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SEM-EDS characterization of inorganic material in refuse-derived fuels

机译：垃圾衍生燃料中无机材料的SEM-EDS表征

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The utilisation of refuse-derived fuel (RDF) in energy production is restricted by their inorganic impurities, such as heavy metals and chlorine. In this contribution, three different types of RDF were studied by SEM-EDS. These materials originated from three locations: construction sites, households, and supermarkets. Several fuel samples of every type of RDF were used in this study. The compositional distributions of the inorganic particles were determined directly from each fuel and the results are presented as quasiternary diagrams. The presentation method makes it possible to identify inorganic particles such as sand, alkali metal chlorides, calcium chloride, gypsum, lime, titanium pigment, iron as an element or oxide, and metallic aluminium from fuel. The results can be used to discuss the origin of different inorganic components in these materials and serve as a base for discussion of the suitability to use each waste material as fuel. It also facilitates the design of appropriate purification steps that are needed.
机译：垃圾衍生燃料（RDF）在能源生产中的使用受到其无机杂质（例如重金属和氯）的限制。为此，SEM-EDS研究了三种不同类型的RDF。这些材料来自三个位置：建筑工地，家庭和超级市场。本研究使用了每种RDF类型的几种燃料样品。直接从每种燃料中确定无机颗粒的组成分布，并将结果表示为四级图。该表示方法使得可以从燃料中识别出无机颗粒，例如沙子，碱金属氯化物，氯化钙，石膏，石灰，钛颜料，作为元素或氧化物的铁以及金属铝。结果可用于讨论这些材料中不同无机成分的来源，并为讨论使用每种废料作为燃料的适用性奠定基础。它还促进了所需的适当纯化步骤的设计。

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