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Circuits Chemistry
Objectives:
- Decrease of the radiation level from CNE systems by decontamination and by limitation of radionuclides formation and transport;
- Understanding of the corrosion/erosion degradation mechanisms in structural components from the primary and secondary circuits;
- Completion of the monitoring systems of the operation chemical parameters for the environment in the primary and secondary circuits.
Research perspectives:
- Corrosion of structural materials from the primary circuit in normal and abnormal conditions of Cernavoda NPP reactor operation;
- Structural materials corrosion of components and equipments in the secondary circuit of Cernavoda NPP reactor;
- Water chemistry and corrosion products transport in environments from CNE circuits;
- Decontamination of the systems and equipments from Cernavoda NPP.
Main results of research:
- Development of some specific methods to control the corrosion of structural materials from, primary and secondary circuit, as a function of material, environment and operation conditions, for identify the fault types produced by corrosion;
- Elaboration of the evaluation methodology of the structural materials corrosion behavior and corrosion products deposition in the primary circuit of Cernavoda NPP reactor;
- Development of an informative system for analysis and evaluation of the generalized and localized corrosion for some structural materials (zirconium alloys, carbon and stainless steel, nickel alloys);
- Methods for chemical cleaning and corrosion prevention (i.e. passivation, corrosion inhibitors) for some carbon steel components;
- Corrosion analysis of some corroded components, identification of causes which led to failure and possible remedies;
- Experimental studies on decontamination of the primary circuit and of some components during decommissioning.
Contact: Manuela FULGER;
email: manuela.fulger@nuclear.ro
Last update: 22.04.2010 |
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Nuclear 2012
The 5th Annual International Conference on Sustainable Development through Nuclear Research and Education
May 16-18, 2012
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