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Nuclear is the solution says U of R researcher

Funding allocated to create safe, sustainable waste strategies for small modular reactors.
small-modular-reactor-conceptual-design
A partnership between the Natural Sciences and Engineering Research Council of Canada and Natural Resources Canada is providing more than $1.3 million in support of figuring out strategies to safely manage nuclear waste.

REGINA — According to Dr. Arthur Situm, a Canada Research Chair in Small Modular Reactor Safety and Licensing at the University of Regina, nuclear energy is one of the best tools to solve the world’s need to reduce greenhouse gas emissions.

“Nuclear power emits no greenhouse gasses, produces baseload power – meaning its power does not risk dropping off like a weather-dependent power source, such as wind. It doesn’t require a fossil fuel backup or use expensive storage options,” says Situm, an engineering assistant professor. And while SMRs produce waste – like other power sources – the volume is very small when compared with the energy generated. But, unlike other power sources, all waste from nuclear reactors is captured and safely contained.

Now, with more than $1.3 million in support from a partnership between the Natural Sciences and Engineering Research Council of Canada (NSERC) and Natural Resources Canada (NRCan), figuring out strategies to safely manage that waste is precisely what Situm and his team are working on. Canadian Nuclear Laboratories (CNL) and SaskPower are also part of this research project.

“The federal government is committed to building a net-zero economy that provides clean electricity, economic growth, and good jobs for all Canadians. This means more economic opportunities in the energy sector for provinces such as Saskatchewan, which are exploring nuclear energy as a possible source to power its grid. Nuclear research and training at universities such as the University of Regina will help make new nuclear jurisdictions such as Saskatchewan successful. I congratulate Dr. Situm for his role in advancing this exciting work,” says the Honourable Jonathan Wilkinson, Minister of Energy and Natural Resources.

Situm says that the goal of the project is to develop strategies to manage the radioactive waste produced by the SMRs that may be deployed in Saskatchewan. He says waste management from SMRs consists of creating and implementing plans for managing the generation, collection, transport, and storage of the waste.

“Safe long-term management and disposal of radioactive waste has always been a high priority issue for the nuclear industry. The NRCan-NSERC Alliance Initiative provides a great opportunity for researchers within the University of Regina to access the expertise and facilities within Canadian Nuclear Laboratories (CNL), Canada’s national nuclear laboratory, and collaboratively address this challenge. Together, we are working to advance small modular reactors closer to deployment,” said George Xu, technical manager, Isotopes Radiation and the Environment, CNL.

Situm and his team will look at a range of factors, including the amount of waste that will need to be managed, developing potential designs of a repository for objects with only trace levels of contamination, studying the behaviour of advanced fuels in long-term disposal conditions, and the public's views on potential waste management strategies.

Situm says that one of the more surprising aspects of nuclear power is just how little waste it produces. “A lifetime of electricity usage for one person would only generate enough used nuclear fuel to fit into one pop can, compared to 93,480 pounds of coal or 608,440 cubic feet of natural gas and their associated greenhouse gas emissions.”

SaskPower experts, focused on future planning for radioactive waste management, are also integral to this project, and the partnership supports SaskPower's strategic initiatives and provides valuable training for students, preparing them for future roles in the nuclear sector.

Another important feature of this project will involve training the next generation in SMR technology, helping ensure there are trained professionals ready to meet the demands of the nuclear industry as it continues to evolve.

“Working with both undergraduate and graduate students is an investment in the future. It equips them with the knowledge and skills they’ll need to tackle tomorrow’s energy challenges, promotes environmental sustainability, drives economic growth, and ensures safety and innovation in the nuclear sector,” says Situm.

— Submitted by U of R Media Relations

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