SS-EN-12457-1 Characterization of waste - Leaching - Compliance test for leaching of granular waste materials and sludges - Part 1: One stage batch test at a liquid to solid ratio of 2 l/kg for materials with high solid content and with particle size below 4 mm (without or with size reduction)

SS-EN-12457-1 - EDITION 1 - CURRENT


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This part of four European Standards specifies a compliance test providing information on leaching of granular wastes and sludges under the experimental conditions specified hereafter, and particularly a liquid to solid ratio of 2 l/kg dry matter. It applies to waste which has a particle size below 4 mm without or with size reduction (as specified in 4.3.2) This European Standard has been developed to investigate mainly inorganic constituents from wastes. It does not take into account the particular characteristics of non-polar organic constituents nor the consequences of microbiological processes in organic degradable wastes. The test procedure specified in this European Standard produces an eluate which shall subsequently be characterised physically and chemically according to appropriate standard methods. This procedure is only applicable to waste material and sludges having a high solid content : the dry matter content ratio shall be at least higher than 33%. In addition, the necessary quantity of eluate shall be obtained to perform the physical and chemical characterisation of the eluate. Furthermore, the minimum dry matter content ratio shall be high enough to allow a sufficient mixing of the leachant and the test portion. NOTE 1 This procedure cannot be applicable to materials with a water content or such a water affinity that a good mixing of the solid with the predetermined quantity of liquid is not achievable. NOTE 2 This procedure cannot be applicable to materials reacting with the leachant, leading, for example, to excessive gas emission, a solidifying effect or an excessive heat release. NOTE 3 By crushing the material, new surfaces are exposed which may lead to a change in leaching properties.

To find similar documents by classification:

13.030.10 (Solid wastes)

13.030.20 (Liquid wastes. Sludge Sewage water disposal and treatment, see 13.060.30)

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Designation Name

SS-EN 12457-1

Revision Level

EDITION 1

Status

Current

Publication Date

Jan. 10, 2003

Language(s)

English

Page Count

28

International Equivalent

EN 12457-1:2002 IDT