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Patent US10435766
Issued 2019-10-08
Removal Of Radionuclides From Mixtures
The present invention relates to a method of separating radioactive elements from a mixture, wherein the mixture is treated with at least one alkanesulfonic acid and at least one further acid, selected from the group consisting of hydrochloric acid, nitric acid, amidosulfonic acid and mixtures thereof and also the use of at least one alkanesulfonic acid and at least one further acid for separating radioactive elements from mixtures comprising these.
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- 1. A method of separating a radioactive element from a mixture, the method comprising:
treating the mixture with at least one alkanesulfonic acid and at least one further acid selected from the group consisting of hydrochloric acid, nitric acid, amidosulfonic acid and a mixture thereof, such that at least one radioactive element is separated from the mixture, wherein: the mixture is an ore or an ore concentrate; and the at least one radioactive element separated from the mixture is selected from the group consisting of uranium-238, uranium-235, thorium-230, thorium-227, lead-210, radium-226 and mixtures thereof.
