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izvor podataka: crosbi

Radioactive contamination of the environment due to phosphate fertilizer production (CROSBI ID 497840)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Marović, Gordana ; Kovač, Jadranka ; Senčar, Jasminka ; Bronzović, Maja Radioactive contamination of the environment due to phosphate fertilizer production // IRPA 11 Full papaers. 11th International Congress of the International Radiation Protection Association. Madrid: International Radiation Protection Association (IRPA), 2004

Podaci o odgovornosti

Marović, Gordana ; Kovač, Jadranka ; Senčar, Jasminka ; Bronzović, Maja

engleski

Radioactive contamination of the environment due to phosphate fertilizer production

Phosphate ore is starting material for all phosphate products and is the main source of phosphorus for fertilizer production. Prior to processing, phosphate ore contains radium and its decay products, which tends to stay in phosphogypsum produced during the wet phosphoric acid process. Most of the phosphogypsum is considered waste and is disposed at local dump sites or used as by-products. The local dump sites, containing radium are often unprotected and may be a source of contamination to surface or ground waters. Practical implications of this finding are important in view of possible environmental contamination of the area around a fertilizer plant. This study was carried out in the area of a phosphate fertilizer factory in central Croatia, within systematic radioactive measurements of the Croatian environment performed by the Radiation Protection Unit of the Institute for Medical Research and Occupational Health in Zagreb. The purpose of this paper was to determine radium specific activity resulting from the phosphate fertilizer production and evaluate possible environmental contamination of the area. Distribution of total radium by the components of the production process was assessed from the values of the radium initial concentrations in raw material, and mean values of radium concentrations measured in waste water, trickling water from piezometers, phosphogypsum deposit and final products.

phosphate fertilizer production; radium; environmental contamination; surface water; ground water

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Podaci o prilogu

2004.

objavljeno

Podaci o matičnoj publikaciji

IRPA 11 Full papaers. 11th International Congress of the International Radiation Protection Association

Madrid: International Radiation Protection Association (IRPA)

Podaci o skupu

11th International Congress of the International Radiation Protection Association

poster

23.05.2004-28.05.2004

Madrid, Španjolska

Povezanost rada

Javno zdravstvo i zdravstvena zaštita