FINGAL Process

Process and equipment development will continue at Harwell with a concentrated effort on a modification of the FINGAL Process called HARVEST which features an annular calcining and vitrification unit. 

ITie British HARVEST process. Another vitrification process is the HARVEST process (C3, M3], an improved version of the former FINGAL process. It is a pot process or, in the categories of this chapter, a liquid-feed/in-can melting process. A full-scale, fully radioactive plant is scheduled to be in operation at the Windscale site in 1986. 

FINGAL [Fixation in Glass of Active Liquors] A batch process for immobilizing nuclear waste in a borosilicate glass. Developed by the United Kingdom Atomic Energy Authority from 1958 and piloted at its Windscale Works 1962-1966. After a lapse of several years, the project was resumed in 1972 under the acronym HARVEST. 

HARVEST [Highly Active Residue Vitrification Experimental Studies] A process for immobilizing nuclear waste by incorporation in a borosilicate glass. Developed from FINGAL. Piloted by the UK Atomic Energy Authority at Sellafield in the late 1970s, but abandoned in 1981 in favor of the French vitrification process AVM. 

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