Switzerland · Zurich · 47.539, 8.228

DIORIT

DIORIT, a research reactor (heavy water) in Zurich, Switzerland, with 30 MW of thermal power, operated by Paul Scherrer Institut (PSI). Shut down, first critical in 1960.

It was one of the 6 research reactors Switzerland has had; 1 remains in operation today. It went critical 3 years after the first research reactor in Switzerland, SAPHIR (1957). 10 heavy-water research reactors remain in operation today across 7 countries.

Country

Switzerland

City

Zurich

Type

Heavy water

Thermal power

30 MW

Operator

Paul Scherrer Institut (PSI)

Status

Shut down

First criticality

1960

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