United States · West Fork, AR · 35.833, -94.281

SEFOR Southwest Exp Fast Oxide Rx

SEFOR Southwest Exp Fast Oxide Rx, a research reactor (fast) in West Fork, AR, United States, with 20 MW of thermal power, operated by University of Arkansas. Shut down, first critical in 1969.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 27 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 15 fast research reactors remain in operation today across 6 countries. Its declared uses include research, development and experiments.

Country

United States

City

West Fork, AR

Type

Fast

Thermal power

20 MW

Operator

University of Arkansas

Status

Shut down

First criticality

1969

Purpose

Research, development, and experiments

See also: every research reactor in United States · How research reactors work