Determination of the cesium distribution coefficient in Goiania and Abadia de Goias cities soils
Description
In September, 1987, an unauthorized removal of a cesium-therapy unit and its violation caused an accident, where several places of Goiania's city, capital of Goias, Brazil, were contaminated. The removal of the radioactive wastes generated from decontamination process, was made to Abadia de Goias city (near Goiania), where an interim storage was constructed. Soil samples collected from the 57th Street (Goiania) and from the interim storage permitted to determine, through static method, the cesium distribution coefficent for different cesium solution concentrations. Those results allows for some migration/retention evaluations in disposal site selection. Some soils parameters (water content, density, granulometric analysis etc) as well as clay minerals constituents were also determined. (author)
Availability note (English)
MF available from INIS under the Report Number.Abstract (Portuguese)
Em setembro de 1987, uma unidade de cesioterapia foi removida e violada sem autorizacao, causando um acidente, onde varias residencias e logradouros publicos da cidade de Goiania, Brasil, foram contaminados. O rejeito, gerado no processo de descontaminacao, foi entao, transferido para um deposito provisorio, construido em Abadia de Goias. Amostras de solo coletados da rua 57 (Goiania) e do deposito provisorio, permitiram determinar, utilizando um metodo estatico, o coeficiente de distribuicao do cesio para solucoes com diferentes concentracoes de cesio. Estes resultados permitem avaliar algumas propriedades de migracao/retencao para selecao de local para deposicao. Alguns parametros dos solos (conteudo de agua, densidade, analise granulometrica etc) bem como os constituintes minerais das argilas foram tambem determinados. (autor)Files
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Additional details
Publishing Information
- Imprint Pagination
- 21 p.
- Report number
- IPEN-PUB--271
INIS
- Country of Publication
- Brazil
- Country of Input or Organization
- Brazil
- INIS RN
- 21023277
- Subject category
- S54: ENVIRONMENTAL SCIENCES; S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
- Descriptors DEI
- BRAZIL; CESIUM 137; LOW-LEVEL RADIOACTIVE WASTES; RADIONUCLIDE MIGRATION; SOILS; WASTE DISPOSAL
- Descriptors DEC
- BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CESIUM ISOTOPES; DEVELOPING COUNTRIES; ENVIRONMENTAL TRANSPORT; INTERMEDIATE MASS NUCLEI; ISOTOPES; LATIN AMERICA; MANAGEMENT; MASS TRANSFER; MATERIALS; NUCLEI; ODD-EVEN NUCLEI; RADIOACTIVE MATERIALS; RADIOACTIVE WASTES; RADIOISOTOPES; SOUTH AMERICA; WASTE MANAGEMENT; WASTES; YEARS LIVING RADIOISOTOPES