. The goal of the Climate Action Research Fund is to support initiatives, like the one underway at the University of Waterloo, to come to life in support of solutions for a more sustainable future.”

Euler’s research group could potentially create tailored biopolymers with specific properties by adjusting the bacteria’s feedstock. For instance, biopolymers could be created for use as biodegradable packaging. 

Chemical engineering alumni Jacqueline Hanton and Kayli Smith (both BASc ’20) founded a start-up called Friendlier in 2019. The company is dedicated to addressing Canada’s single-use plastic problem.

Hanton and Smith both did a study term in Sweden during their undergraduate degrees. This experience opened their eyes to the power of conscious consumerism and ignited a shared determination to preserve the planet and minimize the effects that humans are having on the environment—leading to the creation of Friendlier.

Since 2019, Hanton and Smith have raised a total of $10 million and prevented 3.7 million food and beverage containers from ending up in landfills. Friendlier has expanded its operations and now has 200 locations in Ontario, British Columbia, Nova Scotia, Manitoba, and Quebec, quickly building a national presence.

Professor Maxime Van der Heijden is a new faculty member in the Department of Chemical Engineering. Her research focuses on electrochemistry and electrochemical systems, using a combination of computational modelling, 3D printing and laboratory experimentation.

She was inspired to pursue this area of research by her PhD supervisor at Eindhoven University of Technology in the Netherlands.

“At the time, I had no background in electrochemistry or computational modeling. My supervisor, however, was very enthusiastic about both fields. I was not the obvious choice for his project, but I was eager to take on the challenge—and that’s where my passion for electrochemistry began,” said Van der Heijden.

Van der Heijden now has expertise in engineering porous electrodes for redox flow batteries through modeling, optimization and lab experimentation. Redox flow batteries are not well known in Ontario and Van der Heijden hopes to raise awareness about their potential.

Eric Croiset, a professor in the Department of Chemical Engineering, aims to turn CO2 into sustainable aviation fuel to achieve net-zero emissions. The study proposes to upend the perception of CO2 as a harmful greenhouse gas and instead view it as a valuable new feedstock for producing green fuels.

 Croiset’s research group, including PhD student Mohammadali Emadi, is exploring an innovative idea to capture CO2 gas directly from the air and turn it into sustainable aviation fuel. This idea has the potential to create a financial incentive to treat CO2 as a resource, bringing a circular carbon economy a step closer to becoming a reality.

The study combined two emerging technologies, Direct Air Capture (DAC), taking CO2 from the air and using Solid Oxide Electrolysis Cells (SOEC) to change CO2 and steam into syngas, a mixture of primarily CO and H2. Syngas can then be processed into synthetic chemicals or fuels, such as sustainable aviation fuel.

Mohamed Wanas is a technical leader for Nuclear Island Hydraulic Systems at GE Hitachi Nuclear Energy- a role that caps an interesting career path. His journey brought him to Canada, where a pivotal decision to pursue an MEng degree in the Department of Chemical Engineering helped lay the foundation for his current role in clean energy production.

Wanas completed his undergraduate degree in chemical engineering at the University of Alexandria in Egypt.  He worked on design, commissioning and normal operation phases in the oil and gas industry for eight years while he completed a Master of Applied Science (MASc) degree in Egypt.

Wanas had family in Canada and often travelled to Canada as a child and always hoped to return as an adult. In 2017 he returned with plans to pursue a PhD, however he had a strong desire to return to work in industry and began considering doing an MEng degree to return to work sooner.

Wanas initially considered applying to several Canadian universities; however, he was ultimately drawn to the University of Waterloo—not only because of its renowned engineering program, but also due to a connection he established with Chemical Engineering Graduate Studies Manager Judy Caron.

A research group led by Chemical Engineering Professor Milad Kamkar has developed a method to make it possible to have stable liquid droplets filled with different nanomaterials in another liquid.  

 This breakthrough research has created completely new categories of “programmable" droplet-based soft materials containing a range of nanomaterials. These droplets can be dried and turned into aerogel beads (highly porous materials) that can be deployed in many applications, such as carbon capture and wastewater treatment. 

 In complex environments, like wastewater streams with multiple contaminants, the aerogel beads can be layered or mixed to target specific pollutants.  

“Each bead can absorb a specific type of pollution,” says Kamkar. “Making the material not just multifunctional, but strategically programmable.” 

David Liñán Romero has won the Chemical Engineering Medal for Proficiency in Research Park and Veva Reilly Medal. The award recognizes skill in solving a research problem and efficiency in finding solutions. The award consists of a silver medal and a cash award.

"Winning this award makes me feel gratitude towards those who have encouraged and supported my research and academic development—not only my advisor and colleagues, but also my family and friends,”says Liñán Romero. "My PhD research was in numerical optimization, so I feel this award also recognizes the relevance of computational tools in aiding chemical engineering to shape a more efficient and sustainable future.”

Liñán Romero was a PhD student in the Department of Chemical Engineering supervised by Professor Luis Ricardez-Sandoval. He completed his doctoral studies in September 2024.

Liñán Romero’s main takeaways from studying with Ricardez-Sandoval were the importance of critical thinking and reasoning, as well as effective oral and written communication.

In May, the Canadian Academy of Engineering (CAE) announced that Professor Aiping Yu has been elected as a Fellow.

CAE fellows are nominated and elected by their peers in recognition of their outstanding achievements and lifelong contributions to the field of Engineering.

“I’m honoured to join the esteemed Fellowship,” Yu said. “I’m excited and grateful to have been elected as a Fellow by the Canadian Academy of Engineering.”

Yu is a University Research Chair and is widely recognized for her disruptive research. Yu’s current research focuses on developing nanomaterials for energy storage, such as Na-ion, Zn-ion and Li-ion batteries, as well as battery recycling.

As the director of the Applied Carbon Nanotechnology Laboratory, Yu is engineering graphene and other 2D materials to increase the power density and performance of batteries.

Yu has expertise in using nanomaterials such as nanotubes for the design of high-energy storage supercapacitors.