The field of activity of the Technological Laboratory (within the Pilot Plant for Tritium and Deuterium Separation-PESTD) of ICSI Rm. Valcea consists in the development of technologies and applicable technical solutions for usable processes in the isotopic separation domain, specifically in the field of tritium. Various experiment stands, analysis systems, software development for technological processes, including command and plant management, are integrated into the laboratory.
The human resources activating in the laboratory hold conceptual technological design capabilities, being involved in developing projects in the nuclear fusion field (WDS ITER) and the conceptual project of the Cernavoda NPP detritiation plant.
The Low Temperature Laboratory, part of the “Pilot Plant for Tritium and Deuterium Separation” (ICSI-TRF) was designed to complete the technology of heavy water detritiation, to evaluate the equipment and tools used in cryogenic and hydrogen isotopes separation environments.
The laboratory currently contains equipment, devices and experimental stands which can be used in applications and diverse research, such as: cryogenerators and liquefiers (HRLS 11, LINDE L5, PPH 100, PPG); equipment for the determination of toughness and mechanical strength (Charpy F040 S1 and TC 300), data processing and control equipment, specific analysis systems. The laboratory provides a flexible experimental basis starting from cryogenic processes to high temperatures, with a wide range of applications, from civil engineering to nuclear energy.
Directions of research approached
- Experimental stand for distillation of hydrogen isotopes;
- Resilience, traction and compression tests for materials at cryogenic temperatures;
- Cryogenic temperature and flow sensors;
- Cryo-adsorption and cryo-condensation tests and experiments;
- Use of helium cycles for cryogenic distillation plants;
The main research equipment within the laboratory is the following:
The Tritium Laboratory has the task of determining the concentration of tritium in wastewater samples, urine, vegetation samples, soil samples, precipitation and surface water. Considering the different fields where tritium concentrations are expected, this activity takes place in two different laboratories: a laboratory dedicated to the activity related to the operation of the Pilot Plant for Tritium and Deuterium Separation with the task of measuring the wastewater resulting from technological processes, urine of staff and water supply of the plant and another laboratory where the activity of tritium concentration in environmental samples is determined.
Isotopic techniques have become an important source of additional knowledge in analysing and studying hydrological systems, for rebuilding the climate and other environmental indicators at different time scales.
Along with the Mass Spectrometry Laboratory, with a long experience in deuterium, hydrogen and oxygen-18 measurements, the tritium laboratory has expanded its field of interest and besides tritium radioisotope has managed to also measure C-14.
The main research equipment within the laboratory is:
The field of activity of the Gross Gamma and Alpha/Beta Analysis Laboratory (GGABL) within the Pilot Plant for Tritium and Deuterium Separation (PESTD) – ICSI Rm. Valcea is to carry out radioactivity analyses in environmental samples (water, soil, sediment, spontaneous or cultivated terrestrial vegetation, aquatic vegetation, fish, food, etc.) and in samples specific to the technological processes of the PESTD pilot plant (process fluids, effluents, wastes, etc.).
The main purpose of these activities is to assure the analytical needs of the PESTD pilot plant radioprotection programs (monitoring of the environment, effluents, workplaces, etc.), but it can carry out radioactivity analyses for other organisations (among the beneficiaries being the Nuclear Fuel Factory Pitesti and SNN-Cernavoda NPP).
The specific tests for the analyses mentioned above are the following:
- Identification and quantitative determination of gamma-ray emitting radionuclides by high resolution gamma spectrometry;
- Measurement of gross alpha and beta activities through low background alpha/beta radiometry.
The laboratory operates in accordance with the notification of the National Commission for Nuclear Activities Control (CNCAN) no. ICSI LI 01/2016 and in accordance with the requirements of quality standards SR EN ISO 9001: 2008 and SR EN ISO/CEI 17025.
The working procedures used in these tests are in accordance with the requirements of the following standards:
- SR EN ISO 10703:2016 Water quality. Determination of the activity concentration of radionuclides. Method by high resolution gamma-ray spectrometry.
- SR EN ISO 10704:2016 Water quality. Measurement of gross alpha and gross beta activity in non-saline water. Thin source deposit method.
- SR ISO 9696:2013 Water quality. Measurement of gross alpha activity in non-saline water. Thick source method.
- SR ISO 9697:2017 Water quality. Gross beta activity in non-saline water. Test method using thick source
- ISO 18589-1:2005 Measurement of radioactivity in the environment – Soil, Part 1: General guidelines and definitions.
- ISO 18589-2:2015 Measurement of radioactivity in the environment – Soil, Part 2: Guidance for the selection of the sampling strategy, sampling and pre-tramanent of samples.
- ISO 18589-3:2015 Measurement of radioactivity in the environment – Soil, Part 3: Test method of gamma-emitting radionuclides using gamma-ray spectrometry.
- ISO 18589-6:2009 Measurement of radioactivity in the environment – Soil, Part 6: Measurement of gross alpha and gross beta activities.
- STAS 12248-84 Sediment. Determination of gross beta radioactivity
- ASTM C1402–04:2009 Standard Guide for High-Resolution Gamma-Ray Spectrometry of Soil Samples
- Standard: ASTM D1943-05:2012 Standard test method for alpha particle radioactivity of water
- ASTM C999:2017 Standard practice for soil sample preparation for the determination of radionuclides.
Depending on the radioactivity level of the analysed samples, the preparation/measurement activities of the samples are carried out in two different locations – the location for high levels of radioactivity being the technological building of the PESTD pilot plant, and the location for low levels of radioactivity being the administrative building of PESTD pilot plant.
The main research equipment within the laboratory is: