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The first part of the work consists of an economic and technical overview of the scrap metal industry. The different segmenting techniques most often used are described, along with the associated dust emissions. The experimental conditions in most studies to date do not allow the results to be extrapolated to working conditions in a scrapyard. Therefore an experiment was carried out by IPSN at a scrapyard, the dust concentrations and particle size distribution in the atmosphere were determined at the different working places within the scrapyard. IPSN also performed segmenting experiments on metallic samples which were contaminated with caesium or cobalt. The cuts were carried out using a shear or an oxyacetylene torch. Simultaneously Siemens performed segmenting experiments on metallic samples contaminated with uranium in the form of UO(2) powder or uranyl nitrate solution. The analysis brings the dust re-suspension factors and particle size distirbutions into the radiological impact evaluation for mechanical and thermal segmenting of metal scrap. Lastly, a statistical analysis of the different scenarios studied is realized by Brenk Systemplanung.

Additional information

Authors: GARBAY H, CEA, CEN Fontenay-aux-Roses (FR);CHARLIER DE CHILY A, CEA, CEN Fontenay-aux-Roses (FR);BECKERT A, Brenk Systemplanung, Aachen (DE);GÜLDNER R, Siemens AG, Hanau (DE)
Bibliographic Reference: EUR 16918 EN (1996) 98pp., FS, ECU 11.50
Availability: Available from the (2)
ISBN: ISBN 92-827-7745-6
Record Number: 199611102 / Last updated on: 1996-10-28
Original language: en
Available languages: fr,de,en