France · Gif-sur-Yvette · 48.729, 2.154

Osiris

Osiris, a research reactor (pool) in Gif-sur-Yvette, France, with 70 MW of thermal power, operated by CEA Saclay. Shut down, first critical in 1966.

It was one of the 38 research reactors France has had; 2 remain in operation today. It went critical 18 years after the first research reactor in France, ZOE (EL-1) (1948). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include isotope production, silicon doping, transmutation and activation analysis.

Country

France

City

Gif-sur-Yvette

Type

Pool

Thermal power

70 MW

Operator

CEA Saclay

Status

Shut down

First criticality

1966

Purpose

Isotope production, silicon doping, transmutation, activation analysis, innovative research, materials testing

See also: every research reactor in France · How research reactors work