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China China · Chengdu · 30.660, 104.063 (approximate location)

SPRR-300

SPRR-300, a research reactor (pool) in Chengdu, China, with 3 MW of thermal power, operated by Southwest Institute of Nuclear Physics & Chemistry. Operating, first critical in 1979.

By thermal power it ranks ninth among the 18 research reactors operating in China. It went critical 21 years after the first research reactor in China, HWRR-II (1958). It is one of 48 pool-type reactors operating worldwide, spread across 28 countries. Its declared uses include neutron radiography, silicon doping, transmutation and gemstone irradiation.

Country
China
City
Chengdu
Type
Pool
Thermal power
3 MW
Operator
Southwest Institute of Nuclear Physics & Chemistry
Status
Operating
First criticality
1979
Purpose
Neutron radiography, silicon doping, transmutation, gemstone irradiation, training

Data: IAEA RRDB · updated on Sep 3, 2026

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