塑料 - 控制浆料消解系统中塑料材料极限厌氧生物降解的测定 - 沼气生产测量方法

[中文适用范围]： 本文件规定了在固体浓度不超过15%的受控厌氧浆料消化系统中评价塑料材料最终厌氧生物降解性的方法，该系统通常用于处理污水污泥、牲畜粪便或垃圾。 该测试方法旨在得出测试材料中的有机碳转化为沼气形式产生的二氧化碳和甲烷的百分比和转化率。 该方法适用于以下材料，只要它们具有已知的碳含量： - 天然和/或合成聚合物、共聚物或混合物； ——含有增塑剂、着色剂或其他化合物等添加剂的塑料材料； ——水溶性聚合物。 它不适用于在测试所选择的浓度下对测试微生物表现出抑制作用的材料。 注：抑制作用可以通过抑制试验来确定（例如ISO 13641-1 或ISO 13641-2）。 [外文原描述]： This document specifies a method of evaluating the ultimate anaerobic biodegradability of plastic materials in a controlled anaerobic slurry digestion system with a solids concentration not exceeding 15 %, which is often found for the treatment of sewage sludge, livestock faeces or garbage. The test method is designed to yield a percentage and rate of conversion of the organic carbon in the test materials to carbon dioxide and methane produced as biogas. The method applies to the following materials, provided they have a known carbon content: — natural and/or synthetic polymers, copolymers or mixtures; — plastic materials that contain additives such as plasticizers, colorants, or other compounds; — water-soluble polymers. It does not apply to materials which exhibit inhibitory effects on the test microorganisms at the concentration chosen for the test. NOTE Inhibitory effects can be determined by an inhibition test (e.g. ISO 13641-1 or ISO 13641-2).