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Germany Germany · Frankfurt am Main · 50.111, 8.682

FRF-1

FRF-1, a research reactor (homogeneous) in Frankfurt am Main, Germany, with 50 kW of thermal power, operated by Johann Wolfgang Goethe Universität. Decommissioned, first critical in 1958.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 1 year after the first research reactor in Germany, FRM (1957). 15 homogeneous reactors remain in operation today across 6 countries. Its declared uses include basic research and neutron irradiation.

Country
Germany
City
Frankfurt am Main
Type
Homogeneous
Thermal power
50 kW
Operator
Johann Wolfgang Goethe Universität
Status
Decommissioned
First criticality
1958
Purpose
Basic research, neutron irradiation

Data: IAEA RRDB · updated on Sep 3, 2026

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