Norm

CEN/TS 15864:2015 en

Karakterisering van afval - Uitloogproef voor basiskarakterisering - Dynamische uitloogproef met continue verversing van uitloogvloeistof, onder omstandigheden die relevant zijn voor de aangegeven scenario's

52,00

Over deze norm

Status Definitief
Aantal pagina's 36
Commissie Uitloogkarakteristieken
Gepubliceerd op 01-12-2015
Taal Engels
CEN/TS 15864 is applicable for determining the leaching behaviour of monolithic wastes under dynamic conditions. The test is performed under experimental conditions relevant to assess the leaching behaviour in view of the considered scenario(s). This test is aimed at determining the release as a function of time of inorganic constituents from a monolithic waste, when it is put into contact with an aqueous solution (leachant). In general, the composition, the temperature and the continuous renewal rate of the leachant are chosen such that the leaching behaviour of the waste material can be studied in view of the considered disposal or recovery scenario. When the release needs to be determined without any reference to a specific scenario, the leachant is demineralized water, the temperature and the continuous renewal rate are fixed. This dynamic monolithic leaching test (DMLT) is a parameter specific test as specified in EN 12920 and is therefore not aimed at simulating real situations. The application of this test method alone is not sufficient for the determination of the detailed leaching behaviour of a monolithic waste under specified conditions. In the framework of EN 12920 and in combination with additional chemical information, the test results are used to identify the leaching mechanisms and their relative importance. The intrinsic properties can be used to predict the release of constituents at a given time frame, in order to assess the leaching behaviour of monolithic waste materials, placed in different situations or scenarios (including disposal and recycling scenarios). The test method applies to regularly shaped test portions of monolithic wastes with minimum dimensions of 40 mm in all directions that are assumed to maintain their integrity over a time frame relevant for the considered scenario. The test method applies to test portions for which the geometric surface area can be determined with the help of simple geometric equations. The test method applies to low permeable monolithic materials.

Details

ICS-code 13.030.10
Nederlandse titel Karakterisering van afval - Uitloogproef voor basiskarakterisering - Dynamische uitloogproef met continue verversing van uitloogvloeistof, onder omstandigheden die relevant zijn voor de aangegeven scenario's
Engelse titel Characterization of waste - Leaching behaviour test for basic characterization - Dynamic monolithic leaching test with continuous leachant renewal under conditions relevant for specified scenario(s)
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