{"id":2442,"date":"2020-06-26T07:15:44","date_gmt":"2020-06-26T07:15:44","guid":{"rendered":"http:\/\/alalloycasting.com\/?p=2442"},"modified":"2020-09-17T03:37:20","modified_gmt":"2020-09-17T03:37:20","slug":"aluminum-oxide-refining","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/aluminum-oxide-refining\/","title":{"rendered":"Refinado de \u00f3xido de aluminio"},"content":{"rendered":"<p>La al\u00famina es el nombre com\u00fan del \u00f3xido de aluminio (Al\u2082O\u2083). La al\u00famina se obtiene a partir de la bauxita, un mineral que se extrae de la capa superficial del suelo en diversas regiones tropicales y subtropicales. El m\u00e9todo Bayer, descubierto en 1887, es el principal m\u00e9todo para extraer al\u00famina de la bauxita. Para producir aluminio puro, es necesario utilizar el proceso de electr\u00f3lisis de Hall-H\u00e9roult para fundir la al\u00famina. Este proceso se denomina producci\u00f3n primaria. AdTech ofrece unidades de desgasificaci\u00f3n, <a href=\"https:\/\/www.alalloycasting.com\/es\/ceramic-foam-filter-pzr\/\">Filtros CFF<\/a>, <a href=\"https:\/\/www.alalloycasting.com\/es\/fluxes\/\">fundentes de refinado<\/a> para el refinado de \u00f3xido de aluminio.<\/p>\n<p>La al\u00famina se conoce habitualmente como \u00f3xido de aluminio, un compuesto formado por mol\u00e9culas de aluminio y ox\u00edgeno (Al\u2082O\u2083). Tras su refinado a partir de la bauxita, la al\u00famina suele presentarse en forma de polvo blanco, similar a la sal de mesa o al az\u00facar granulado. A la al\u00famina se la suele llamar \u00f3xido de aluminio, pero tambi\u00e9n puede denominarse al\u00f3xido, aloxita o alundum, dependiendo del sector y del uso que se le d\u00e9 al metal.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-4845\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/06\/Aluminum-Oxide-Refining-1.jpg\" alt=\"Refinado de \u00f3xido de aluminio\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/06\/Aluminum-Oxide-Refining-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/06\/Aluminum-Oxide-Refining-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2>Refinado de \u00f3xido de aluminio<\/h2>\n<p>Adem\u00e1s de la producci\u00f3n de aluminio primario, la al\u00famina tambi\u00e9n tiene otros usos industriales fundamentales. La al\u00famina se utiliza habitualmente como relleno en pl\u00e1sticos. Este compuesto tambi\u00e9n se emplea ampliamente como abrasivo y constituye una alternativa econ\u00f3mica a los diamantes industriales. Las escamas de al\u00famina aportan un efecto reflectante a las pinturas de autom\u00f3viles. El mayor uso de la al\u00famina tiene lugar en las refiner\u00edas, donde los compuestos de al\u00famina se utilizan para convertir el peligroso gas residual de sulfuro de hidr\u00f3geno en azufre elemental.<\/p>\n<p>La al\u00famina, en su forma natural y libre, se denomina corind\u00f3n. En casos especiales, el corind\u00f3n da lugar a zafiros y rub\u00edes. Estas gemas pueden producirse sint\u00e9ticamente, y en ocasiones se denominan \u00abal\u00famina\u00bb. El t\u00e9rmino suele limitarse a las gemas sint\u00e9ticas utilizadas en las industrias metal\u00fargica, cer\u00e1mica y de procesamiento qu\u00edmico. Los rub\u00edes y los zafiros de origen natural son dos de los cuatro tipos de piedras preciosas; las esmeraldas y los diamantes son los otros dos.<\/p>\n<p>El aluminio puede fusionarse con pel\u00edculas especiales para crear envases flexibles. Cada vez es m\u00e1s habitual fusionar papel de aluminio y pel\u00edculas flexibles para fabricar envases ligeros y flexibles. Esta tecnolog\u00eda permite que el envase se expanda para adaptarse a la forma de su contenido y, posteriormente, se contraiga a medida que se consume el producto.<\/p>","protected":false},"excerpt":{"rendered":"<p>Alumina is the common name of aluminum oxide (Al2O3). Alumina is produced from bauxite, which is ore mined from topsoil in various tropical and subtropical&hellip;<\/p>","protected":false},"author":1,"featured_media":4843,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[657,656],"class_list":["post-2442","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo","tag-alumina-refining-process","tag-aluminum-oxide-refining"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aluminum Oxide Refining, Alumina Refining Process<\/title>\n<meta name=\"description\" content=\"Aluminum Oxide Refining - Alumina is produced from bauxite, which is ore mined from topsoil in various tropical and subtropical regions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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