HAL / Highly Active Liquor definition

Published by a LexisNexis Energy expert

What does HAL / Highly Active Liquor mean?

Intermediary stage in the vitrification process at Sellafield. Strict limits are imposed on the amounts of HAL which can be stored. HAL consists of components of spent fuel other than uranium (i.e. radioactive byproducts) dissolved in concentrated Nitric Acid after separation by the PUREX process.

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