{"id":808,"date":"2020-04-10T09:23:08","date_gmt":"2020-04-10T09:23:08","guid":{"rendered":"http:\/\/alalloycasting.com\/?p=808"},"modified":"2020-08-26T05:56:41","modified_gmt":"2020-08-26T05:56:41","slug":"aluminium-dross-recycling","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminium-dross-recycling\/","title":{"rendered":"Reciclagem de esc\u00f3ria de alum\u00ednio"},"content":{"rendered":"

A reciclagem de esc\u00f3ria de alum\u00ednio tem certo valor econ\u00f4mico. A ind\u00fastria mundial de alum\u00ednio produz cerca de cinco milh\u00f5es de toneladas de res\u00edduos de fornalha por ano. Conhecida como esc\u00f3ria, a esc\u00f3ria de alum\u00ednio \u00e9 produzida nos processos de fus\u00e3o do alum\u00ednio. A fluxo de desescoria\u00e7\u00e3o<\/a> tem a fun\u00e7\u00e3o de remover a esc\u00f3ria do metal fundido em alta temperatura. Como a esc\u00f3ria de sucata de alum\u00ednio cont\u00e9m diversos \u00f3xidos met\u00e1licos, ela pode ser utilizada para extrair metais.<\/p>\n

A esc\u00f3ria de alum\u00ednio residual cont\u00e9m v\u00e1rios \u00f3xidos met\u00e1licos. Em contato com a \u00e1gua, ocorre uma rea\u00e7\u00e3o qu\u00edmica que produz um g\u00e1s t\u00f3xico, nocivo e irritante, a \u201cam\u00f4nia\u201d. O g\u00e1s n\u00e3o apenas irrita o trato respirat\u00f3rio humano, mas tamb\u00e9m polui o meio ambiente ao redor. Ele pode at\u00e9 mesmo explodir durante o transporte.<\/p>\n

As esc\u00f3rias de alum\u00ednio n\u00e3o podem ser depositadas em aterros sanit\u00e1rios. Isso porque as mol\u00e9culas podem se difundir para a camada de \u00e1guas subterr\u00e2neas. Esgoto ou res\u00edduos s\u00f3lidos que contenham alum\u00ednio podem causar polui\u00e7\u00e3o da \u00e1gua e do solo. A polui\u00e7\u00e3o por alum\u00ednio pode causar danos a animais e plantas, podendo at\u00e9 mesmo torn\u00e1-los incapazes de sobreviver.<\/p>\n

\"Reciclagem<\/p>\n

Reciclagem de esc\u00f3ria de alum\u00ednio<\/h2>\n

A esc\u00f3ria de alum\u00ednio \u00e9 produzida durante a fundi\u00e7\u00e3o do alum\u00ednio, assim como algumas esc\u00f3rias de metais misturados com impurezas; no entanto, ainda cont\u00e9m uma certa quantidade de alum\u00ednio, que pode ser refinada por meio de separa\u00e7\u00e3o.<\/p>\n

A tecnologia de reciclagem de esc\u00f3ria de alum\u00ednio foi desenvolvida no \u00e2mbito do projeto de pesquisa sobre o tratamento de res\u00edduos de esc\u00f3ria da ind\u00fastria de fundi\u00e7\u00e3o; al\u00e9m disso, foram pesquisados e desenvolvidos a tecnologia e os equipamentos para o tratamento de cinzas de alum\u00ednio, tendo sido implementado um sistema maduro de tratamento dessas cinzas. As cinzas de alum\u00ednio processadas pelo separador de cinzas de alum\u00ednio e as cinzas de alum\u00ednio frias que n\u00e3o foram separadas podem ser trituradas, peneiradas e fundidas. At\u00e9 serem moldadas em lingotes de alum\u00ednio acabados, as cinzas de alum\u00ednio s\u00e3o tratadas de forma bastante limpa.<\/p>\n

A pesquisa sobre cinzas de alum\u00ednio concentra-se principalmente em pa\u00edses desenvolvidos, como a Europa, os Estados Unidos e o Jap\u00e3o. Na Europa, ela se concentra na It\u00e1lia e na Espanha; nos Estados Unidos, no Laborat\u00f3rio Nacional de Argonne (ANL) e na Yanboda Technology Co., Ltd.; enquanto a pesquisa das empresas japonesas do setor se reflete principalmente na AD Fans. A empresa representativa na pesquisa e industrializa\u00e7\u00e3o de cinzas de alum\u00ednio para o processamento de alum\u00ednio secund\u00e1rio \u00e9 a italiana Anchitech Technology Co., Ltd., que desenvolveu um sistema de reciclagem para cinzas de alum\u00ednio secund\u00e1rio j\u00e1 h\u00e1 40 anos. Al\u00e9m disso, v\u00e1rias f\u00e1bricas foram constru\u00eddas na Europa.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminum dross recycling has certain economic value. The worldwide aluminium industry produces nearly five million tonnes of furnace waste each year. Known as dross, aluminum…<\/p>","protected":false},"author":1,"featured_media":4188,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[155],"class_list":["post-808","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminum-dross-recycling"],"yoast_head":"\nAluminum Dross Recycling in Aluminum Casting Furnace<\/title>\n<meta name=\"description\" content=\"Aluminum dross recycling has certain economic value. 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