{"id":20021,"date":"2022-11-22T15:05:43","date_gmt":"2022-11-22T07:05:43","guid":{"rendered":"https:\/\/www.jxscmachine.com\/?post_type=new&p=20021"},"modified":"2026-08-05T09:59:28","modified_gmt":"2026-08-05T01:59:28","slug":"flotacao-de-oxido-de-cobre-sulfureto-de-cobre-8-processos-9-equipamento","status":"publish","type":"new","link":"https:\/\/www.jxscmachine.com\/pt\/new\/copper-oxide-copper-sulfide-flotation-8-processes-9-equipment\/","title":{"rendered":"Flota\u00e7\u00e3o de \u00d3xido de Cobre e Sulfureto de Cobre: 8 Processos e 9 Equipamentos"},"content":{"rendered":"
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Most copper ores found in nature do not exist as single mineral species but rather as symbiotic mixtures of copper sulfides and copper oxides<\/strong>; this makes the beneficiation of copper ore<\/a> a subject that is both classic and complex within the field of mineral processing. Common copper oxide minerals possess distinct physicochemical properties:<\/strong> malachite (CuCO\u2083\u00b7Cu(OH)\u2082)<\/strong><\/em> has a copper content of 57.4%, a density of 4 g\/cm\u00b3, and a hardness of 4; azurite (2CuCO\u2083\u00b7Cu(OH)\u2082)<\/em><\/strong> has a copper content of 55.2%, a density of 4 g\/cm\u00b3, and a hardness of 4; chrysocolla (CuSiO\u2083\u00b72H\u2082O)<\/strong><\/em> has a copper content of 36.2%, a density of 2\u20132.2 g\/cm\u00b3, and a hardness of 2\u20134; and cuprite (Cu\u2082O)<\/strong><\/em> has a copper content of 88.8%, a density of 5.8\u20136.2 g\/cm\u00b3, and a hardness of 3.5\u20134. These diverse copper oxide minerals exhibit vastly different natural hydrophilic characteristics; when combined with copper sulfide minerals\u2014which also vary in floatability\u2014these differences dictate the varying levels of difficulty in separation. Flota\u00e7\u00e3o<\/strong> currently stands as the primary separation method for copper oxide ores, categorized into two main approaches\u2014direct flotation and sulfidization flotation<\/strong><\/em>\u2014based on ore properties. Copper sulfide ores are further classified into mono-metallic and polymetallic types; the former involves relatively simple flotation processes, whereas the latter requires more complex flow-sheet designs due to the presence of associated valuable metals. Mineral processing plants<\/a> rely on tailored flotation processes to efficiently concentrate copper minerals from raw ore, significantly upgrading the copper concentrate grade and providing suitable feedstock for subsequent copper smelting. Specialized equipment for various stages of the flotation process provides the essential support for implementing these techniques; in the following sections, we will systematically outline eight core flotation processes suited to different types of copper ore, as well as nine key pieces of equipment commonly used throughout the entire process.<\/strong><\/div>\n\n\t\t<\/div>\n\t<\/div>\n

8 Core Flotation Processes<\/h2>\n\t
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1. Direct flotation process for simple copper sulfide ores:<\/strong> Leverages the difference in floatability between copper minerals and gangue; features a simple, easy-to-operate flowsheet.<\/div>\n
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2. Differential flotation process for polymetallic copper sulfide ores:<\/strong> Separates minerals in stages based on their flotation rates; reduces reagent consumption and eliminates interference from residual reagents.<\/div>\n
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3. Ore washing\u2013grinding\u2013copper flotation\u2013iron magnetic\/gravity separation process:<\/strong> Involves desliming followed by copper flotation, then iron recovery via magnetic and gravity separation; suitable for high-iron copper oxide ores.<\/div>\n
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4. Grinding\u2013desliming\u2013copper flotation process:<\/strong> Removes high-copper slimes beforehand to minimize interference with flotation and improve copper concentrate grade.<\/div>\n
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5. Direct sulfidization-flotation process for copper oxides:<\/strong> Uses staged addition of sodium sulfide to activate copper oxides, combined with xanthate collectors; suitable for minerals such as malachite and azurite.<\/div>\n
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6. Hydrothermal sulfidization-flotation process:<\/strong> Intensifies the sulfidization reaction under high temperature and pressure to form artificial copper sulfide; overcomes slime interference and achieves high recovery rates.<\/div>\n
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7. Amine collector flotation process:<\/strong> Uses cationic collectors to process minerals like azurite and atacamite; suitable for certain refractory copper oxide ores.<\/div>\n
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8. Chelating agent\u2013neutral oil flotation process:<\/strong> Highly selective for refractory minerals like chrysocolla; significantly reduces sodium sulfide consumption.<\/div>\n\n\t\t<\/div>\n\t<\/div>\n

9 Types of Equipment<\/h2>

1. Alimenta\u00e7\u00e3o - alimentador vibrat\u00f3rio<\/h3>\n\t
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A alimentador vibrat\u00f3rio<\/a> \u00e9 um equipamento de alimenta\u00e7\u00e3o amplamente utilizado na metalurgia, minera\u00e7\u00e3o de carv\u00e3o, processamento mineral, materiais de constru\u00e7\u00e3o e outras ind\u00fastrias. Ele pode alimentar min\u00e9rio de cobre maci\u00e7o uniformemente e continuamente para equipamentos de tritura\u00e7\u00e3o subsequentes, e o material \u00e9 pr\u00e9-selecionado primeiro.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"alimentadores<\/div>\n\t\t<\/figure>\n\t<\/div>\n

2. Coarse Crushing - Jaw Crusher<\/h3>\n\t
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Britadeiras de maxilas<\/a> s\u00e3o usados principalmente para tritura\u00e7\u00e3o grosseira em plantas de areia e cascalho, metalurgia, minera\u00e7\u00e3o, qu\u00edmica e outras ind\u00fastrias. O tamanho da part\u00edcula de entrada pode chegar a 1500mm, o tamanho da part\u00edcula de sa\u00edda pode ser 10-350mm, e o material pode ser processado at\u00e9 2200 toneladas por hora. A resist\u00eancia \u00e0 compress\u00e3o pode chegar a 320MPa.<\/p>\n

Os grandes peda\u00e7os de min\u00e9rio de cobre devem ser primeiro triturados em pedras mais pequenas com um triturador de maxilas para atingir o tamanho de alimenta\u00e7a<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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\"triturador<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div>
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\"trituradores<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

3. Britagem m\u00e9dia - Triturador de cone<\/h3>\n\t
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O triturador de cone<\/a> \u00e9 utilizado principalmente para a tritura\u00e7\u00e3o m\u00e9dia e fina de min\u00e9rios com dureza m\u00e9dia ou acima da m\u00e9dia e pode processar 12-1000 toneladas de materiais por hora.<\/p>\n

A dureza do min\u00e9rio de cobre \u00e9 relativamente alta, o que \u00e9 adequado para ser triturado com um triturador de cone. Depois de ser processado por um triturador de cone, o produto acabado com um tamanho de 3-60mm \u00e9 produzido.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

4. Screening - Circular Vibrating Screen<\/h3>
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<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div>
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A fun\u00e7\u00e3o do ecr\u00e3 vibrat\u00f3rio<\/a> consiste em selecionar os materiais que satisfazem a dimens\u00e3o das part\u00edculas do processo seguinte. Ao mesmo tempo, recolher os materiais n\u00e3o qualificados e envi\u00e1-los para o equipamento de tritura\u00e7\u00e3o para serem novamente triturados at\u00e9 que o tamanho das part\u00edculas seja qualificado.<\/p>\n

Por exemplo, o tamanho da part\u00edcula de descarga do triturador de cone \u00e9 3-60mm. No processo de moagem seguinte, o tamanho das part\u00edculas de alimenta\u00e7\u00e3o do moinho de bolas deve ser inferior a 20-25 mm, pelo que um crivo vibrat\u00f3rio pode separar os materiais com diferentes tamanhos de part\u00edculas. Colocar os materiais com menos de 20 mm no moinho de bolas e enviar os materiais com 20 mm ou mais de volta para o triturador de cone para serem triturados novamente.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

5. Grinding - Ball Mill<\/h3>
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A fun\u00e7\u00e3o do moinho de bolas<\/a> consiste em triturar ainda mais o material em part\u00edculas finas de 0-200 mesh para satisfazer as condi\u00e7\u00f5es para a fase seguinte da flota\u00e7\u00e3o.<\/p>\n

O tamanho da part\u00edcula de alimenta\u00e7\u00e3o do moinho de bolas \u00e9 inferior a 20-25mm, o tamanho da part\u00edcula de descarga \u00e9 0.074-0.89mm, e pode produzir 0.65-615 toneladas de materiais por hora. Est\u00e1 na moda em cimento, produtos de silicato, novos materiais de constru\u00e7\u00e3o e materiais refrat\u00e1rios.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div>

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<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

6. Classifica\u00e7\u00e3o - Classificador<\/h3>\n\t
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O classificador<\/a> \u00e9 um equipamento especial para classifica\u00e7\u00e3o de tamanho de part\u00edculas da polpa de min\u00e9rio no processo de beneficiamento de metais. O comprimento do tanque de \u00e1gua \u00e9 de 3000-14300mm, e o di\u00e2metro da espiral \u00e9 de 300-3000mm. Utiliza principalmente a gravidade espec\u00edfica diferente das part\u00edculas de min\u00e9rio de cobre, part\u00edculas de ganga associadas e a velocidade de sedimenta\u00e7\u00e3o diferente no l\u00edquido para as classificar.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"Lavador<\/div>\n\t\t<\/figure>\n\t<\/div>\n

7. Beneficiation - Mixing Tank<\/h3>\n\t
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The role of the tanque de mistura<\/a> \u00e9 agitar a polpa para que o produto qu\u00edmico e a polpa sejam misturados uniformemente e o tempo de rea\u00e7\u00e3o do produto qu\u00edmico seja acelerado.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

8. Beneficiation - Flotation Machine<\/h3>\n\t
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O processo de flota\u00e7\u00e3o necessita de adicionar agentes de flota\u00e7\u00e3o \u00e0 polpa para que as part\u00edculas de min\u00e9rio valiosas possam aderir melhor \u00e0s bolhas de ar geradas pelo processo de flota\u00e7\u00e3o. m\u00e1quina de flota\u00e7\u00e3o<\/a>, float to the surface of the pulp, and be collected.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n

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\"m\u00e1quina<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div>
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\"tanque<\/div>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div>

9. Drying - Dryer<\/h3>\n\t
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O concentrado de cobre recolhido por flota\u00e7\u00e3o tem um teor de \u00e1gua relativamente elevado e n\u00e3o pode satisfazer as normas de utiliza\u00e7\u00e3o, pelo que deve ser submetido a um processo de desidrata\u00e7\u00e3o.<\/p>\n

O secador<\/a> \u00e9 um equipamento de secagem especialmente utilizado em minera\u00e7\u00e3o, processamento mineral, qu\u00edmica e outras ind\u00fastrias. Ele pode processar 1,9-76 toneladas de materiais por hora. Al\u00e9m do concentrado de cobre, tamb\u00e9m podemos us\u00e1-lo para secar muitos outros minerais met\u00e1licos e n\u00e3o-met\u00e1licos.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t

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\"Secador<\/div>\n\t\t<\/figure>\n\t<\/div>\n\n\t
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Ranging from easily processed simple copper sulfide ores to refractory chrysocolla-type oxidized copper ores, a suite of eight flotation processes creates<\/strong> a comprehensive technical framework capable of handling diverse ore characteristics; this system retains the proven advantages of traditional sulfide flotation while overcoming recovery bottlenecks for refractory oxidized ores through innovative methods such as hydrothermal sulfidization and chelation-assisted flotation. Complementing these processes are nine types of core equipment<\/strong>-covering stages from feeding, crushing, and grinding to flotation and drying<\/strong><\/em>\u2014that provide the necessary hardware infrastructure to ensure the stable implementation of process parameters. Given the current industry context of high copper prices, processing plants must scientifically match specific flotation processes and equipment configurations to the unique characteristics of their ore\u2014such as oxidation rate, mineral dissemination size, and associated components\u2014to maximize copper concentrate recovery and grade while controlling production costs, thereby achieving the efficient utilization of low-grade, refractory copper resources.<\/div>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

O min\u00e9rio de cobre cont\u00e9m geralmente uma mistura de sulfureto de cobre e \u00f3xido de cobre. Os concentradores normalmente usam a flota\u00e7\u00e3o para melhorar o grau do min\u00e9rio para que possam fundir o cobre puro mais tarde. <\/p>","protected":false},"author":1,"featured_media":16587,"parent":0,"menu_order":169,"comment_status":"closed","ping_status":"open","template":"","format":"standard","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[],"tags":[],"class_list":["post-20021","new","type-new","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nCopper Oxide & Copper Sulfide Flotation: 8 Processes & 9 Equipment - JXSC Machine<\/title>\n<meta name=\"description\" content=\"Copper sulfide and copper oxide are typically processed using flotation. 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