Beware of overly optimistic university press releases. It's hopeful, but certainly not a panacea. In fact, it's not clear if it will work at all.

From your link: "The new study (...) was conducted on prions in solution in the laboratory". "The next step (...) is to mix the mineral with contaminated soil to see if it has the same effect". "I expect that its efficacy would be somewhat diminished in soil".