Analyses of fuel crud and coolant-borne corrosion products in normal water chemistry BWRs

Sawicki, J.

doi:10.1016/j.jnucmat.2011.08.032

Cited by 10 publications

(5 citation statements)

References 23 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Other research regarding fuel of BWR for instance, the fuel management, Ortiz [40] define four main problem that involved are the design of: fuel lattice, fuel bundle, fuel reload, and control rod patterns and optimize its system by using neural network and find the best combination of the design that satisfied both power density and safety. Aside from the management, BWR also suffered from fuel failure caused by clad and corrosion [41]. Decay ratio (DR) also a parameter in analyzing stability of the reactor, Omar [42] estimate the DR in BWR and develop methodology that contribute in detecting the instability.…”

Section: System Boundary and Reactor Type Reviewmentioning

confidence: 99%

Comparative assessment of the environmental impact of nuclear power plant technology using life cycle assessment approach: A review

Pratiwi,

Nasruddin,

Sasongko

2023

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

Nuclear power plants (NPP) are being considered as an alternative energy that could reducing greenhouse gas emissions. However, there are various challenges that need to be addressed regarding the variation of current nuclear technology such as environmental impact issues. To ensure the sustainability and effectiveness of nuclear power plants technology, a Life Cycle Assessment (LCA) approach can be used to study the environmental impacts of the nuclear power plant. LCA is a method for evaluating the environmental impact of a product or process from start to finish. By conducting a preliminary LCA study of each Nuclear Power Plant technologies, the environmental impacts of the stages of construction, operation, and management of radioactive waste can be understood. This study can also help compare the environmental impacts of nuclear power plants with other energy technologies. This preliminary study will review the environmental impact from pressurized water reactor, boiling water reactor, molten salt reactor, and compare with conventional coal power plant to provide compact summary of the technology. The results of the LCA study can help identify areas that require more attention in the development of nuclear power plants in Indonesia.

show abstract

Section: System Boundary and Reactor Type Reviewmentioning

confidence: 99%

Comparative assessment of the environmental impact of nuclear power plant technology using life cycle assessment approach: A review

Pratiwi,

Nasruddin,

Sasongko

2023

IOP Conf. Ser.: Earth Environ. Sci.

View full text Add to dashboard Cite

show abstract

“…The steel elements of a nuclear power plant (NPP) continue to become partially corroded in the course of its service. As a result of this process and subsequent hydrolysis, iron oxide/hydroxide particles are formed in the condensation water [1,2]. Such particles, generally called "crud", have a mixed chemical composition, which is mainly represented by iron and, to a lesser extent, chromium, nickel, cobalt, and zinc [3,4].…”

Section: Introductionmentioning

confidence: 99%

“…The efficiency of the SIER decontamination by methods not involved in the destruction of the polymer matrix depends on the degree of removal of iron oxide deposits, which, Sustainability 2021, 13, 4756 2 of 9 in its turn, is determined by the completeness of the dissolution of hematite formed by the oxidation of magnetite with dissolved oxygen [2] or due to the transformation of goethite [1]. A significant issue here lies in the fact that it is difficult to dissolve hematite in mineral acids and in the presence of chelating agents, such as EDTA, IDA, and NTA, compared to goethite and magnetite [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Electro-Decontamination of Spent Ion Exchange Resins Contaminated with Iron Oxide Deposits under Dynamic Conditions

2021

View full text Add to dashboard Cite

A method for the electro-decontamination of spent ion exchange resin contaminated with hematite under dynamic conditions using sulfuric acid solutions has been suggested. It has been shown that decontamination under dynamic conditions excludes the secondary adsorption of radionuclides on ion-exchanger sites. The efficiency of this approach has been compared to that of control experiments without direct current treatment. A positive effect of the introduction of Fe2+ on the rate of dissolution of hematite has been demonstrated. This allows for decreasing the concentration of the sulfuric acid solution without decreasing the decontamination efficiency.

show abstract

“…Magnetite (Fe 3 O 4 ) is the primary CP found in deposits because of the reducing conditions in secondary circuit [6]. Under certain exceptional less reducing conditions (e.g.. air ingress and inadequate hydrazine content), it is possible that part of the magnetite goes through oxidation and transforms into ferric oxides, in particular hematite (α-Fe 2 O 3 ).…”

Section: Introductionmentioning

confidence: 99%

Mechanism and kinetics of hematite reduction under typical PWR secondary circuit condition

Chanéac

Berger

et al. 2020

Journal of Nuclear Materials

View full text Add to dashboard Cite

Hydrazine is added into secondary circuit in order to eliminate oxygen and to impose a reducing potential. Another possible role of hydrazine is to reduce hematite potentially present and thus reduce risk of stress corrosion cracking of steam generator tubes. However, the latter effect of hydrazine is still not clear. In order to better understand the mechanism and the kinetics of hematite reduction by hydrazine under secondary circuit conditions (275°C, slightly alkaline, diluted hydrazine), an experimental study has been carried out. It was found that the reduction of hematite proceeds through the adsorption of hydrazine, surficial reduction and dissolution of hematite, and coprecipitation of well crystallized octahedral magnetite.

show abstract

Analyses of fuel crud and coolant-borne corrosion products in normal water chemistry BWRs

Cited by 10 publications

References 23 publications

Comparative assessment of the environmental impact of nuclear power plant technology using life cycle assessment approach: A review

Comparative assessment of the environmental impact of nuclear power plant technology using life cycle assessment approach: A review

Electro-Decontamination of Spent Ion Exchange Resins Contaminated with Iron Oxide Deposits under Dynamic Conditions

Mechanism and kinetics of hematite reduction under typical PWR secondary circuit condition

Contact Info

Product

Resources

About