Philippine Research Reactor-1

Short description: Defunct nuclear research reactor in Quezon City, Philippines

Philippine Research Reactor-1

Operating Institution| Philippine Nuclear Research Institute
Location| University of the Philippines - Diliman, Quezon City
Coordinates|  [ ⚑ ] : 14°39′37″N 121°3′21″E﻿ / ﻿14.66028°N 121.05583°E﻿ / 14.66028; 121.05583
Type| Research reactor
Power| 0 MW
(3 MW; old reactor)
First Criticality| N.A (current subcritical reactor)
August 26, 1963 (old reactor)
Shutdown date| 1988[lower-alpha 1]

The Philippine Research Reactor-1 (PRR-1) is a research reactor that is owned and maintained by the Philippine Nuclear Research Institute (PNRI) in Quezon City, Philippines . The PRR-1 is the first nuclear reactor and the only operating nuclear facility in the Philippines. The PRR-1 initially operated as a critical reactor from 1963 to 1988 and the facility became dormant for 34 years. A new subcritical reactor, the Subcritical Assembly for Training, Education, and Research (SATER), was setup within the facility which was first loaded with nuclear rods in June 2022.

## Contents

* 1 History
* 2 Notes
* 3 See also
* 4 References

## History

The fuel being lowered into the core of the SATER reactor, 2022

The Philippine Research Reactor-1 was built under the Atoms for Peace nuclear research exchange program of the United States .[1] The reactor which had its first criticality on August 26, 1963,[2] was built by U.S. firm General Atomics and was originally a 1 MW MTR-type open pool general-purpose reactor.[1] It was successfully operated from 1964 to 1984 and was utilized for training and research in nuclear science as well as for isotope production.

In 1984, the Philippine Atomic Energy Commission (PAEC; then name of the Philippine Nuclear Research Institute (PNRI) decided to convert and upgrade the reactor into a 3 MW TRIGA Mark III reactor. The converted reactor achieved criticality in April 1988.[2] The converted PRR-1 TRIGA reactor used low-enriched uranium instead of highly enriched uranium. After its conversion, technical and administrative problems rendered the facility inoperable, which resulted in its extended shutdown. In 2005, it was initially decided that the reactor would be decommissioned.[1]

The PNRI with the help of the International Atomic Energy Agency set up a new subcritical reactor with zero-power configuration, the Subcritical Assembly for Training, Education, and Research (SATER) facility.[3][4][5][6] The SATER project was conceptualized in 2014, but actual work on it only began in 2017.[6] After 34 years of the PRR-1 being left unused, the commissioning process of the SATER began when it was loaded with 44 nuclear rods on June 20, 2022. SATER is meant as a training reactor for research reactor operators, regulators and users. The SATER is expected to be fully operational by 2023.[5][7]

## Notes

1. ↑ Shutdown date of the TRIGA Mark III critical reactor. A subcritical reactor became operational in its place in 2022.

## See also

| Wikimedia Commons has media related to Philippine Research Reactor-1.

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* Bataan Nuclear Power Plant
* Philippine Nuclear Research Institute

## References

1. ↑ 1.0 1.1 1.2 Santoro, David (July 2013). "ASEAN's Nuclear Landscape – Part 1". Issues & Insights (Center for Strategic & International Studies) 13 (10): 1–6. https://www.files.ethz.ch/isn/168814/issuesinsights_vol13no10.pdf. Retrieved 16 April 2023.
2. ↑ 2.0 2.1 "Terms of Reference (TOR) for the Conduct of Feasibility Study (F/S) for the Establishment of a Nucleart Reactor". National Economic and Development Authority. pp. 1–2. https://www.neda.gov.ph/wp-content/uploads/2015/11/TOR-for-Research-Reactor.pdf. Retrieved 16 April 2023.
3. ↑ Asuncion-Astronomo, Alvie; Olivares, Ryan; Romallosa, K; Marquez, J (2019-11-29). Utilizing the Philippine Research Reactor-1 TRIGA Fuel in a Subcritical Assembly. https://www.researchgate.net/publication/338884613.
4. ↑ "Header Information - RRDB - IAEA". https://nucleus.iaea.org/RRDB/RR/HeaderInfo.aspx?RId=285.
5. ↑ 5.0 5.1 Liou, Joanne (24 August 2022). "After 34-Year Gap, the Philippines has a Nuclear Facility Again" (in en). International Atomic Energy Agency. https://www.iaea.org/newscenter/news/after-34-year-gap-the-philippines-has-a-nuclear-facility-again.
6. ↑ 6.0 6.1 "PH nuclear agency reopens nuclear reactor training facility". Philippine Nuclear Research Institute. 20 June 2022. https://www.pnri.dost.gov.ph/index.php/2-uncategorised/734-ph-nuclear-agency-reopens-nuclear-reactor-training-facility.
7. ↑ Nazario, Dhel (21 June 2022). "DOST-PNRI starts commissioning of PRR-1 SATER, PH's sole nuclear reactor training facility". Manila Bulletin. https://mb.com.ph/2022/06/21/dost-pnri-starts-commissioning-of-prr-1-sater-phs-sole-nuclear-reactor-training-facility/.

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