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Pirometalurgia do ouro
Paperback
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ISBN10: 6208251923
ISBN13: 9786208251925
Publisher: Edicoes Nosso Conhecimento
Published: Oct 29 2024
Pages: 64
Weight: 0.23
Height: 0.15 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786208251925
Publisher: Edicoes Nosso Conhecimento
Published: Oct 29 2024
Pages: 64
Weight: 0.23
Height: 0.15 Width: 6.00 Depth: 9.00
Language: Portuguese
A pirometalurgia do ouro é um processo metalúrgico que utiliza o calor para extrair ouro de minérios aurÃferos. Este processo envolve a aplicação de temperaturas elevadas para fundir e separar o ouro de outros minerais presentes no minério.O processo de pirometalurgia do ouro começa com a trituração e esmagamento do minério aurÃfero para libertar o ouro e, em seguida, a cianetação. De seguida, é aplicado um processo de fundição num forno a temperaturas elevadas, normalmente entre 1000 C e 1200 C, para fundir o ouro e outros minerais.Durante a fundição, o ouro é separado dos minerais de ganga e concentrado sob a forma de uma liga denominada doré.A pirometalurgia do ouro é um processo eficiente e económico para a extração de ouro em grande escala. No entanto, exige um controlo cuidadoso das condições do processo para evitar a perda de ouro e minimizar os impactos ambientais.Este texto aborda os fundamentos básicos do processo de fundição e as fases presentes no processo, bem como as caraterÃsticas mais importantes para obter um bom ouro.
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