Researchers at Stanford University and the University of British Columbia found that small
As researchers continue to searchalternatives to fossil fuel to meet global energy needs, some are still promoting the use of nuclear reactors. Some have even suggested that building small modular reactors will allow plants to be built faster, which they claim will also be cheaper to build . But there has been little mention of the amount and type of nuclear waste associated with such plants.
As the researchers note, in MMR designscooling methods are typically different from those used in large plants. Instead of water, they call for the use of gas or molten salt. They note that this change increases the degree of inefficiency in the process, leading to increased losses.
To find out more about the amount of waste thatcan produce nuclear reactors, the researchers obtained publicly available data from NuScale Power and after analyzing it, they created three models designed to show how much waste three different designs could create. Then they compared the results with data from a conventional nuclear power plant. It turned out that MNR designs can increase the amount of low- and mid-level short-lived waste by up to 35 times per unit of energy produced compared to conventional plants. Scientists also found that such designs would produce 30 times more long-lived waste per unit of energy produced. The authors of the new work concluded that MNR is worse when all indicators related to production waste are taken into account compared to traditional plants.
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