{"id":6898,"date":"2019-08-22T16:36:08","date_gmt":"2019-08-22T08:36:08","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=solutions&p=6898"},"modified":"2019-09-25T15:41:53","modified_gmt":"2019-09-25T07:41:53","slug":"processamento-de-berilio","status":"publish","type":"solutions","link":"https:\/\/www.jxscmachine.com\/pt\/solutions\/beryllium-processing\/","title":{"rendered":"Ber\u00edlio"},"content":{"rendered":"
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\"Ber\u00edlio\"<\/div>\n\t\t<\/figure>\n\t<\/div>\n
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Tipo<\/strong>
\nElemento (Minerais\/res\u00edduos de)<\/p>\n

Classifica\u00e7\u00e3o de minerais<\/strong>
\nSilicato<\/p>\n

F\u00f3rmula qu\u00edmica<\/strong>
\nBe4Si2O7(OH)2 (bertrandite), Be3Al2(SiO3)6 (berilo)<\/p>\n

Faixa<\/strong>
\nBranco<\/p>\n

Dureza de Mohs<\/strong>
\n6 - 7 (bertrandite), 7,5-8 (berilo)<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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Sistema de cristais<\/strong>
\nOrtorr\u00f4mbico (bertrandite), Hexagonal (berilo)<\/p>\n

Cor<\/strong>
\nIncolor a amarelo p\u00e1lido (bertrandite); verde, azul, amarelo, incolor, rosa e outros (berilo)<\/p>\n

Brilho<\/strong>
\nV\u00edtreo, perolado (bertrandite), V\u00edtreo, resinoso (berilo)<\/p>\n

Fratura<\/strong>
\nConchoidal<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

<\/div>

Descri\u00e7\u00e3o<\/h2><\/div><\/div>\n\t
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O ber\u00edlio (Be) \u00e9 um metal branco-prateado e muito leve. Tem um ponto de fus\u00e3o muito elevado de 2349 \u00b0F (1287 \u00b0C). Encontra-se na natureza principalmente como bertrandite, que \u00e9 extra\u00edda no Utah, ou como berilo. A combina\u00e7\u00e3o da sua leveza e do seu elevado ponto de fus\u00e3o torna-o valioso para o fabrico de ligas met\u00e1licas que s\u00e3o utilizadas em componentes electr\u00f3nicos e el\u00e9ctricos, na ind\u00fastria aeroespacial, em autom\u00f3veis, em computadores, em equipamento de perfura\u00e7\u00e3o de petr\u00f3leo e g\u00e1s e em telecomunica\u00e7\u00f5es.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Rela\u00e7\u00e3o com a explora\u00e7\u00e3o mineira<\/h2><\/div><\/div>\n\t
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O mineral mais comum que cont\u00e9m ber\u00edlio \u00e9 o berilo, que se encontra no granito e em rochas \u00edgneas especiais, derivadas do granito, conhecidas como pegmatitos. As variedades coloridas e transparentes do berilo podem ser gemas, como a esmeralda (verde), a \u00e1gua-marinha (azul-verde), o heliodoro (amarelo) e a morganite (cor-de-rosa). Algumas das mais antigas gemas conhecidas foram extra\u00eddas pelos Ass\u00edrios, Babil\u00f3nios, Hititas e Persas entre 5000 e 400 A.E.C.<\/p>\n

Para al\u00e9m do berilo, o ber\u00edlio encontra-se no mineral bertrandite, que se tornou, nos \u00faltimos anos, um importante min\u00e9rio deste elemento. A bertrandite encontra-se em certas rochas vulc\u00e2nicas derivadas do granito.<\/p>\n

O min\u00e9rio de bertrandite extra\u00eddo no Utah constitui a quase totalidade da produ\u00e7\u00e3o dos EUA, que representa cerca de 90% da oferta mundial. A China produz a maior parte do restante, a partir de min\u00e9rios de berilo. Mo\u00e7ambique e alguns outros pa\u00edses extraem pequenas quantidades de berilo. Os Estados Unidos produzem e exportam grandes quantidades de ligas e compostos de ber\u00edlio, pelo que s\u00e3o um importador l\u00edquido de min\u00e9rios, mas um exportador l\u00edquido de produtos acabados de ber\u00edlio.<\/p>\n

Pequenas quantidades de ber\u00edlio podem ser obtidas atrav\u00e9s da reciclagem de sucata contendo ber\u00edlio.<\/p>\n

Explora\u00e7\u00e3o mineira de Bertrandite:
\nAo contr\u00e1rio do berilo, em que o mineral pode ser identificado pela cor e pela estrutura cristalina, a mineraliza\u00e7\u00e3o da bertrandite n\u00e3o pode ser reconhecida a olho nu. Consequentemente, s\u00e3o realizadas avalia\u00e7\u00f5es geol\u00f3gicas e geoqu\u00edmicas numa \u00e1rea espec\u00edfica, seguidas de um programa de perfura\u00e7\u00e3o para determinar se existe um corpo de min\u00e9rio econ\u00f3mico. Depois de delinear um corpo de min\u00e9rio, a sobrecarga \u00e9 removida at\u00e9 2 m do min\u00e9rio. Na cobertura de 2 m restante, s\u00e3o constru\u00eddas bancadas de perfura\u00e7\u00e3o em centros de 7,5 m para recolher amostras do corpo de min\u00e9rio em intervalos de 0,6 m. A informa\u00e7\u00e3o obtida atrav\u00e9s da an\u00e1lise das amostras permite o desenvolvimento de sec\u00e7\u00f5es transversais e mapas de contorno. Estes mapas s\u00e3o utilizados para planear as opera\u00e7\u00f5es de extra\u00e7\u00e3o e processamento. Ap\u00f3s a prepara\u00e7\u00e3o dos mapas, o restante da sobrecarga \u00e9 removido e o min\u00e9rio \u00e9 extra\u00eddo, normalmente com um raspador auto-carreg\u00e1vel. Devido \u00e0 distribui\u00e7\u00e3o irregular do grau de min\u00e9rio no solo, o min\u00e9rio \u00e9 extra\u00eddo de \u00e1reas definidas por dados de perfura\u00e7\u00e3o e colocado numa pilha de reserva em camadas para obter uma mistura mais homog\u00e9nea. S\u00e3o ent\u00e3o efectuadas mais perfura\u00e7\u00f5es, amostragens e ensaios do min\u00e9rio armazenado para gerar um mapa que delineia a distribui\u00e7\u00e3o do grau de min\u00e9rio em toda a pilha. Com base na distribui\u00e7\u00e3o do grau, o min\u00e9rio armazenado \u00e9 transportado seletivamente para o moinho para processamento posterior.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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Utiliza\u00e7\u00f5es<\/h2><\/div><\/div>\n\t
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A maior parte do ber\u00edlio \u00e9 utilizada em ligas met\u00e1licas, que representam mais de 70% do consumo mundial. Como o ber\u00edlio \u00e9 muito leve e tem uma elevada temperatura de fus\u00e3o, \u00e9 um metal ideal para utiliza\u00e7\u00e3o na ind\u00fastria aeroespacial e de defesa, quase sempre ligado a outros metais. O metal ber\u00edlio tem tamb\u00e9m a interessante carater\u00edstica de ser el\u00e1stico. Por conseguinte, \u00e9 utilizado no fabrico de molas, engrenagens e outros componentes de m\u00e1quinas que necessitam de um certo grau de elasticidade. Uma outra aplica\u00e7\u00e3o quotidiana \u00e9 o fabrico de bombas de gasolina, porque uma liga de cobre e ber\u00edlio (bronze de ber\u00edlio) n\u00e3o produz fa\u00edscas quando choca com outros metais, nem emite fa\u00edscas de eletricidade est\u00e1tica.<\/p>\n

As varetas feitas de metal e \u00f3xido de ber\u00edlio s\u00e3o utilizadas para controlar reac\u00e7\u00f5es nucleares porque o ber\u00edlio absorve os neutr\u00f5es melhor do que qualquer outro metal.<\/p>\n

A maioria dos organismos n\u00e3o depende do ber\u00edlio para crescer. De facto, as poeiras e os fumos de ber\u00edlio podem ser perigosos para a sa\u00fade humana quando inalados. Consequentemente, o Clean Air Act exige um manuseamento muito cuidadoso das poeiras e fumos de ber\u00edlio para minimizar ou eliminar o seu perigo para os seres humanos.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

<\/div>

Casos relacionados<\/h2><\/div><\/div><\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"Tipo Elemento (Minerais\/res\u00edduos de) Classifica\u00e7\u00e3o do mineral Silicato F\u00f3rmula qu\u00edmica Be4Si2O7(OH)2 (bertrandite), Be3Al2(SiO3)6 (berilo) Raias Branco Dureza de Mohs 6 - 7 (bertrandite), 7.5-8 (berilo) Sistema cristalino Ortorr\u00f4mbico (bertrandite), Hexagonal (berilo) Cor Incolor a amarelo p\u00e1lido (bertrandite); verde, azul, amarelo, incolor, rosa e outros (berilo) Brilho V\u00edtreo, nacarado (bertrandite), V\u00edtreo, resinoso (berilo) Fratura Conchoidal Descri\u00e7\u00e3o Ber\u00edlio (Be) ... Continuar a ler Ber\u00edlio<\/span><\/a>","protected":false},"author":1,"featured_media":6935,"parent":0,"menu_order":73,"comment_status":"open","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-6898","solutions","type-solutions","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nBeryllium Processing | Equipment, Flow, Cases - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Beryllium processing description from its geology mineral property to how to extract mineral from rock and placer deposit, related processing plant flow chart and layout design.\" \/>\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.jxscmachine.com\/pt\/solucoes\/processamento-de-berilio\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Beryllium Processing | Equipment, Flow, Cases - 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