{"id":2705,"date":"2020-07-09T07:21:19","date_gmt":"2020-07-09T07:21:19","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=2705"},"modified":"2020-10-14T08:16:56","modified_gmt":"2020-10-14T08:16:56","slug":"primary-aluminium-production","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/primary-aluminium-production\/","title":{"rendered":"Producci\u00f3n primaria de aluminio"},"content":{"rendered":"

El aluminio, elemento met\u00e1lico, es el tercer elemento m\u00e1s abundante en la corteza terrestre, y constituye el 8% del suelo y las rocas del planeta (el ox\u00edgeno y el silicio representan el 47% y el 28%, respectivamente). En la naturaleza, el aluminio solo se encuentra en compuestos qu\u00edmicos con otros elementos, como el azufre, el silicio y el ox\u00edgeno. El aluminio met\u00e1lico puro solo puede producirse de forma rentable a partir del mineral de \u00f3xido de aluminio. El proceso de producci\u00f3n primaria y purificaci\u00f3n del aluminio es fundamental para la fabricaci\u00f3n de productos de aluminio.<\/p>\n

Producci\u00f3n de al\u00famina<\/strong><\/p>\n

El \u00f3xido de aluminio puro, denominado al\u00famina, se extrae de la bauxita mediante un proceso denominado \u201crefinado\u201d, que consta de dos etapas: un proceso de digesti\u00f3n, en el que se utiliza sosa c\u00e1ustica, que permite separar el hidr\u00f3xido de aluminio del denominado \u00abresiduo de bauxita\u00bb, seguido de una etapa de calcinaci\u00f3n que elimina el contenido de agua del hidr\u00f3xido.<\/p>\n

Producci\u00f3n primaria de aluminio<\/strong><\/p>\n

El aluminio fundido se extrae de la al\u00famina mediante un proceso electrol\u00edtico denominado \u00abfundici\u00f3n\u00bb, que rompe el fuerte enlace qu\u00edmico entre los \u00e1tomos de aluminio y ox\u00edgeno mediante una potente corriente el\u00e9ctrica. Una vez recogido el metal l\u00edquido, se traslada a la fundici\u00f3n, donde se purifica, se alea seg\u00fan las especificaciones y, a continuaci\u00f3n, se moldea en lingotes.<\/p>\n

\"Producci\u00f3n<\/p>\n

Proceso de purificaci\u00f3n del aluminio fundido<\/strong><\/p>\n

AdTech ofrece servicios en l\u00ednea unidad de desgasificaci\u00f3n<\/a>, Unidad de filtrado CFF<\/a>, fundentes destinados a la purificaci\u00f3n del aluminio fundido o de aleaciones de aluminio mediante la eliminaci\u00f3n de impurezas gaseosas. Entre estas impurezas se incluyen el hidr\u00f3geno, las impurezas s\u00f3lidas, los \u00f3xidos met\u00e1licos y otros compuestos presentes en el metal fundido. El proceso se caracteriza por el uso de materiales no t\u00f3xicos y por la eliminaci\u00f3n pr\u00e1ctica de una reducci\u00f3n sustancial de la emisi\u00f3n de gases y humos potencialmente nocivos a la atm\u00f3sfera. AdTech unidades de purificaci\u00f3n de aluminio fundido<\/a> puede llevarse a cabo f\u00e1cilmente en las instalaciones existentes de fundici\u00f3n y colada de metales, y puede utilizarse de forma rentable. El flujos<\/a> Han sido desarrollados por AdTech y se utilizan para la desgasificaci\u00f3n y la escorificaci\u00f3n del metal fundido durante la fundici\u00f3n de aleaciones de aluminio. El agente refinador de AdTech emplea una tecnolog\u00eda exclusiva para potenciar el efecto de los procesos tradicionales de desgasificaci\u00f3n y eliminaci\u00f3n de escoria en el metal fundido. Se utiliza en la fundici\u00f3n y la laminaci\u00f3n de m\u00faltiples series de productos de aleaciones de aluminio.<\/p>\n

El aluminio met\u00e1lico tiene muchas propiedades que lo hacen \u00fatil en una amplia gama de aplicaciones. Es ligero, resistente, no magn\u00e9tico y no t\u00f3xico. Conduce el calor y la electricidad, y refleja el calor y la luz. Es resistente, pero f\u00e1cil de trabajar, y conserva su resistencia en condiciones de fr\u00edo extremo sin volverse quebradizo. La superficie del aluminio se oxida r\u00e1pidamente, formando una barrera invisible contra la corrosi\u00f3n. Adem\u00e1s, el aluminio puede reciclarse de forma f\u00e1cil y econ\u00f3mica para fabricar nuevos productos.<\/p>","protected":false},"excerpt":{"rendered":"

The metallic element aluminum is the third most plentiful element in the earth’s crust, comprising 8% of the planet’s soil and rocks (oxygen and silicon…<\/p>","protected":false},"author":1,"featured_media":5561,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[798,688,797],"class_list":["post-2705","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-alumina-production","tag-molten-aluminum-purification","tag-primary-aluminium-production"],"yoast_head":"\nPrimary Aluminium Production\u00a0and\u00a0Purification Process<\/title>\n<meta name=\"description\" content=\"The Primary Aluminium Production and Purification Process is important for aluminum products. 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