Thermal Oxide Reprocessing Plant
The Thermal Oxide Reprocessing Plant, or THORP, is a nuclear fuel reprocessing plant at Sellafield in Cumbria, England. THORP is owned by the Nuclear Decommissioning Authority and operated by Sellafield Ltd, the site licensee.
Source: Wikipedia — Thermal Oxide Reprocessing Plant (CC BY-SA 4.0)