{"id":6524,"date":"2020-11-18T03:32:20","date_gmt":"2020-11-18T03:32:20","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6524"},"modified":"2020-11-18T03:32:20","modified_gmt":"2020-11-18T03:32:20","slug":"porous-ceramics-application","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/porous-ceramics-application\/","title":{"rendered":"Cer\u00e1micas porosas"},"content":{"rendered":"<p>Con los avances en el proceso de fabricaci\u00f3n, la cer\u00e1mica ha adquirido formas cada vez m\u00e1s innovadoras, como las estructuras porosas. Debido al gran n\u00famero de poros interconectados o cerrados que presentan las cer\u00e1micas porosas, estas presentan caracter\u00edsticas como una baja densidad volum\u00e9trica, una elevada superficie espec\u00edfica y una baja conductividad t\u00e9rmica. En los \u00faltimos a\u00f1os, la aplicaci\u00f3n de la cer\u00e1mica porosa ha destacado en los \u00e1mbitos de la protecci\u00f3n del medio ambiente, la fundici\u00f3n, la industria qu\u00edmica y otros campos.<\/p>\n<p><strong>Aplicaciones de la cer\u00e1mica porosa<\/strong><\/p>\n<p>La elevada superficie espec\u00edfica de la cer\u00e1mica porosa le confiere una buena capacidad de adsorci\u00f3n y actividad. Como soporte catal\u00edtico, puede aumentar la superficie de contacto efectiva y mejorar el efecto catal\u00edtico. Al mismo tiempo, gracias a su excelente resistencia a los choques t\u00e9rmicos y a la corrosi\u00f3n, puede utilizarse en entornos extremadamente hostiles.<\/p>\n<p>Un soporte catal\u00edtico excelente no solo debe tener propiedades qu\u00edmicas estables y ser capaz de resistir la corrosi\u00f3n de \u00e1cidos, \u00e1lcalis y otros disolventes org\u00e1nicos, sino que tambi\u00e9n debe soportar grandes variaciones de temperatura durante el proceso de producci\u00f3n sin formar escorias; lo m\u00e1s importante es que la superficie espec\u00edfica sea lo suficientemente grande. La densidad debe ser lo m\u00e1s baja posible para reducir el peso. Si el gas puede formar pulsos al pasar, el efecto catal\u00edtico ser\u00e1 mejor.<\/p>\n<p><strong>Filtraci\u00f3n y separaci\u00f3n<\/strong><\/p>\n<p>La denominada \u00abseparaci\u00f3n por filtraci\u00f3n\u00bb consiste en la separaci\u00f3n de part\u00edculas s\u00f3lidas suspendidas en un l\u00edquido o un gas, o de dos l\u00edquidos inmiscibles.<\/p>\n<p>El <a href=\"http:\/\/www.alalloycasting.com\/es\/porous-ceramic-filter\/\">filtro cer\u00e1mico poroso<\/a> Este dispositivo se caracteriza por su amplia superficie de filtrado y su elevada eficiencia de filtrado. Gracias a su resistencia a las altas temperaturas, a la abrasi\u00f3n y a la corrosi\u00f3n, adem\u00e1s de utilizarse en aplicaciones convencionales como el tratamiento de aguas y la filtraci\u00f3n de gases, se emplea en algunos \u00e1mbitos que requieren altas temperaturas. Tambi\u00e9n puede utilizarse, por ejemplo, en la filtraci\u00f3n de metal fundido.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6526\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/11\/Porous-Ceramics-1.jpg\" alt=\"Cer\u00e1micas porosas\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Porous-Ceramics-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/11\/Porous-Ceramics-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Hoy en d\u00eda, con el aumento de los requisitos de calidad de los productos de aluminio, la aplicaci\u00f3n de <a href=\"http:\/\/www.alalloycasting.com\/es\/ceramic-foam-filter-pal\/\">filtro de espuma cer\u00e1mica<\/a> Tambi\u00e9n se ha promovido el uso de placas. La porosidad de la placa filtrante cer\u00e1mica se sit\u00faa entre 80% y 90%, lo que permite eliminar eficazmente las inclusiones finas de tama\u00f1o microm\u00e9trico presentes en el aluminio fundido, algo que el proceso convencional no consigue. Al mismo tiempo, al filtrarse las inclusiones finas, se reduce el n\u00famero efectivo de n\u00facleos cristalinos en el aluminio fundido. De este modo, el aluminio l\u00edquido se nuclea y crece en condiciones de sobreenfriamiento relativamente elevadas, lo que acorta el tiempo de solidificaci\u00f3n y refina la estructura. Adem\u00e1s, mediante adsorci\u00f3n, la placa filtrante cer\u00e1mica tambi\u00e9n puede eliminar los elementos nocivos (Na, K) presentes en el aluminio l\u00edquido. Al filtrar la aleaci\u00f3n de aluminio, la placa filtrante se calienta y se expande instant\u00e1neamente, por lo que es necesario que tenga un coeficiente de expansi\u00f3n t\u00e9rmica reducido para garantizar que no se agriete al calentarse.<\/p>","protected":false},"excerpt":{"rendered":"<p>With the advancement of the preparation process, ceramics have acquired more novel forms, such as porous structures. Due to the large number of interconnected or&hellip;<\/p>","protected":false},"author":1,"featured_media":6525,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6524","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Porous Ceramics Application | Porous Ceramic Filter<\/title>\n<meta name=\"description\" content=\"Due to the large number of interconnected or closed pores in porous ceramics, it has low volume density, high specific surface area.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alalloycasting.com\/es\/porous-ceramics-application\/\" \/>\n<meta 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