BS EN 12457-2-2002 废弃物的特性.浸析.颗粒废弃物和污泥浸析的一致性试验.高固体含量和粒径小于4 mm的材料在液体,固体比为10 l/kg时的一级分批试验

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标准号:BS EN 12457-2-2002
中文标准名称:废弃物的特性.浸析.颗粒废弃物和污泥浸析的一致性试验.高固体含量和粒径小于4 mm的材料在液体,固体比为10 l/kg时的一级分批试验
英文标准名称:Characterisation of waste. Leaching. Compliance test for leaching of granular waste materials and sludges. One stage batch test at a liquid to solid ratio of 10 l/kg for materials with particle size below 4 mm (without or with size reduction)
标准类型:Z13
发布日期:2002/10/15 12:00:00
实施日期:2002/10/15 12:00:00
中国标准分类号:Z13
国际标准分类号:13.030.10;13.030.20
适用范围:This part of four European Standards specifies a compliance test providing information on leaching of granularwastes and sludges under the experimental conditions specified hereafter, and particularly a liquid to solid ratioof 10 l/kg dry matter. It applies to waste which has a particle size below 4 mm without or with size reduction (asspecified in 4.3.2)This European Standard has been developed to investigate mainly inorganic constituents from wastes. It does nottake into account the particular characteristics of non-polar organic constituents nor the consequences ofmicrobiological processes in organic degradable wastes.The test procedure specified in this European Standard produces an eluate which shall subsequently becharacterised physically and chemically according to appropriate standard methods.NOTE 1 This procedure cannot be applicable to materials with a water content or such a water affinity that a good mixing ofthe 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 gasemission, 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.This test cannot be used alone to determine the leaching behaviour of a waste, as specified in ENV 12920 .This European Standard does not address issues related to health and safety.

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