Product Quality and Process Control in the Windscale Vitrification Plantby George D. Beveridge, British Nuclear Fuels plc, Cumbria, United Kingdom,
Abstract: The Windscale Vitrification Plant (WVP) is owned and operated by British Nuclear Fuels (BNFL) at the Sellafield Site in England. The purpose of the facility is to condition the high level liquid waste, resulting from the reprocessing of spent fuel into a suitable solid form for ultimate disposal. The form chosen is a borosilicate glass matrix which meets both the needs of long term durability and plant operability. A considerable amount of work has now been carried out in order to demonstrate that product quality can be guaranteed through process control. This work has ranged from very small scale laboratory studies to full scale production plant trials. WVP entered active service in July 1990 and is currently dealing with the arisings from over 30 years of reprocessing.
Subject Headings: Fuels | Quality control | Heat treatment | Matrix (mathematics) | Glass | Laboratory tests | Nuclear power | Solid wastes | United Kingdom | England | Europe
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