Water quality management program for IPR-R1 TRIGA® research reactor

The IPR-R1 Triga nuclear research reactor of the Nuclear Technology Development Center (CDTN) is one of the oldest reactors in operation in the world. It is a compact and inherently safe reactor that operates at a continuous power level of 100 kW with a solid homogeneous General Atomic (GA) fuel el...

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Main Authors: Alexandre Soares Leal, João Gabriel Oliveira Marques, Amir Zacarias Mesquita, Daniel Almeida Magalhães Campolina, Denise das Merces Camarano, Jefferson Jose Vilela
Format: Article
Language:English
Published: Brazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR) 2023-12-01
Series:Brazilian Journal of Radiation Sciences
Subjects:
Online Access:http://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2389
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author Alexandre Soares Leal
João Gabriel Oliveira Marques
Amir Zacarias Mesquita
Daniel Almeida Magalhães Campolina
Denise das Merces Camarano
Jefferson Jose Vilela
author_facet Alexandre Soares Leal
João Gabriel Oliveira Marques
Amir Zacarias Mesquita
Daniel Almeida Magalhães Campolina
Denise das Merces Camarano
Jefferson Jose Vilela
author_sort Alexandre Soares Leal
collection DOAJ
description The IPR-R1 Triga nuclear research reactor of the Nuclear Technology Development Center (CDTN) is one of the oldest reactors in operation in the world. It is a compact and inherently safe reactor that operates at a continuous power level of 100 kW with a solid homogeneous General Atomic (GA) fuel element of zirconium hydride moderator homogeneously combined with 20% enriched uranium. The reactor core is at the bottom of a tank under approximately 6.0 meters of shielding water. The long operation time of the reactor, 63 years, and the contact of the water with the core, can induce corrosive processes in the IPR-R1 reactor and affect its safe operation. To keep the water quality according to the chemical-physical recommended standards, a quality management program, as recommended by the International Atomic Energy Agency (IAEA), was implemented. The water quality management program is a guideline of good practices applied to nuclear reactors, targeting to keep their water coolants at specified physical-chemical standard. The main aim of the present work is to introduce IPR-R1 Triga’s water chemistry program results from the second half of 2022 till the first half of 2023, when the installation returned to its regular activities after the Covid-19 pandemic. The physical-chemical parameters evaluated (e.g.: pH, alpha and beta radiation, electrical conductivity and gamma emitters) shows that the IPR-R1 reactor operates within recommended safety standards.
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spelling doaj.art-1218fc5241a84a5fbc49eac190af99ef2023-12-21T22:46:35ZengBrazilian Radiation Protection Society (Sociedade Brasileira de Proteção Radiológica, SBPR)Brazilian Journal of Radiation Sciences2319-06122023-12-0111410.15392/2319-0612.2023.2389Water quality management program for IPR-R1 TRIGA® research reactor Alexandre Soares Leal0João Gabriel Oliveira Marques1Amir Zacarias Mesquita2Daniel Almeida Magalhães Campolina3Denise das Merces Camarano4Jefferson Jose Vilela5Centro de Desenvolvimento de Tecnologia Nuclear – CDTN/CNENCentro de Desenvolvimento de Tecnologia Nuclear – CDTN/CNENCentro de Desenvolvimento de Tecnologia Nuclear – CDTN/CNENCentro de Desenvolvimento de Tecnologia Nuclear – CDTN/CNENCentro de Desenvolvimento de Tecnologia Nuclear – CDTN/CNENCentro de Desenvolvimento de Tecnologia Nuclear – CDTN/CNEN The IPR-R1 Triga nuclear research reactor of the Nuclear Technology Development Center (CDTN) is one of the oldest reactors in operation in the world. It is a compact and inherently safe reactor that operates at a continuous power level of 100 kW with a solid homogeneous General Atomic (GA) fuel element of zirconium hydride moderator homogeneously combined with 20% enriched uranium. The reactor core is at the bottom of a tank under approximately 6.0 meters of shielding water. The long operation time of the reactor, 63 years, and the contact of the water with the core, can induce corrosive processes in the IPR-R1 reactor and affect its safe operation. To keep the water quality according to the chemical-physical recommended standards, a quality management program, as recommended by the International Atomic Energy Agency (IAEA), was implemented. The water quality management program is a guideline of good practices applied to nuclear reactors, targeting to keep their water coolants at specified physical-chemical standard. The main aim of the present work is to introduce IPR-R1 Triga’s water chemistry program results from the second half of 2022 till the first half of 2023, when the installation returned to its regular activities after the Covid-19 pandemic. The physical-chemical parameters evaluated (e.g.: pH, alpha and beta radiation, electrical conductivity and gamma emitters) shows that the IPR-R1 reactor operates within recommended safety standards. http://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2389IPR-R1 Triga Research ReactorWater quality management programPhysical-chemical parameters
spellingShingle Alexandre Soares Leal
João Gabriel Oliveira Marques
Amir Zacarias Mesquita
Daniel Almeida Magalhães Campolina
Denise das Merces Camarano
Jefferson Jose Vilela
Water quality management program for IPR-R1 TRIGA® research reactor
Brazilian Journal of Radiation Sciences
IPR-R1 Triga Research Reactor
Water quality management program
Physical-chemical parameters
title Water quality management program for IPR-R1 TRIGA® research reactor
title_full Water quality management program for IPR-R1 TRIGA® research reactor
title_fullStr Water quality management program for IPR-R1 TRIGA® research reactor
title_full_unstemmed Water quality management program for IPR-R1 TRIGA® research reactor
title_short Water quality management program for IPR-R1 TRIGA® research reactor
title_sort water quality management program for ipr r1 triga r research reactor
topic IPR-R1 Triga Research Reactor
Water quality management program
Physical-chemical parameters
url http://www.bjrs.org.br/revista/index.php/REVISTA/article/view/2389
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