Fission isotope release kinetics and its sorption on insitu formed MnO2 during the dissolution of fission isotope substituted chromium oxide in HMnO4
- 1. Bhabha Atomic Research Centre Facilities, Kalpakkam (India). Water and Steam Chemistry Division, Chemistry Group
Description
Fission isotopes contribute approximately 10% of the total radioactivity removed from the heat transport circuit of reactor systems during the chemical decontamination process. Simulated corrosion products (SCP) (CrFeO3 and MxCrFe1-xO3) and with fission isotope substituted in SCP [MxNiCrFe1-xO4 (M = La, Ce and Zr; x ≤ 0.05)] were synthesised and its dissolution behavior were studied in permanganate medium. Fission isotope metal ion substitution in SCP showed enhanced 'Cr' dissolution rates during the permanganate treatment. Among the fission isotope (La, Ce and Zr) substituted oxide dissolution studies, 'La' release was more compare to 'Ce' and 'Z'. The release behavior of fission products studies showed that dissolved lanthanum is getting sorbed onto the insitu formed MnO2. (author)
Additional details
Publishing Information
- Journal Title
- Journal of Radioanalytical and Nuclear Chemistry
- Journal Volume
- 324
- Journal Issue
- 2
- Journal Page Range
- p. 791-801
- ISSN
- 0236-5731
- CODEN
- JRNCDM
INIS
- Country of Publication
- Hungary
- Country of Input or Organization
- Hungary
- INIS RN
- 51098193
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- CHROMIUM OXIDES; CORROSION; DISSOLUTION; FERRITE; FISSION PRODUCTS; ISOTOPES; PERMANGANATES
- Descriptors DEC
- ALLOYS; CARBON ADDITIONS; CHALCOGENIDES; CHEMICAL REACTIONS; CHROMIUM COMPOUNDS; IRON ALLOYS; ISOTOPES; MANGANESE COMPOUNDS; MATERIALS; OXIDES; OXYGEN COMPOUNDS; RADIOACTIVE MATERIALS; TRANSITION ELEMENT ALLOYS; TRANSITION ELEMENT COMPOUNDS
Optional Information
- Notes
- 26 refs.