
handle: 10261/88527
[ES] Tras unas breves consideraciones generales sobre la aplicación de la microscopía al estudio de los fenómenos que se verifican en la transformación de la hulla en coque y al examen de las propiedades del producto final de la carbonización, se expone con detalle la forma de llevar a cabo el análisis microscópico cuantitativo, explicando la preparación de muestras, la realización del análisis y la forma de exponer sus resultados. Se definen, aplicando los conceptos a un ejemplo práctico, la compacidad del coque y los índices de tamaño medio de poros y de espesor medio de paredes de huecos, así como los valores dados para estos índices por las fórmulas de Daub, terminándose con unas referencias sobre las relaciones que pueden existir entre la resistencia mecánica y la constitución microscópica del coque.
[EN] The applications of the microscopical techniques to the study of the steps under which the transformation of coal into coke takes place, and to the determination of the properties of the carbonised product are briefly considered. Details are given of the way in which the quantitative microscopic analysis of coke is carried out, explaining how to prepare the samples, and the way to perform these analysis and to report its results. The compacity of the coke and the average pore size and wall thickness are defined on one practical example. The Daub's formulae for the calculation of the indexes are also given. To finish, reference is made of the relations that can be established between the mechanical strength of the coke and its microscopical composition.
Peer reviewed
Carbón, Coque
Carbón, Coque
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