Method for the Sorting of Contaminated Matter in Continuous Flow and Corresponding Device (As Amended)

A method for sorting, in a continuous flow, contaminated materials, which includes: conveying materials from a point (A) to a point (B) by means of a conveyor; measuring the radioactive activity by means of a first sensor between the points (A) and (B) on the top surface (FSUP) of the first conveyor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HIRRIEN MATTHIEU, MESSALIER MARC
Format:	Patent
Sprache:	eng
Schlagworte:	MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL,e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL PERFORMING OPERATIONS PHYSICS POSTAL SORTING SEPARATING SOLIDS FROM SOLIDS SEPERATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, ORSIFTING OR BY USING GAS CURRENTS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A method for sorting, in a continuous flow, contaminated materials, which includes: conveying materials from a point (A) to a point (B) by means of a conveyor; measuring the radioactive activity by means of a first sensor between the points (A) and (B) on the top surface (FSUP) of the first conveyor; and sorting the materials by means of a sorting device. The method may include measuring the radioactive activity of the contaminated material by means of a second sensor, either on the top surface (FSUP) of the conveyor and upstream from the point (A), or below the bottom surface (FINF) of said conveyor; calculating a differential measurement between a measurement from the second sensor and from the first sensor; and restricting the sorting to the comparison between a threshold value and the measurement from the first sensor or the differential measurement.