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Mostrando ítems 1-10 de 14
Artículo
Occupational dosimetric assessment (inhalation pathway) from the application of phosphogypsum in agriculture in South West Spain
(Elsevier, 2009)
Phosphogypsum (PG) has been traditionally applied as Ca-amendment in saline marsh soils in SW Spain, where available PG has 710 ± 40 Bq kg−1 of 226Ra. This work assesses the potential radiological risk for farmers through ...
Artículo
Extensive radioactive characterization of a phosphogypsum stack in SW Spain: 226Ra, 238U, 210Po concentrations and 222Rn exhalation rate
(Elsevier, 2009)
Phosphogypsum (PG) is a by-product of the phosphate fertilizer industries that contains relatively high concentrations of uranium series radionuclides. The US-EPA regulates the agriculture use of PG, attending to its 226Ra ...
Artículo
Phosphogypsum Amendment Effect on Radionuclide Content in Drainage Water and Marsh Soils from Southwestern Spain
(Wiley, 2003)
Phosphogypsum (PG) is a residue of the phosphate fertilizer industry that has relatively high concentrations of 226Ra and other radionuclides. Thus, it is interesting to study the effect of PG applied as a Ca amendment on ...
Artículo
239Pu sorption by suspended matter from Hueznar reservoir (southern Spain): Experimental and modelling study
(E. D. P. Sciences, 2005)
Kinetic transfer coefficients are important parameters to understand and reliably model the behaviour of non-conservative radionuclides in aquatic environments. This report pertains to a series of radiotracer experiments ...
Artículo
Evaluation of the radioactive impact of the phosphogypsum wastes used as amendment in agriculture soils
(E. D. P. Sciences, 2005)
Some 3x109 kg of phosphogypsum (PG) wastes are annually generated by two fertiliser-production factories in Huelva (south-western Spain). PG has relatively high concentrations of 226Ra and other radionuclides, with an ...
Artículo
Application of a liquid scintillation counter to the measurement of tracing radioactivity in experiments on suspended matter uptake in aquatic environments
(E. D. P. Sciences, 2002)
The experiments on the study of the kinetic transfer coefficients of conservative and non-conservative radionuclides, in aquatic environments, need to determine radionuclide activity in large number of samples. Different ...
Artículo
Contamination and restoration of an estuary affected by phosphogypsum releases
(Elsevier, 2009)
The Huelva Estuary in Huelva, Spain, has been one of the most studied environmental compartments in the past years from the point of view of naturally occurring radioactive material (NORM) releases. It has been historically ...
Artículo
Development and operational performance of a single calibration chamber for radon detectors
(Elsevier Science BV, 2007)
This work shows the design, setup and performance of a new single radon detector calibration chamber developed at the University of Huelva (Environmental Radioactivity Group). This system is based on a certified radon ...
Artículo
Behaviour and fluxes of natural radionuclides in the production process of a phosphoric acid plant
(PERGAMON-ELSEVIER SCIENCE LTD, 2009)
In recent years there has been an increasing awareness of the occupational and public hazards of the radiological impact of non-nuclear industries which process materials containing naturally occurring radionuclides. ...
Artículo
External radiation assessment in a wet phosphoric acid production plant
(PERGAMON-ELSEVIER SCIENCE LTD, 2009)
The factories dedicated to the production of phosphoric acid by the so-called wet acid method are usually considered typical NORM industries, because the phosphate rock used as raw material usually contains high concentrations ...